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Cheap flights from Seattle to Chennai from ₹ 44,847

SEA — MAA
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Chennai

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Chennai

Sun 18/1023:18 -
2 stops28h 22m
Wed 28/1023:25 -
1 stop21h 10m
Deal found 16/9₹ 110,017
Thu 5/1118:45 -
2 stops46h 25m
Tue 24/1107:20 -
2 stops47h 10m
Deal found 14/9₹ 110,494
Wed 7/1014:02 -
2 stops37h 38m
Wed 28/1023:25 -
1 stop21h 10m
Deal found 15/9₹ 110,590
Thu 15/1010:15 -
1 stop34h 20m
Thu 22/1023:15 -
1 stop22h 00m
Deal found 15/9₹ 110,876
Tue 6/1006:39 -
3 stops29h 36m
Mon 26/1020:00 -
2 stops28h 25m
Deal found 15/9₹ 110,971
Mon 19/1023:55 -
2 stops31h 45m
Sat 14/1121:50 -
2 stops29h 20m
Deal found 16/9₹ 111,544
Wed 18/1118:45 -
2 stops30h 05m
Sat 26/1207:20 -
2 stops47h 00m
Deal found 16/9₹ 111,735
Sun 18/1023:18 -
2 stops28h 22m
Sun 15/1122:15 -
2 stops28h 11m
Deal found 15/9₹ 111,830
Thu 15/1022:15 -
2 stops29h 25m
Tue 27/1021:05 -
2 stops31h 45m
Deal found 16/9₹ 112,021
Mon 5/1023:18 -
2 stops28h 22m
Sun 25/1022:15 -
2 stops30h 41m
Deal found 16/9₹ 112,117
Mon 28/910:47 -
3 stops49h 23m
Tue 6/1021:40 -
2 stops26h 45m
Deal found 16/9₹ 112,307
Wed 18/1108:40 -
1 stop34h 35m
Thu 3/1210:00 -
1 stop34h 35m
Deal found 12/9₹ 112,403

Find flight deals from Seattle to Chennai

Round-trip from

₹ 110,017

One-way from

₹ 44,847

Popular in

December

Cheapest in

April

Average price

₹ 129,578
Singapore Airlines
  • Singapore Airlines
  • 18/10-28/10
  • 3 total stops
  • 49h 32m total
  • Seattle to Chennai
Search Deals
23/9-31/12
  • 23/9-31/12
  • 2 total stops
  • 28h 25m total
  • Seattle to Chennai
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 1,015,095 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 351,104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 22/9

23:57-20:50

2 stops32h 23m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 51,049

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 27/9

00:10-09:20

3 stops44h 40m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 59,255

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Thu 29/10

15:25-08:15

2 stops28h 20m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 65,075

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Wed 14/10

23:55-08:25

2 stops44h 00m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 68,797

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 4/12

08:40-22:10

1 stop48h 00m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 82,441

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 14/12

00:10-00:40

2 stops35h 00m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 91,888

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Wed 14/10

16:25-02:40

1 stop21h 45m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 94,846

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 7/12

15:50-02:30

1 stop21h 10m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 102,098

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 21/12

15:50-06:40

2 stops49h 20m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 107,823

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 11/1

15:50-06:40

2 stops49h 20m

Chennai

Sun 7/2

07:20-11:40

2 stops41h 50m

₹ 113,071

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Chennai

Have a flexible travel schedule? Discover the best time to fly to Chennai from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Chennai

How far ahead should I book a flight from Seattle to Chennai?

The best time to book flights from Seattle to Chennai is 6 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.

What is the cheapest month to book a flight from Seattle to Chennai?

Currently, April is the cheapest month in which you can book a flight from Seattle to Chennai (average of ₹ 102,384). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 167,936). 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.

How much does it cost for a return flight from Seattle to Chennai?

Airfare is typical for this route at the moment.

Seattle to Chennai flights typically cost between ₹ 108,968 and ₹ 137,212 in October.
The cheapest return price found within the last 5 days was ₹ 110,017 on Multiple Airlines (18 Oct–28 Oct).

Reviews of airlines servicing Chennai

Read reviews from past customers who have flown with Cathay Pacific from Seattle to Chennai. 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.
Cathay Pacific
7.6
Good
1,486 reviews
Check prices

Boarding

7.9

Crew

8.1

Food

7.3

Comfort

7.6

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Ernest,Jun 2026

SFO - HKG

As good as can be expected for economy class international flight, on time very professional crew. The plane was clean bathrooms clean, decent food, connecting flight on time, with another tasty meal. Love Cathay Pacific
Cathay Pacific
7.6
Good
1,486 reviews
Cathay Pacific
7.6
Good
1,486 reviews
Check prices

Boarding

7.9

Crew

8.1

Food

7.3

Comfort

7.6

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Ernest,Jun 2026

SFO - HKG

As good as can be expected for economy class international flight, on time very professional crew. The plane was clean bathrooms clean, decent food, connecting flight on time, with another tasty meal. Love Cathay Pacific

Related info for your journey

  • How long is the flight from Seattle to Chennai?

    Airlines like Oman Air and Qatar Airways fly from Seattle to Chennai in about 21h 55m. The time it takes to get you to your destination can typically vary by up to 3h 25m. Airlines will cover a distance of 12925 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Chennai round-trip?

    Our cheapest airline available from Seattle to Chennai is Cathay Pacific. Our recent data shows that you can find tickets from as low as ₹ 97,079 on this airline. You may be able to fly from Seattle to Chennai for 23% less than the average price by searching for this airline.

  • Can I find deals for flights from Seattle to Chennai that include hotel bookings?

    Yes. In addition to deals on Seattle to Chennai flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Chennai?

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

  • Can I find deals for business class flights from Seattle to Chennai?

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

  • What is the cheapest month to book a flight from Seattle to Chennai?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Chennai (average of ₹ 102,384). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 167,936). 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.

See more FAQs

Travelling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Vellore
Mahabalipuram

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Chennai

AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest₹ 97,079Average₹ 135,991FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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When you search for this flight from Seattle to Chennai, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Chennai.

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Certainly. Search results for flights to Chennai from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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