Find cheap airlines flights from Seattle to Chennai

You can choose from 2 airlines that fly from Seattle to Chennai, including Singapore Airlines, Alaska Airlines, Singapore Airlines has lowest fares on this route.
Singapore Airlines logo Singapore Airlines
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Chennai according to previous 12 months data from Trip.com.

Find flight deals from Seattle to Chennai for the next 3 months. Book one way flights from $409 or round trip flights from $761.

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.

Flight Info | Seattle to Chennai

The distance between Seattle and Chennai is approximately 12,932.86 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$409
Cheapest round-trip ticket price$761
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance12,932.86 km
Popular airlineSingapore Airlines
Flight statistics for the Seattle–Chennai route are based on aggregated booking data from Trip.com over the past 12 months.

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 $409 on Cheapest nonstop routes (e.g. SEA to MAA on Sun, May 17), while Singapore Airlines offers Cheapest nonstop round-trips from $761 departing on Sun, Apr 26 and returning on Thu, Apr 30.
  • At the moment, you can catch a nonstop flight from Seattle to Chennai with the following airlines, including: Singapore Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • 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 Sun, May 17, with one-way flights priced at just $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 April flight calendar, it's currently cheapest to fly from Seattle to Chennai on April 18, 2026 with Singapore Airlines, with prices starting at $792.
  • You can land at any one of the following hubs in Chennai, with Seattle-Tacoma International Airport to Chennai International Airport (SEA-MAA) is by far the most common option on this route: Chennai International Airport (MAA).
  • 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.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.