HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$378+ Cheap flights from Istanbul (IST) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Istanbul to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in February or April, booked 86 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Istanbul to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$553
(Air France)

One-way from

$378
(Cheapflightsfares)

Popular in

August

Cheapest in

February

Average price

$719

Good round-trip deal

$747 or less

Good one-way deal

$646 or less
Provider with most accurate pricing for Istanbul-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Istanbul-Seattle/Tacoma Intl flights.
Search Deals
From Istanbul to Seattle/Tacoma Intl
Search Deals
One-way flight from Istanbul to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Istanbul to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Istanbul to Seattle/Tacoma Intl.
Search Deals

Find flight deals from Istanbul to Seattle

Cheapest flights from Istanbul to Seattle
Explore the most affordable flight options available from Istanbul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Air France deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:55 pmIST - SEA
1 stop28h 50mKLM
Tue 11/253:00 pmSEA - IST
1 stop14h 55mKLM
Deal found 10/29$553
This Air France deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:55 pmIST - SEA
2 stops31h 46mKLM
Sun 11/163:00 pmSEA - IST
1 stop14h 55mKLM
Deal found 10/29$563
This Air France deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmIST - SEA
1 stop28h 55mMultiple Airlines
Wed 5/131:30 pmSEA - IST
1 stop28h 00mMultiple Airlines
Deal found 10/30$627
This Air France deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:50 amIST - SEA
1 stop19h 35mAir France
Wed 5/131:30 pmSEA - IST
1 stop28h 00mAir France
Deal found 10/30$633
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:55 pmIST - SEA
1 stop28h 50mMultiple Airlines
Sat 11/293:00 pmSEA - IST
1 stop14h 55mMultiple Airlines
Deal found 10/29$637
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 pmIST - SEA
2 stops36h 54mLufthansa
Sat 11/292:00 pmSEA - IST
1 stop17h 05mLufthansa
Deal found 10/29$647
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:55 pmIST - SEA
2 stops32h 37mDelta
Tue 11/1111:10 pmSEA - IST
2 stops30h 45mDelta
Deal found 10/30$654
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmIST - SEA
1 stop28h 55mDelta
Wed 5/131:40 pmSEA - IST
2 stops27h 50mDelta
Deal found 10/30$655

Cheapflights Fare Finder

 
Customize your flight search to find flights from Istanbul to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Istanbul Airport to Seattle that are best for you.

Fly from

Istanbul

Fly to

Seattle

Route

Depart

Return

Price

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 11/17

4:50 am-11:25 am

1 stop17h 35m

Seattle/Tacoma Intl

Tue 11/25

3:00 pm-4:55 pm

1 stop14h 55m

$559

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 3/5

5:55 pm-11:35 am

1 stop28h 40m

Seattle/Tacoma Intl

Mon 3/9

4:00 pm-4:55 pm

1 stop14h 55m

$625

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 1/13

4:50 am-1:25 pm

1 stop19h 35m

Seattle/Tacoma Intl

Wed 5/13

9:50 am-4:20 pm

2 stops20h 30m

$629

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 1/19

6:40 pm-11:30 am

1 stop27h 50m

Seattle/Tacoma Intl

Fri 1/30

8:04 am-5:25 pm

2 stops22h 21m

$641

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 3/22

6:40 pm-9:10 pm

2 stops36h 30m

$391

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sat 1/17

7:35 am-4:55 pm

1 stop20h 20m

$393

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 1/22

7:35 am-10:20 pm

2 stops25h 45m

$400

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sat 1/17

7:35 am-9:50 pm

2 stops25h 15m

$400

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 4/28

8:15 am-11:05 pm

2 stops24h 50m

$434

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 12/26

8:10 am-11:30 am

1 stop38h 20m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 12 results
1
2

Compare providers for flights from Istanbul to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Istanbul to Seattle in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Istanbul Airport-Seattle flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Istanbul Airport-Seattle flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Istanbul Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-Seattle flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Istanbul Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Istanbul to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Istanbul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Seattle

How far ahead should I book a flight from Istanbul Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Seattle. Price data was last updated on October 24, 2025.

The best time to book flights from Istanbul Airport to Seattle is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Istanbul Airport to Seattle?

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $427). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to SEA?

Find hourly flight availability from Istanbul to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Istanbul Airport to Seattle in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Istanbul Airport to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Turkish Airlines from Istanbul Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Turkish Airlines
7.3
Good
4,033 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Lufthansa
6.8
Okay
7,542 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
British Airways
6.7
Okay
7,488 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Istanbul?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Istanbul to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Istanbul; the airport handles an average of 0 inbound flights from Istanbul per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Seattle airport from Istanbul. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Istanbul Airport to Seattle?

    Departing from Istanbul Airport to Seattle will take you 17h 35m. Istanbul Airport and Seattle are separated by a distance of 6051 mi.

  • What are the cheapest airlines flying from Istanbul Airport to Seattle round-trip?

    Flying on KLM is currently your cheapest option to Seattle, with prices starting at $440. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $497 and $589, respectively. KLM is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Istanbul Airport to Seattle?

    On average you can expect to pay $742 for a flight from Istanbul Airport to Seattle. The cheapest flight overall is $646 while the most popular route, (Istanbul - Seattle/Tacoma Intl) is currently priced at $553.

  • Can I find deals for flights from Istanbul to Seattle that include hotel bookings?

    Yes. In addition to deals on Istanbul to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Seattle.

  • Can I find deals for business class flights from Istanbul to Seattle?

    Yes. Cheapflights offers flight deals from Istanbul to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $427). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Istanbul to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Sabiha Gokcen to Seattle flights
Istanbul to Portland flights
Sabiha Gokcen to Portland flights
Istanbul to Spokane flights

Top 6 airlines flying from Istanbul to Seattle

Discover the top 6 airlines that operate flights from Istanbul to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$440Average$609FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$497Average$631FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$589Average$718FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$591Average$708FlexibilityNo cancel feeOn-time76%
DeltaCheapest$624Average$655FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$694Average$837FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.