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£273 Cheap Flights from Istanbul (IST) to Seattle (SEA)

View £273 flight on Fri, 6 Nov 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Istanbul (IST) to Seattle (SEA)

Prices were available within the past 7 days and start at £273 for one-way flights and £532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 24 Sept - Wed, 7 Oct
IST
Istanbul
SEA
Seattle
£532 Return, found 1 day ago
£532
Return
found 1 day ago
Select KLM flight, departing Thu, 24 Sept from Istanbul to Seattle, returning Wed, 7 Oct, priced at £532 found 1 day ago
Air France
Thu, 24 Sept - Wed, 7 Oct
IST
Istanbul
SEA
Seattle
£532 Return, found 1 day ago
£532
Return
found 1 day ago
Select Air France flight, departing Thu, 24 Sept from Istanbul to Seattle, returning Wed, 7 Oct, priced at £532 found 1 day ago
KLM
Sun, 15 Nov - Sun, 22 Nov
IST
Istanbul
SEA
Seattle
£537 Return, found 4 days ago
£537
Return
found 4 days ago
Select KLM flight, departing Sun, 15 Nov from Istanbul to Seattle, returning Sun, 22 Nov, priced at £537 found 4 days ago
KLM
Sat, 15 May - Sat, 22 May
IST
Istanbul
SEA
Seattle
£539 Return, found 4 days ago
£539
Return
found 4 days ago
Select KLM flight, departing Sat, 15 May from Istanbul to Seattle, returning Sat, 22 May, priced at £539 found 4 days ago
Air France
Wed, 23 Sept - Sun, 4 Oct
IST
Istanbul
SEA
Seattle
£542 Return, found 2 days ago
£542
Return
found 2 days ago
Select Air France flight, departing Wed, 23 Sept from Istanbul to Seattle, returning Sun, 4 Oct, priced at £542 found 2 days ago
Lufthansa
Sat, 6 Mar - Sat, 13 Mar
IST
Istanbul
SEA
Seattle
£542 Return, found 4 days ago
£542
Return
found 4 days ago
Select Lufthansa flight, departing Sat, 6 Mar from Istanbul to Seattle, returning Sat, 13 Mar, priced at £542 found 4 days ago
United
Sat, 6 Mar - Sat, 13 Mar
IST
Istanbul
SEA
Seattle
£543 Return, found 4 days ago
£543
Return
found 4 days ago
Select United flight, departing Sat, 6 Mar from Istanbul to Seattle, returning Sat, 13 Mar, priced at £543 found 4 days ago
Air France
Fri, 2 Oct - Thu, 15 Oct
IST
Istanbul
SEA
Seattle
£544 Return, found 2 days ago
£544
Return
found 2 days ago
Select Air France flight, departing Fri, 2 Oct from Istanbul to Seattle, returning Thu, 15 Oct, priced at £544 found 2 days ago
Air France
Fri, 2 Oct - Thu, 15 Oct
IST
Istanbul
SEA
Seattle
£544 Return, found 2 days ago
£544
Return
found 2 days ago
Select Air France flight, departing Fri, 2 Oct from Istanbul to Seattle, returning Thu, 15 Oct, priced at £544 found 2 days ago
American Airlines
Sat, 15 May - Sat, 22 May
IST
Istanbul
SEA
Seattle
£553 Return, found 4 days ago
£553
Return
found 4 days ago
Select American Airlines flight, departing Sat, 15 May from Istanbul to Seattle, returning Sat, 22 May, priced at £553 found 4 days ago

Find the cheapest month to fly from Istanbul (IST) to Seattle (SEA)

April is typically the cheapest month to fly

From £415 - £799 per traveller.

Frequently asked questions

How much does a flight from Istanbul (IST) to Seattle, WA (SEA) cost?
You can find one-way and return flights from Istanbul (IST) to Seattle, WA (SEA) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IST to SEA ticket fares go up or down.
What is the cheapest month to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
February is typically the cheapest month to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around £538. February often sees lower prices because it falls outside of peak holiday seasons, when travel demand tends to decrease. Other cheap months to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include October and November.
Which airlines fly direct from Istanbul (IST) to Seattle, WA (SEA)?
Enter IST to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Istanbul (IST) to Seattle, WA (SEA)?
To find a cheap flight from Istanbul (IST) to Seattle, WA (SEA), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Istanbul (IST) to Seattle, WA (SEA)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Istanbul (IST) to Seattle, WA (SEA)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Istanbul (IST) to Seattle, WA (SEA). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from IST to SEA typically takes around 12 hours 50 minutes, covering approximately 9,748 kilometers. Connecting flights on this route usually add 7 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Istanbul (IST) to Seattle, WA (SEA)?
Select the "Business class" and "First class" filters when looking for Istanbul (IST) to Seattle, WA (SEA) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Istanbul (IST) to Seattle, WA (SEA) flight with Expedia?
It's easy to earn miles on a Istanbul (IST) to Seattle, WA (SEA) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Seattle, WA (SEA) at the last minute?
Typically, booking a last minute flight from Istanbul (IST) to Seattle, WA (SEA) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Istanbul (IST) to Seattle, WA (SEA) flight and hotel package?
Securing a Istanbul (IST) to Seattle, WA (SEA) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Seattle, WA (SEA)?
If you booked your Istanbul (IST) to Seattle, WA (SEA) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Istanbul
Destination airport
Seattle - Tacoma Intl.
Return price
£532
Distance
9689 km
Average flight time
2 hours 25 mins

Book with confidence

Compare flights from Istanbul to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Istanbul to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Istanbul to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Istanbul (IST) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Istanbul to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Istanbul to Seattle - Tacoma Intl. start at just £532 and range up to £553.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Istanbul and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Istanbul to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Istanbul to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Istanbul to Seattle easily and book with confidence

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*Available to Expedia members.