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Flights from Seattle to Chennai

Search cheap flights from Seattle to Chennai in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$409, and round-trip tickets start at US$1,403.

      • SEA 16:25
        21h 45m
        1 stop
        MAA 02:40
        Seattle - Chennai | Thu, May 21 | Qatar Airways
        MAA 03:55
        22h 40m
        1 stop
        SEA 14:05
        Chennai - Seattle | Thu, May 28 | Qatar Airways
        US$1,403 US$1,942
        28% off
        28% off
        US$1,942 US$1,403
      • SEA 16:25
        21h 45m
        1 stop
        MAA 02:40
        Seattle - Chennai | Tue, May 19 | Qatar Airways
        MAA 03:55
        22h 40m
        1 stop
        SEA 14:05
        Chennai - Seattle | Tue, May 26 | Qatar Airways
        US$1,484 US$1,942
        24% off
        24% off
        US$1,942 US$1,484
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Fri, May 22 | Cathay Pacific
        MAA 00:50
        21h 45m
        1 stop
        SEA 10:05
        Chennai - Seattle | Fri, May 29 | Cathay Pacific
        US$1,581 US$1,942
        19% off
        19% off
        US$1,942 US$1,581
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Fri, Jun 5 | Lufthansa
        MAA 01:55
        22h 55m
        1 stop
        SEA 12:20
        Chennai - Seattle | Thu, Jun 11 | Lufthansa
        US$1,589
        18% off
        US$1,942 US$1,589
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Tue, Jun 2 | Lufthansa
        MAA 01:55
        22h 55m
        1 stop
        SEA 12:20
        Chennai - Seattle | Sun, Jun 7 | Lufthansa
        US$1,606
        17% off
        US$1,942 US$1,606
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Tue, May 26 | Lufthansa
        MAA 01:55
        22h 55m
        1 stop
        SEA 12:20
        Chennai - Seattle | Sat, May 30 | Lufthansa
        US$1,716
        12% off
        US$1,942 US$1,716
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Sun, May 24 | Lufthansa
        MAA 01:55
        22h 55m
        1 stop
        SEA 12:20
        Chennai - Seattle | Sun, May 31 | Lufthansa
        US$1,735
        11% off
        US$1,942 US$1,735
      • SEA 16:25
        21h 45m
        1 stop
        MAA 02:40
        Seattle - Chennai | Thu, May 28 | Qatar Airways
        MAA 03:55
        22h 40m
        1 stop
        SEA 14:05
        Chennai - Seattle | Thu, Jun 4 | Qatar Airways
        US$1,738
        11% off
        US$1,942 US$1,738
      • SEA 16:25
        21h 45m
        1 stop
        MAA 02:40
        Seattle - Chennai | Thu, Jun 4 | Qatar Airways
        MAA 03:55
        22h 40m
        1 stop
        SEA 14:05
        Chennai - Seattle | Thu, Jun 11 | Qatar Airways
        US$1,738
        11% off
        US$1,942 US$1,738
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Tue, Jun 2 | United Airlines
        MAA 01:55
        22h 55m
        1 stop
        SEA 12:20
        Chennai - Seattle | Sun, Jun 7 | Lufthansa
        US$1,767
        9% off
        US$1,942 US$1,767
      • SEA 13:00
        17h 25m
        1 stop
        MAA 14:00
        Seattle - Chennai | Wed, May 20 | Normal Airline
        MAA 15:00
        6h
        Nonstop
        SEA 16:00
        Chennai - Seattle | Fri, May 22 | Normal Airline
        Find more flights
        Find more flights
      • SEA 10:15
        31h 30m
        1 stop
        MAA 06:15
        Seattle - Chennai | Wed, May 27 | Singapore Airlines
        US$409 US$1,347
        70% off
        70% off
        US$1,347 US$409
      • SEA 14:10
        21h 30m
        1 stop
        MAA 00:10
        Seattle - Chennai | Wed, May 27 | United Airlines
        US$849 US$1,347
        37% off
        37% off
        US$1,347 US$849
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Thu, May 21 | Cathay Pacific
        US$1,011 US$1,347
        25% off
        25% off
        US$1,347 US$1,011
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Sat, May 23 | Cathay Pacific
        US$1,024
        24% off
        US$1,347 US$1,024
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Tue, May 19 | Cathay Pacific
        US$1,024
        24% off
        US$1,347 US$1,024
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Tue, May 26 | Cathay Pacific
        US$1,079
        20% off
        US$1,347 US$1,079
      • SEA 12:25
        22h 40m
        1 stop
        MAA 23:35
        Seattle - Chennai | Tue, Jul 14 | Cathay Pacific
        US$1,086
        19% off
        US$1,347 US$1,086
      • SEA 11:45
        23h 20m
        1 stop
        MAA 23:35
        Seattle - Chennai | Sun, May 24 | Cathay Pacific
        US$1,095
        19% off
        US$1,347 US$1,095
      • SEA 16:30
        21h 50m
        1 stop
        MAA 02:50
        Seattle - Chennai | Wed, May 27 | American Airlines
        US$1,194
        11% off
        US$1,347 US$1,194
      • SEA 12:25
        22h 40m
        1 stop
        MAA 23:35
        Seattle - Chennai | Thu, Jul 16 | Cathay Pacific
        US$1,225
        9% off
        US$1,347 US$1,225
      • SEA 13:00
        17h 25m
        1 stop
        MAA 14:00
        Seattle - Chennai | Wed, May 20 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seattle to Chennai are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Chennai (SEA-MAA)?

    Based on Trip.com data, Singapore Airlines offers one-way fares as low as US$409 on Cheapest nonstop routes (e.g. SEA to MAA on Wed, May 27), while Qatar Airways offers Cheapest nonstop round-trips from US$1,403 departing on Thu, May 21 and returning on Thu, May 28.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Chennai is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to Chennai, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, May 27, with one-way flights priced at just US$409.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Singapore Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Chennai travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Chennai is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Seattle to Chennai on May 22, 2026 with Lufthansa, with prices starting at US$1,251.
  • The time difference between Chennai and Seattle is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.