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Cheap flights from Seattle to Chennai from ₹ 44,929

SEA — MAA
13 Oct — 20 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

Sat 26/923:15 -
2 stops28h 25m
Sun 11/1017:00 -
3 stops54h 05m
Deal found 10/9₹ 109,838
Tue 15/920:44 -
3 stops39h 26m
Tue 13/1021:40 -
2 stops28h 06m
Deal found 10/9₹ 110,125
Thu 12/1118:55 -
2 stops46h 15m
Mon 30/1115:00 -
2 stops39h 20m
Deal found 10/9₹ 110,698
Wed 16/923:15 -
2 stops28h 25m
Fri 16/1016:00 -
3 stops41h 51m
Deal found 10/9₹ 110,794
Tue 13/1023:55 -
2 stops31h 45m
Fri 23/1004:05 -
2 stops31h 07m
Deal found 9/9₹ 110,890
Mon 28/920:30 -
3 stops39h 40m
Tue 6/1009:50 -
3 stops46h 28m
Deal found 10/9₹ 110,985
Sat 24/1022:15 -
2 stops33h 05m
Fri 13/1109:55 -
2 stops41h 15m
Deal found 9/9₹ 111,176
Mon 21/923:15 -
2 stops28h 25m
Fri 16/1021:40 -
2 stops26h 45m
Deal found 8/9₹ 111,463
Tue 15/920:44 -
3 stops39h 26m
Thu 15/1020:10 -
2 stops28h 15m
Deal found 10/9₹ 111,559
Thu 10/915:45 -
2 stops30h 05m
Sat 19/911:00 -
3 stops36h 52m
Deal found 9/9₹ 112,323
Wed 18/1108:40 -
1 stop34h 35m
Thu 3/1210:00 -
1 stop34h 35m
Deal found 12/9₹ 112,610

Find flight deals from Seattle to Chennai

Round-trip from

₹ 109,169

One-way from

₹ 44,929

Popular in

December

Cheapest in

April

Average price

₹ 129,817
Oman Air
  • Oman Air
  • 28/2-14/4
  • 4 total stops
  • 83h 15m total
  • Seattle to Chennai
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Singapore Airlines
  • Singapore Airlines
  • 19/2-31/12
  • 1 total stop
  • 24h 00m total
  • Seattle to Chennai
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 1,018,854 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 352,448 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

Sun 29/11

08:40-22:55

2 stops48h 45m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 50,474

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 20/9

06:15-08:25

2 stops37h 40m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 51,143

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 11/10

15:55-15:05

3 stops34h 40m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 59,460

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

₹ 65,195

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 29/11

00:10-22:55

3 stops33h 15m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 65,482

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 25/9

16:25-02:50

1 stop21h 55m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 69,880

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Thu 3/12

14:35-07:05

2 stops27h 00m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 74,659

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sat 10/10

14:10-00:10

1 stop21h 30m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 81,638
Fastest return journey

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 1/12

15:50-02:30

1 stop21h 10m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 90,432

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Wed 21/10

16:25-02:40

1 stop21h 45m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 95,021

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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 ₹ 102,573). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 168,246). 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 ₹ 109,169 and ₹ 137,465 in February.
The cheapest return price found within the last 5 days was ₹ 109,169 on Oman Air (28 Feb–14 Apr).

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
1,482 reviews
Check prices

Comfort

7.6

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.7

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
1,482 reviews
Cathay Pacific
7.6
Good
1,482 reviews
Check prices

Comfort

7.6

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.7

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 27h 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 ₹ 97,258 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 ₹ 102,573). Flying from Seattle to Chennai in December is currently the most expensive (average of ₹ 168,246). 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₹ 97,258Average₹ 136,242FlexibilityNo 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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