Find flights
When to book
FAQs

Cheap flights from Seattle to Chennai from £510

SEA — MAA
19 Oct — 26 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 17/1022:15 -
2 stops33h 25m
Tue 27/1009:55 -
2 stops42h 18m
Deal found 14/9£903
Thu 15/1023:55 -
2 stops38h 25m
Sat 24/1004:05 -
2 stops31h 13m
Deal found 16/9£920
Wed 21/1013:45 -
2 stops30h 05m
Thu 5/1119:45 -
2 stops29h 32m
Deal found 16/9£965
Sat 7/1116:05 -
2 stops27h 35m
Wed 25/1120:45 -
2 stops28h 32m
Deal found 14/9£965
Wed 23/913:50 -
2 stops29h 55m
Tue 3/1119:15 -
2 stops30h 02m
Deal found 16/9£980
Mon 21/1215:50 -
2 stops49h 20m
Mon 25/115:00 -
2 stops34h 10m
Deal found 18/9£992
Mon 21/1215:50 -
2 stops49h 20m
Fri 22/115:00 -
2 stops58h 10m
Deal found 18/9£994
Fri 16/1013:45 -
2 stops27h 50m
Tue 27/1022:00 -
2 stops30h 44m
Deal found 16/9£995
Thu 3/1200:10 -
2 stops35h 00m
Fri 18/1212:20 -
2 stops42h 40m
Deal found 17/9£1,016
Tue 20/1016:25 -
1 stop21h 45m
Tue 27/1004:05 -
1 stop21h 05m
Deal found 14/9£1,026
Mon 19/1023:55 -
2 stops50h 15m
Fri 13/1116:10 -
2 stops58h 25m
Deal found 16/9£1,027
Thu 15/1013:45 -
2 stops30h 10m
Wed 28/1017:15 -
2 stops32h 02m
Deal found 16/9£1,032

Find flight deals from Seattle to Chennai

Round-trip from

£866

One-way from

£510

Popular in

December

Cheapest in

April

Average price

£1,017
Oman Air
  • Oman Air
  • 10/1-7/2
  • 4 total stops
  • 91h 10m total
  • Seattle to Chennai
Search Deals
KLM
  • KLM
  • 27/10-31/12
  • 2 total stops
  • 26h 40m total
  • Seattle to Chennai
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Wed 30/9

16:25-02:50

1 stop21h 55m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£619

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Thu 3/12

15:50-02:30

1 stop21h 10m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£698

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

£720

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

£743

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 26/10

16:50-02:15

1 stop20h 55m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£751

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 5/10

16:25-02:50

1 stop21h 55m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£751

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Tue 22/12

15:50-06:40

2 stops49h 20m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£845

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Fri 8/1

15:50-06:40

2 stops25h 20m

Chennai

Fri 5/2

15:00-11:40

2 stops34h 10m

£882

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Sun 20/12

15:50-14:20

2 stops57h 00m

Chennai

Wed 31/12

00:00-10:30

Nonstop0h 00m

£935

SeattleChennai

SEA Seattle/Tacoma Intl - MAA Chennai

SEAMAA

Seattle/Tacoma Intl

Mon 7/12

00:10-11:40

2 stops46h 00m

Chennai

Thu 24/12

20:00-17:30

2 stops59h 00m

£1,083

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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?

To ensure you get the cheapest price possible for a flight from Seattle to Chennai, you should look to book at least 6 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £802). Flying from Seattle to Chennai in December is currently the most expensive (average of £1,316). 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 £851 and £1,057 in January.
The cheapest return price found within the last 5 days was £866 on Oman Air (10 Jan–8 Feb).

Related info for your journey

  • How long is the flight from Seattle to Chennai?

    Departing from Seattle to Chennai will take you 25h 20m. There are 8031 mi between Seattle and Chennai. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £802). Flying from Seattle to Chennai in December is currently the most expensive (average of £1,316). 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
Mahabalipuram
Vellore

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Chennai?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Chennai. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Chennai?

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.

Can Cheapflights find flights from Seattle to Chennai with no change fees?

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.

Can Cheapflights notify me if prices for flights from Seattle to Chennai become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Chennai flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.