£314 Cheap Flights from Istanbul (IST) to Seattle (SEA)

View £314 flight on Wed, 9 Sept 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 £314 for one-way flights and £527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Fri, 15 May - Sun, 24 May
IST
Istanbul
SEA
Seattle
£527 Return, found 6 days ago
£527
Return
found 6 days ago
Select KLM flight, departing Fri, 15 May from Istanbul to Seattle, returning Sun, 24 May, priced at £527 found 6 days ago
KLM
Fri, 15 May - Sun, 24 May
IST
Istanbul
SEA
Seattle
£528 Return, found 6 days ago
£528
Return
found 6 days ago
Select KLM flight, departing Fri, 15 May from Istanbul to Seattle, returning Sun, 24 May, priced at £528 found 6 days ago
Air France
Wed, 3 Jun - Mon, 8 Jun
IST
Istanbul
SEA
Seattle
£534 Return, found 9 hours ago
£534
Return
found 9 hours ago
Select Air France flight, departing Wed, 3 Jun from Istanbul to Seattle, returning Mon, 8 Jun, priced at £534 found 9 hours ago
KLM
Fri, 15 May - Sun, 24 May
IST
Istanbul
SEA
Seattle
£536 Return, found 6 days ago
£536
Return
found 6 days ago
Select KLM flight, departing Fri, 15 May from Istanbul to Seattle, returning Sun, 24 May, priced at £536 found 6 days ago
Lufthansa
Fri, 19 Jun - Mon, 12 Oct
IST
Istanbul
SEA
Seattle
£546 Return, found 5 days ago
£546
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 19 Jun from Istanbul to Seattle, returning Mon, 12 Oct, priced at £546 found 5 days ago
Lufthansa
Fri, 19 Jun - Mon, 12 Oct
IST
Istanbul
SEA
Seattle
£548 Return, found 5 days ago
£548
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 19 Jun from Istanbul to Seattle, returning Mon, 12 Oct, priced at £548 found 5 days ago
Lufthansa
Wed, 20 May - Sun, 31 May
IST
Istanbul
SEA
Seattle
£556 Return, found 6 days ago
£556
Return
found 6 days ago
Select Lufthansa flight, departing Wed, 20 May from Istanbul to Seattle, returning Sun, 31 May, priced at £556 found 6 days ago
Lufthansa
Thu, 13 Aug - Thu, 20 Aug
IST
Istanbul
SEA
Seattle
£563 Return, found 4 days ago
£563
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 13 Aug from Istanbul to Seattle, returning Thu, 20 Aug, priced at £563 found 4 days ago
British Airways
Wed, 3 Jun - Mon, 8 Jun
IST
Istanbul
SEA
Seattle
£567 Return, found 9 hours ago
£567
Return
found 9 hours ago
Select British Airways flight, departing Wed, 3 Jun from Istanbul to Seattle, returning Mon, 8 Jun, priced at £567 found 9 hours ago
Turkish Airlines
Wed, 3 Jun - Mon, 8 Jun
IST
Istanbul
SEA
Seattle
£611 Return, found 9 hours ago
£611
Return
found 9 hours ago
Select Turkish Airlines flight, departing Wed, 3 Jun from Istanbul to Seattle, returning Mon, 8 Jun, priced at £611 found 9 hours ago

Frequently asked questions

How much does a flight from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $1,969 and $9,704 and return flights often range between $1,969 and $9,704. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
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 round-trip fares around 1750 CAD. This is about 16% lower than the average price throughout the year. February often sees lower prices as it falls outside of peak holiday travel seasons, leading to reduced demand. October and November are also good months to find deals on this route.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
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-Seattle - Tacoma Intl.)?
To find a cheap flight from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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 airline to fly with from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, TK offers early morning flights. If price is the most important factor, TK typically offers the lowest fares. TK offers the most daily flights from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) is February. This month offers a great balance, as it's both one of the cheapest and most popular times to travel. You can expect round-trip flights to be around 1750 CAD, and with its popularity, you'll find plenty of flight options to choose from. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When flying from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll find approximately 1 nonstop flight per day. For even more choice, look at flights that include layovers, as there are around 55 connecting flights per day. Some common connection points include Frankfurt Intl. (FRA), Heathrow (LHR), and Schiphol (AMS).
What is the earliest flight from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 1:40 AM local time. This flight is operated by Turkish Airlines and Air Canada. This is a seasonal service active in May. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 41 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Turkish Airlines, Lufthansa, and British Airways. Flight schedules are fairly consistent throughout the week, with Thursdays offering notably more flight options compared to some other days.
What are the most popular departure times for flights from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 3am to 6am. About 31% of passengers prefer this time window. Many major carriers, including Lufthansa and United Airlines, offer flights during this window. These times work well because they often allow for convenient connections for long-haul international travel.
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 20 minutes, covering approximately 6,057 miles. Connecting flights on this route usually add 8 hours 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-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for IST to 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-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
What airports do you fly into for Seattle from Istanbul Airport (IST)?
From Istanbul Airport (IST), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Heathrow (LHR), Franz Josef Strauss Intl. (MUC) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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-Seattle - Tacoma Intl.)?
If you booked your Istanbul (IST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
Airlines serving
Air France, British Airways, Icelandair, JetBlue Airways, KLM, Lufthansa, Qatar Airways, Turkish Airlines
Return price
£526
Distance
9689 km
Average flight time
13 hours 20 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 £527 and range up to £611.  

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 May, 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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