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Cheap flights from Seattle to Chennai from C$ 755

SEA — MAA
28 Oct — 4 Nov1
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

Tue 29/910:59 a.m. -
2 stops27h 41m
Thu 15/104:05 a.m. -
2 stops31h 07m
Deal found 25/9C$ 1,684
Mon 28/911:57 p.m. -
2 stops32h 23m
Tue 6/104:05 a.m. -
2 stops33h 01m
Deal found 24/9C$ 1,697
Fri 2/106:15 a.m. -
2 stops32h 25m
Sun 25/109:50 p.m. -
2 stops28h 57m
Deal found 25/9C$ 1,708
Wed 21/101:45 p.m. -
2 stops27h 50m
Tue 10/119:30 p.m. -
2 stops31h 14m
Deal found 23/9C$ 1,745
Mon 28/91:50 p.m. -
2 stops29h 55m
Wed 14/108:15 p.m. -
2 stops28h 07m
Deal found 25/9C$ 1,748
Mon 19/101:45 p.m. -
2 stops30h 00m
Thu 29/1011:15 p.m. -
2 stops29h 29m
Deal found 25/9C$ 1,749
Wed 21/101:45 p.m. -
2 stops30h 00m
Tue 10/117:40 p.m. -
2 stops29h 37m
Deal found 24/9C$ 1,753
Sun 8/112:35 p.m. -
2 stops29h 55m
Mon 16/117:45 p.m. -
2 stops29h 32m
Deal found 24/9C$ 1,777
Mon 9/112:35 p.m. -
2 stops28h 10m
Sat 14/118:45 p.m. -
2 stops31h 59m
Deal found 24/9C$ 1,827
Mon 28/123:50 p.m. -
2 stops33h 00m
Tue 26/17:20 a.m. -
2 stops65h 50m
Deal found 24/9C$ 1,876
Sat 26/911:42 p.m. -
2 stops44h 13m
Mon 12/103:40 p.m. -
2 stops41h 38m
Deal found 25/9C$ 1,881
Tue 17/1112:10 a.m. -
2 stops34h 21m
Wed 2/126:55 a.m. -
2 stops48h 45m
Deal found 24/9C$ 1,889

Find flight deals from Seattle to Chennai

Round-trip from

C$ 1,678

One-way from

C$ 755

Popular in

December

Cheapest in

April

Average price

C$ 1,915
Oman Air
  • Oman Air
  • 1/1-27/1
  • 4 total stops
  • 91h 10m total
  • Seattle to Chennai
Search Deals
9/11-31/12
  • 9/11-31/12
  • 2 total stops
  • 31h 30m total
  • Seattle to Chennai
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 77 potential savings vs. average RT 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 round-trip

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 11/12

7:05 p.m.-10:35 a.m.

2 stops26h 00m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,210

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sat 7/11

8:40 a.m.-8:45 a.m.

1 stop34h 35m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,307

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 9/11

7:35 p.m.-3:35 p.m.

3 stops30h 30m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,400
Quickest round-trip

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Wed 4/11

3:50 p.m.-2:15 a.m.

1 stop20h 55m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,420

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 5/10

4:25 p.m.-2:40 a.m.

1 stop21h 45m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,420

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 4/10

4:25 p.m.-2:50 a.m.

1 stop21h 55m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,420

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sat 5/12

3:50 p.m.-2:15 a.m.

1 stop20h 55m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,584

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 21/12

3:50 p.m.-6:40 a.m.

2 stops49h 20m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,598

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 23/10

6:12 a.m.-8:10 p.m.

2 stops25h 28m

Chennai

Sun 15/11

9:50 p.m.-2:20 p.m.

2 stops30h 00m

C$ 1,708

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 15/12

3:50 p.m.-2:30 a.m.

1 stop21h 10m

Chennai

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 1,710

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/9

Showing 1-10 of 24 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 round-trip 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 C$ 1,512). Flying from Seattle to Chennai in December is currently the most expensive (average of C$ 2,489). 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 to fly round-trip from Seattle to Chennai?

Airfare is typical for this route at the moment.

Seattle to Chennai flights typically cost between C$ 1,660 and C$ 1,999 in January.
The cheapest round-trip price found within the last 5 days was C$ 1,678 on Oman Air (1 Jan-27 Jan).

Reviews of airlines servicing Chennai

See what other customers who have flown with Cathay Pacific from Seattle to Chennai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,497 reviews
Check prices

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Boarding

7.9

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
1,497 reviews
Cathay Pacific
7.6
Good
1,497 reviews
Check prices

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Boarding

7.9

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?

    For as low as C$ 1,799, Oman Air can have you in Chennai from Seattle in 25h 20m. There are 12925 km between Seattle and Chennai. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Seattle to Chennai round-trip from C$ 1,335. Cathay Pacific is currently priced 29% below the average price you’ll pay for this route.

  • 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 vacation 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 C$ 1,512). Flying from Seattle to Chennai in December is currently the most expensive (average of C$ 2,489). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Chennai

AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapestC$ 1,335AverageC$ 1,429FlexibilityNo 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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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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Not ready to book yet? You can track prices for flights from Seattle to Chennai on Cheapflights with our Price Alert feature and get notified when better prices are available.

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