Cheap flights from Chennai to Washington, D.C. Dulles Intl Airport from ₹ 48,405

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MAA — IAD
29 Feb — 7 Mar1
1 adult
Thu 29/2
Thu 7/3

The best prices from Chennai to Washington, D.C. Dulles Intl are usually found in October or November, booked 44 days in advance, depart on a Wednesday or Thursday and return on a Thursday

How to find the cheapest flight from Chennai (MAA) to Dulles Intl (IAD)

Discover tips and strategies to find the most affordable flight options for your journey from Chennai (MAA) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 February 2024.

Popular in

August

Cheapest in

October

Round-trip from

₹ 6,908,498

One-way from

₹ 54,372
High demand for flights, 34% potential price rise
Best time to find cheap flights, 19% potential price drop
From Chennai to Washington, D.C. Dulles Intl
One-way flight from Chennai to Washington, D.C. Dulles Intl

What is the cheapest day to fly return from Chennai to Washington, D.C. Dulles Intl Airport?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Chennai to Washington, D.C. Dulles Intl Airport?

Find a great deal and save up to 99% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chennai to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at ₹ 123,664.

What is the cheapest month to fly from Chennai to Washington, D.C. Dulles Intl Airport?

October can be a great time to fly to Washington, D.C. Dulles Intl Airport from Chennai with a flight ticket averaging about ₹ 119,630. Cheapflights users have found deals in the month of October for as cheap as ₹ 73,850. The most expensive prices can be found in the month of August.

When is the cheapest time to fly from Chennai to Washington, D.C. Dulles Intl Airport (MAA - IAD)?

It’s optimal to fly from Chennai to Washington, D.C. Dulles Intl Airport at midday. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the afternoon.

Cheap Lufthansa flights from Chennai to Dulles Intl

Explore cheap flight options specifically provided by Lufthansa for the route between Chennai and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
Take a look at some of the lowest-priced Lufthansa flights heading from Chennai to Washington, D.C.. Come back soon if you're not finding the exact deal you're looking for.
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Mon 9/917:45IAD - MAA
2 stops20h 55mLufthansa
Deal found 23/2₹ 76,088
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Mon 9/917:45IAD - MAA
2 stops20h 55mLufthansa
Deal found 24/2₹ 76,171
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 23/2₹ 81,890
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 24/2₹ 81,973
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Sun 8/922:15IAD - MAA
2 stops26h 25mLufthansa
Deal found 23/2₹ 83,548
Tue 19/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 24/2₹ 83,714
Thu 14/320:20MAA - IAD
2 stops30h 00mLufthansa
Tue 10/915:20IAD - MAA
2 stops32h 00mLufthansa
Deal found 23/2₹ 84,625
Sun 17/301:50MAA - IAD
1 stop24h 30mLufthansa
Tue 10/922:15IAD - MAA
2 stops25h 05mLufthansa
Deal found 24/2₹ 85,288
Tue 2/401:50MAA - IAD
1 stop23h 45mLufthansa
Wed 7/817:15IAD - MAA
2 stops30h 05mLufthansa
Deal found 23/2₹ 87,941

Cheap SWISS flights from Chennai to Dulles Intl

Explore cheap flight options specifically provided by SWISS for the route between Chennai and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
Have a look at some of the cheapest available SWISS flights departing from Chennai and landing in Washington, D.C.. Make sure to examine the flight information before completing your reservation.
Wed 27/320:30MAA - IAD
2 stops30h 40mSWISS
Wed 11/920:45IAD - MAA
2 stops50h 35mSWISS
Deal found 23/2₹ 82,553
Wed 27/320:30MAA - IAD
2 stops30h 40mSWISS
Wed 11/920:45IAD - MAA
2 stops50h 35mSWISS
Deal found 24/2₹ 82,636
Wed 27/320:30MAA - IAD
2 stops30h 40mSWISS
Wed 18/920:45IAD - MAA
2 stops27h 55mSWISS
Deal found 24/2₹ 84,294
Wed 5/617:25MAA - IAD
2 stops32h 20mSWISS
Mon 4/1117:35IAD - MAA
2 stops28h 45mSWISS
Deal found 24/2₹ 89,681

Cheap Chennai to Dulles Intl flights in February & March 2024

Find cheap flight options from Chennai to Dulles Intl specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 482,906 searches. Prices were last updated on 24 February 2024.
The lowest fares we've come across on flights travelling from Chennai to Washington, D.C. in February and March 2024. Check back in a little while for more flight options.
Mon 25/302:05MAA - IAD
1 stop25h 05mMultiple Airlines
Tue 17/917:50IAD - MAA
2 stops33h 00mMultiple Airlines
Deal found 24/2₹ 80,315
Mon 18/302:05MAA - IAD
2 stops25h 06mMultiple Airlines
Thu 12/917:25IAD - MAA
2 stops35h 00mMultiple Airlines
Deal found 24/2₹ 80,398
Wed 20/301:50MAA - IAD
1 stop24h 30mMultiple Airlines
Sat 13/420:45IAD - MAA
2 stops27h 55mMultiple Airlines
Deal found 23/2₹ 80,564
Thu 14/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Thu 15/822:15IAD - MAA
2 stops24h 25mVirgin Atlantic
Deal found 23/2₹ 80,978
Thu 14/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Thu 12/922:15IAD - MAA
2 stops33h 35mVirgin Atlantic
Deal found 23/2₹ 81,227
Thu 21/301:50MAA - IAD
1 stop24h 30mMultiple Airlines
Sat 13/420:45IAD - MAA
2 stops27h 55mMultiple Airlines
Deal found 24/2₹ 81,807
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 23/2₹ 81,890
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 24/2₹ 81,973
Wed 27/307:20MAA - IAD
2 stops31h 20mMultiple Airlines
Tue 17/912:00IAD - MAA
2 stops33h 55mMultiple Airlines
Deal found 24/2₹ 82,139

Chennai to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Chennai and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
The lowest fares we've come across on flights travelling from Chennai to Washington, D.C. in February and March 2024. Check back in a little while for more flight options.
Tue 2/405:20MAA - IAD
2 stops24h 35mVirgin Atlantic
Mon 8/422:15IAD - MAA
2 stops32h 15mVirgin Atlantic
Deal found 23/2₹ 80,150
Mon 25/302:05MAA - IAD
1 stop25h 05mMultiple Airlines
Tue 17/917:50IAD - MAA
2 stops33h 00mMultiple Airlines
Deal found 24/2₹ 80,315
Mon 18/302:05MAA - IAD
2 stops25h 06mMultiple Airlines
Tue 10/917:50IAD - MAA
2 stops34h 35mMultiple Airlines
Deal found 24/2₹ 80,398
Wed 20/301:50MAA - IAD
1 stop24h 30mMultiple Airlines
Sat 13/420:45IAD - MAA
2 stops27h 55mMultiple Airlines
Deal found 23/2₹ 80,564
Thu 14/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Thu 15/822:15IAD - MAA
2 stops24h 25mVirgin Atlantic
Deal found 23/2₹ 80,978
Thu 14/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Thu 12/922:15IAD - MAA
2 stops33h 35mVirgin Atlantic
Deal found 23/2₹ 81,227
Tue 2/403:00MAA - IAD
2 stops26h 55mVirgin Atlantic
Wed 7/822:15IAD - MAA
2 stops33h 35mVirgin Atlantic
Deal found 23/2₹ 81,393
Thu 21/301:50MAA - IAD
1 stop24h 30mMultiple Airlines
Sat 13/420:45IAD - MAA
2 stops27h 55mMultiple Airlines
Deal found 24/2₹ 81,807
Mon 18/301:50MAA - IAD
1 stop24h 30mLufthansa
Wed 11/917:25IAD - MAA
1 stop21h 15mLufthansa
Deal found 23/2₹ 81,890

Chennai to Dulles Intl flights leaving soon

Find last-minute flight options from Chennai to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
Users seeking a last-minute flight from Chennai to Washington, D.C. should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 29/215:00MAA - IAD
2 stops48h 40mMultiple Airlines
Thu 21/312:00IAD - MAA
2 stops40h 00mMultiple Airlines
Deal found 23/2₹ 97,970
Mon 4/307:20MAA - IAD
2 stops32h 20mMultiple Airlines
Fri 19/720:50IAD - MAA
2 stops25h 05mMultiple Airlines
Deal found 23/2₹ 104,352
Sun 3/315:00MAA - IAD
2 stops48h 40mMultiple Airlines
Sat 16/312:00IAD - MAA
2 stops40h 25mMultiple Airlines
Deal found 22/2₹ 107,336
Sat 2/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Sat 16/323:59IAD - MAA
2 stops28h 21mVirgin Atlantic
Deal found 22/2₹ 110,154
Sun 3/315:00MAA - IAD
2 stops48h 40mMultiple Airlines
Sat 16/312:00IAD - MAA
2 stops40h 25mMultiple Airlines
Deal found 23/2₹ 110,320
Sat 2/302:40MAA - IAD
2 stops29h 00mVirgin Atlantic
Sat 16/323:59IAD - MAA
2 stops28h 21mVirgin Atlantic
Deal found 23/2₹ 111,397
Thu 29/207:20MAA - IAD
2 stops56h 20mMultiple Airlines
Wed 21/822:00IAD - MAA
1 stop19h 20mMultiple Airlines
Deal found 22/2₹ 114,298
Sun 3/315:00MAA - IAD
2 stops48h 40mMultiple Airlines
Sat 16/322:15IAD - MAA
1 stop36h 00mMultiple Airlines
Deal found 22/2₹ 115,127
Thu 29/215:00MAA - IAD
2 stops48h 40mMultiple Airlines
Sun 18/820:50IAD - MAA
1 stop20h 30mMultiple Airlines
Deal found 22/2₹ 117,116

One-way flights to Dulles Intl from Chennai

Search for one-way flight options from Chennai to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
Users travelling one-way from Chennai to Washington, D.C. can select one of these great deals. Those seeking round-trip flights from Chennai to Washington, D.C. should utilise the search form at the top of the page.
Sat 2/305:00MAA - IAD
3 stops46h 25mMultiple Airlines
Deal found 24/2₹ 48,405
Tue 21/504:10MAA - IAD
1 stop21h 55mEtihad Airways
Deal found 23/2₹ 50,228
Tue 21/517:25MAA - IAD
2 stops35h 30mLufthansa
Deal found 23/2₹ 50,394
Mon 4/323:30MAA - IAD
3 stops51h 55mMultiple Airlines
Deal found 23/2₹ 50,477
Mon 11/314:25MAA - IAD
2 stops34h 15mMultiple Airlines
Deal found 24/2₹ 50,808
Wed 8/504:10MAA - IAD
1 stop21h 55mEtihad Airways
Deal found 23/2₹ 51,554
Wed 13/315:00MAA - IAD
3 stops34h 15mMultiple Airlines
Deal found 23/2₹ 51,969
Wed 13/318:55MAA - IAD
2 stops30h 20mMultiple Airlines
Deal found 23/2₹ 52,300
Sun 24/315:00MAA - IAD
3 stops34h 15mMultiple Airlines
Deal found 23/2₹ 52,383

Find flights from Chennai to Dulles Intl within your budget

Customise your flight search to find flights from Chennai to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

₹ 74,596 - ₹ 99,047

Route

Depart

Return

Price

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Mon 18/3

1 stop24h 30m

Washington, D.C. Dulles Intl

Wed 11/9

2 stops50h 35m

₹ 74,596

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Mon 18/3

1 stop24h 30m

Washington, D.C. Dulles Intl

Thu 12/9

2 stops50h 35m

₹ 75,094

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Thu 21/3

2 stops29h 00m

Washington, D.C. Dulles Intl

Sat 13/4

2 stops24h 25m

₹ 75,840

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Mon 18/3

1 stop24h 30m

Washington, D.C. Dulles Intl

Mon 9/9

2 stops20h 55m

₹ 76,088

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Mon 18/3

1 stop24h 30m

Washington, D.C. Dulles Intl

Mon 9/9

2 stops20h 55m

₹ 76,171

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Wed 27/3

2 stops30h 40m

Washington, D.C. Dulles Intl

Wed 11/9

2 stops50h 35m

₹ 82,553

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Sat 11/5

1 stop39h 50m

Washington, D.C. Dulles Intl

Sat 21/9

1 stop19h 20m

₹ 87,775

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Wed 20/3

2 stops31h 30m

Washington, D.C. Dulles Intl

Thu 12/9

2 stops29h 55m

₹ 96,312

ChennaiWashington, D.C. Dulles Intl

MAA - IAD

MAAIAD

Chennai

Thu 14/3

1 stop22h 40m

Washington, D.C. Dulles Intl

Wed 28/8

1 stop19h 15m

₹ 99,047

Flights are sorted by cheapest first

Deals found on 24/2

When is the best time to book a flight from Chennai to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Chennai to Dulles Intl. Price data was last updated on 28 January 2024.
The best time to book flights from Chennai to Washington, D.C. Dulles Intl Airport is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Chennai to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Chennai to Dulles Intl. Price data was last updated on 18 February 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Chennai to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Dulles Intl by month

Plan your trip from Chennai to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Chennai to Dulles Intl is currently ₹ 50,947 while a return flight costs ₹ 82,609. Price data was last updated on 18 February 2024.

Currently, February is the cheapest month in which you can book a flight from Chennai to Washington, D.C. Dulles Intl Airport (average of ₹ 1,087). Flying from Chennai to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of ₹ 1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

₹ 101,617

February

₹ 90,096

March

₹ 104,766

April

₹ 109,325

May

₹ 107,253

June

₹ 105,844

July

₹ 110,485

August

₹ 127,974

September

₹ 95,649

October

₹ 92,914

November

₹ 95,235

December

₹ 99,710

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 24 February 2024.
Get a feel of what it's like to fly with Lufthansa, SWISS and Etihad Airways from Chennai to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

8.2
Very Good
4,329 reviews
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

7.9
Good
2,261 reviews
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

7.8
Good
1,768 reviews
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

7.8
Good
4,664 reviews
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

7.7
Good
770 reviews
8.2
Very Good
4,329 reviews

Boarding

8.2

Comfort

8.1

Crew

8.4

Entertainment

8.3

Overall

8.2

Food

7.9

Reviews

1 / 10

The staff was super awesome and responsive! One of the best flights we have been on, ever.

Related info for your journey

Find useful and relevant information for your journey from Chennai to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Chennai to Washington, D.C. Dulles Intl?

For a flight from Chennai to Washington, D.C. Dulles Intl, you will be flying from Chennai. Chennai (MAA) is just 16.5 km from the centre of the city. Chennai is the only Chennai airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 9 airlines have flights to Washington, D.C. Dulles Intl from Chennai on a regular basis.

Can I find flights from Chennai to Washington, D.C. Dulles Intl Airport for under ₹ 74,600 on Cheapflights?

Yes, there are multiple flights from Chennai to Washington, D.C. Dulles Intl Airport for under ₹ 74,600. The cheapest flight booked recently is on Multiple Airlines for just ₹ 74,596, but on average you can expect to pay ₹ 78,243.

Are there last-minute flights available from Chennai to Washington, D.C. Dulles Intl Airport for under ₹ 98,000?

There are currently 20+ open flights from Chennai to Washington, D.C. Dulles Intl Airport within the next 7 days for less than ₹ 98,000.

What are the cheapest airlines flying from Chennai to Washington, D.C. Dulles Intl Airport round-trip?

Flying on Virgin Atlantic is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at ₹ 75,840. Additional round-trip tickets that might be worth considering are offered by Lufthansa and SWISS, with the lowest prices starting at ₹ 76,088 and ₹ 82,553, respectively. Users have found that Virgin Atlantic is 33% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Chennai to Washington, D.C. Dulles Intl Airport?

What does MAA to IAD mean?

Great question - MAA to IAD just means Chennai Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chennai to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Chennai to Dulles Intl

Discover the top 9 airlines that operate flights from Chennai to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 482,906 searches. Data last updated 24 February 2024.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 24,932Average₹ 105,041FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
LufthansaCheapest₹ 78,045Average₹ 119,823FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest₹ 78,202Average₹ 93,012FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Qatar AirwaysCheapest₹ 84,393Average₹ 103,410FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest₹ 87,516Average₹ 113,810FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
British AirwaysCheapest₹ 97,449Average₹ 107,502FlexibilityNo cancel feeOn-time70%
Search Britis