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Cheap flights from Seattle to Chennai from ₹ 48,519

SEA — MAA
21 Sep — 28 Sep1
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 25/815:43 -
3 stops44h 32m
Tue 15/916:20 -
3 stops43h 52m
Deal found 21/8₹ 95,603
Sun 4/1023:18 -
2 stops28h 22m
Tue 13/1021:40 -
2 stops26h 45m
Deal found 18/8₹ 96,178
Sun 20/923:15 -
2 stops32h 40m
Thu 8/1021:40 -
2 stops31h 10m
Deal found 19/8₹ 96,656
Tue 8/912:05 -
2 stops33h 45m
Wed 30/921:40 -
2 stops26h 12m
Deal found 18/8₹ 97,326
Tue 8/915:45 -
2 stops32h 30m
Tue 29/914:00 -
2 stops38h 41m
Deal found 19/8₹ 97,517
Mon 5/1023:18 -
2 stops28h 22m
Thu 15/1021:40 -
2 stops26h 45m
Deal found 18/8₹ 97,613
Sat 19/923:15 -
2 stops32h 40m
Mon 19/1021:40 -
2 stops26h 45m
Deal found 20/8₹ 98,283
Fri 11/923:42 -
2 stops31h 58m
Sat 26/904:05 -
2 stops31h 02m
Deal found 19/8₹ 98,379
Fri 18/923:42 -
2 stops31h 58m
Fri 25/910:15 -
2 stops46h 59m
Deal found 21/8₹ 98,474
Sun 4/1023:18 -
2 stops28h 22m
Thu 15/1021:40 -
2 stops26h 45m
Deal found 18/8₹ 98,570
Fri 2/1023:15 -
2 stops34h 50m
Tue 13/1021:40 -
2 stops26h 45m
Deal found 21/8₹ 98,857

Find flight deals from Seattle to Chennai

Round-trip from

₹ 96,178

One-way from

₹ 48,519

Popular in

December

Cheapest in

April

Average price

₹ 139,721
4/10-13/10
  • 4/10-13/10
  • 4 total stops
  • 55h 07m total
  • Seattle to Chennai
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 32h 16m total
  • Seattle to Chennai
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 1,048,584 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 367,379 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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

Fri 4/9

23:41-08:25

2 stops44h 14m

Chennai

Sat 19/9

04:05-00:11

2 stops32h 36m

₹ 103,546

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 6/9

05:50-02:50

2 stops32h 30m

Chennai

Mon 21/9

04:05-00:11

2 stops32h 36m

₹ 103,546

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 15/9

06:18-02:50

2 stops32h 02m

Chennai

Tue 22/9

04:05-21:36

2 stops30h 01m

₹ 103,546

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 4/10

06:15-02:50

2 stops32h 05m

Chennai

Sat 7/11

03:55-00:35

2 stops34h 10m

₹ 104,312

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 6/10

06:12-02:50

2 stops32h 08m

Chennai

Thu 19/11

03:55-00:41

2 stops34h 16m

₹ 104,312

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 3/11

06:12-02:35

2 stops30h 53m

Chennai

Mon 7/12

03:55-00:32

2 stops34h 07m

₹ 104,312

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Thu 14/1

23:30-00:30

2 stops35h 30m

Chennai

Sat 27/2

20:00-18:10

2 stops59h 40m

₹ 104,503

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 29/1

00:10-00:30

2 stops34h 50m

Chennai

Sat 20/2

21:40-18:10

2 stops58h 00m

₹ 108,331

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sat 7/11

00:10-22:50

2 stops33h 10m

Chennai

Mon 30/11

21:40-18:10

2 stops58h 00m

₹ 119,050

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 20/11

23:34-02:35

2 stops37h 31m

Chennai

Fri 4/12

03:55-20:19

2 stops29h 54m

₹ 127,280

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 21 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 ₹ 103,068). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 185,178). 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 below average for this route at the moment.

Seattle to Chennai flights typically cost between ₹ 116,944 and ₹ 150,247 in October.
The cheapest return price found within the last 5 days was ₹ 96,178 on Multiple Airlines (4 Oct–13 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
1,455 reviews
Check prices

Comfort

7.5

Food

7.3

Crew

8.1

Entertainment

7.7

Overall

7.6

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
1,455 reviews
Cathay Pacific
7.6
Good
1,455 reviews
Check prices

Comfort

7.5

Food

7.3

Crew

8.1

Entertainment

7.7

Overall

7.6

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

  • 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 ₹ 97,364 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 ₹ 103,068). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 185,178). 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₹ 97,364Average₹ 123,404FlexibilityNo 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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