Find cheap airlines flights from Seattle to Istanbul

Choose from 6 carriers that fly from Seattle to Istanbul, including Turkish Airlines, Air Canada, and Scandinavian Airlines. Enjoy the cheapest tickets on this route with Turkish Airlines.

Book direct flights from Seattle to Istanbul: One way flights from $580, round trip flights from $688. Find flight deals for the next 3 months below.

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

Flight Info | Seattle to Istanbul

The distance between Seattle and Istanbul is approximately 9,775.51 km. It takes around 12 hours on average to fly from Seattle to Istanbul. Based on Trip.com's data travel demand peaks in January. The off-season for travel is August.

Cheapest one-way flight price$415
Cheapest round-trip ticket price$410
Off-season for travelAugust
Peak season for travelJanuary
Flight distance9,775.51 km
Average flight time12 hours
Popular airlineTurkish Airlines

When is the cheapest time to fly from Seattle to Istanbul?

The cheapest time for Seattle to Istanbul flights: Feb 1 to Feb 8 — one way flight prices from $309.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Seattle to Istanbul, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Istanbul (SEA-IST)?

    Based on Trip.com data, Icelandair offers one-way fares as low as $415 on Cheapest nonstop routes (e.g. SEA to IST on Wed, Jan 28), while Icelandair offers Cheapest nonstop round-trips from $410 departing on Mon, Feb 2 and returning on Mon, Feb 9.
  • At the moment, you can catch a nonstop flight from Seattle to Istanbul with the following airlines, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 12 hours to fly from Seattle (SEA) to Istanbul (IST).
  • 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 Istanbul 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.
  • Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Seattle to Istanbul. You can check the weekly schedule for popular airlines on this route below: Turkish Airlines: S/M/T/W/T/F/S -- TK204 (19:26)
  • To find best deals on flights from Seattle to Istanbul, 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, Jan 28, with one-way flights priced at just $415.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Turkish 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 Istanbul travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Istanbul is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Istanbul on December 22, 2025 with KLM Royal Dutch Airlines, with prices starting at $773.
  • You can land at any one of the following hubs in Istanbul, with Seattle–Tacoma International Airport to Istanbul Airport (SEA-IST) is by far the most common option on this route: Istanbul Airport (IST) Sabiha Gokcen International Airport (SAW) Ataturk Airport (ISL).
  • The time difference between Istanbul and Seattle is 11h.
  • 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.