In terms of precipitation, rainfall in Patna ranges from 7.0 - 319.0 inches per month. July is typically the wettest month, when rainfall can reach 319.0 mm. December is typically the driest time to visit Patna when rainfall is around 7.0 mm.

If weather is an important factor for your trip to Patna, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 32.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

What is the cheapest time of day to fly from IAD to PAT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Patna as you normally would.

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

For a flight from Washington, D.C. Dulles Intl to Patna, you will be flying into Patna. Patna (PAT) is just 3.0 km from the centre vof the city. Patna is the only Patna airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Patna from Washington, D.C. Dulles Intl on a regular basis.

Can I find deals for flights from Dulles Intl to Patna that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Patna flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Patna?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Patna.

Can I find deals for business class flights from Dulles Intl to Patna?

Yes. Cheapflights offers flight deals from Dulles Intl to Patna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 51,432+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Patna

Cheap flight deals from Dulles Intl to Patna

Enter your travel dates to find the best prices.

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Cheapest flights from Dulles Intl to Patna
Explore the most affordable flight options available from Dulles Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Sat 24/1015:10 -

3 stops34h 20m

Sat 31/1011:30 -

2 stops32h 05m

Deal found 26/9₹ 120,999

Thu 29/1021:05 -

2 stops32h 35m

Wed 31/315:45 -

2 stops50h 30m

Deal found 27/9₹ 153,912

Wed 28/1021:05 -

2 stops29h 05m

Wed 31/315:45 -

2 stops33h 25m

Deal found 24/9₹ 161,876

Mon 28/922:25 -

2 stops31h 20m

Fri 2/1020:55 -

2 stops28h 30m

Deal found 27/9₹ 847,763

Find flight deals from Dulles Intl to Patna

Round-trip from	₹ 120,999
One-way from	₹ 51,432

24/10-31/10
5 total stops
66h 25m total
Washington, D.C. to Patna

Search Deals

30/10-31/12
2 total stops
41h 25m total
Washington, D.C. to Patna

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Patna that are best for you.

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Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Fri 30/10

15:35-18:30

2 stops41h 25m

Patna

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 51,432

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Sat 24/10

15:10-11:00

3 stops34h 20m

Patna

Sat 31/10

11:30-10:05

2 stops32h 05m

₹ 120,999

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Thu 29/10

21:05-15:10

2 stops32h 35m

Patna

Wed 31/3

15:45-08:45

2 stops50h 30m

₹ 153,912

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Sat 2/1

10:30-08:10

2 stops35h 10m

Patna

Sat 13/2

21:10-08:10

2 stops45h 30m

₹ 157,750

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Wed 28/10

21:05-11:40

2 stops29h 05m

Patna

Wed 31/3

15:45-15:40

2 stops33h 25m

₹ 161,876

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Sat 2/1

20:55-12:40

2 stops29h 15m

Patna

Fri 12/2

22:05-16:30

2 stops28h 55m

₹ 199,299

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Sun 3/1

18:40-12:40

2 stops31h 30m

Patna

Sun 14/2

22:05-16:30

2 stops28h 55m

₹ 234,610

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Sat 2/1

20:55-12:40

2 stops29h 15m

Patna

Sun 14/2

20:25-16:30

2 stops30h 35m

₹ 234,610

Washington, D.C.Patna

IAD Washington, D.C. Dulles Intl - PAT Patna

IADPAT

Washington, D.C. Dulles Intl

Fri 1/1

18:40-12:40

2 stops31h 30m

Patna

Sun 14/2

20:25-16:30

2 stops30h 35m

₹ 246,701

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Sorted by cheapest first

Best time to book a flight from Dulles Intl to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from Dulles Intl with our price prediction graph.

IAD-PAT

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Patna from Washington, D.C. Dulles Intl?
For a flight from Washington, D.C. Dulles Intl to Patna, you will be flying into Patna. Patna (PAT) is just 3.0 km from the centre vof the city. Patna is the only Patna airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Patna from Washington, D.C. Dulles Intl on a regular basis.
Can I find deals for flights from Dulles Intl to Patna that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Patna flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Patna?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Patna.
Can I find deals for business class flights from Dulles Intl to Patna?
Yes. Cheapflights offers flight deals from Dulles Intl to Patna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Deals for Dulles Intl to Patna flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Can Cheapflights find flights from Dulles Intl to Patna with no change fees?

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Cheap flights from Washington, D.C. Dulles Intl Airport to Patna from ₹ 51,432

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dulles Intl to Patna

Cheapest flights from Dulles Intl to PatnaExplore the most affordable flight options available from Dulles Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Explore the most affordable flight options available from Dulles Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Dulles Intl to PatnaDiscover carefully curated flight deals from Dulles Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Dulles Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Dulles Intl to PatnaDiscover last-minute flight deals from Dulles Intl to Patna. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Patna. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Dulles Intl to PatnaSearch for one-way flight options from Dulles Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Dulles Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

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Best time to book a flight from Dulles Intl to Patna

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Related info for your journey

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

Can I find deals for flights from Dulles Intl to Patna that include hotel bookings?

How can I find direct flights from Dulles Intl to Patna?

Can I find deals for business class flights from Dulles Intl to Patna?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Patna

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Direct flights to Bihar

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Dulles Intl and Patna flights

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Cheapest flights from Dulles Intl to Patna
Explore the most affordable flight options available from Dulles Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Dulles Intl to Patna
Discover carefully curated flight deals from Dulles Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Dulles Intl to Patna
Discover last-minute flight deals from Dulles Intl to Patna. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Dulles Intl to Patna
Search for one-way flight options from Dulles Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.