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$425+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in April or November, booked 50 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap 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 April 23, 2026.

This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:20 pm
IST
-
SEA
1 stop33h 15m
Multiple Airlines
Fri 10/26:40 pm
SEA
-
IST
1 stop22h 50m
Multiple Airlines
Deal found 4/21$646
This KLM deal was found by Cheapflights users on 4/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
IST
-
SEA
1 stop15h 47m
KLM
Fri 10/21:45 pm
SEA
-
IST
1 stop25h 35m
KLM
Deal found 4/20$647
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:20 pm
IST
-
SEA
1 stop28h 22m
KLM
Wed 6/35:45 pm
SEA
-
IST
1 stop21h 35m
KLM
Deal found 4/21$656
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:20 pm
IST
-
SEA
1 stop28h 22m
KLM
Sat 6/61:55 pm
SEA
-
IST
1 stop25h 25m
KLM
Deal found 4/22$657
This Gotogate deal was found by Cheapflights users on 4/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:45 am
IST
-
SEA
1 stop23h 14m
Lufthansa
Wed 6/102:10 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Deal found 4/19$665
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
IST
-
SEA
2 stops20h 37m
KLM
Tue 5/265:40 pm
SEA
-
IST
1 stop21h 40m
KLM
Deal found 4/21$667

Find 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$646
(KLM)

One-way from

$425
(KAYAK)

Popular in

August

Cheapest in

April

Average price

$658

Good round-trip deal

$807 or less

Good one-way deal

$688 or less
Provider with most accurate pricing for Istanbul-Seattle/Tacoma Intl flight deals.
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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. 12% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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

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 April 23, 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 5/17

5:20 pm-11:42 am

1 stop28h 22m

Seattle/Tacoma Intl

Wed 6/3

5:45 pm-1:20 am

1 stop21h 35m

$656

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 6/2

5:20 pm-11:37 am

1 stop28h 17m

Seattle/Tacoma Intl

Tue 6/9

5:45 pm-1:20 am

1 stop21h 35m

$659

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 5/28

5:40 am-8:46 pm

2 stops25h 06m

Seattle/Tacoma Intl

Wed 6/10

2:10 pm-9:25 pm

1 stop21h 15m

$672
Quickest round-trip

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 5/19

6:00 am-11:42 am

1 stop15h 42m

Seattle/Tacoma Intl

Tue 5/26

10:35 am-4:20 pm

2 stops19h 45m

$709

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 10/6

6:00 am-4:58 pm

2 stops20h 58m

Seattle/Tacoma Intl

Tue 11/24

11:25 am-4:55 pm

2 stops18h 30m

$716

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 5/17

6:00 am-7:05 pm

2 stops23h 05m

Seattle/Tacoma Intl

Wed 6/3

1:55 pm-1:20 am

1 stop25h 25m

$717

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 6/10

5:40 am-6:33 pm

2 stops22h 53m

Seattle/Tacoma Intl

Mon 7/27

5:00 am-9:25 pm

2 stops30h 25m

$761

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 6/1

8:15 pm-11:35 am

1 stop25h 20m

Seattle/Tacoma Intl

Sun 7/26

8:20 pm-12:25 am

1 stop18h 05m

$771

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 7/6

1:55 pm-11:55 am

1 stop32h 00m

Seattle/Tacoma Intl

Sun 7/26

2:10 pm-9:35 pm

1 stop21h 25m

$852
Cheapest one-way
Quickest one-way

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 9/23

8:15 am-7:24 pm

2 stops21h 09m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Istanbul Airport-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

The best time to book flights from Istanbul Airport to Seattle is 49 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, April is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $658). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $1,081). 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 April 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Seattle as you normally would.

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 April 23, 2026.
Peruse reviews from past customers who have flown with KLM,Turkish Airlines, andUnited 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.
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.4
Good
4,326 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,637 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,941 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,907 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 1 inbound flight 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 15h 42m. Istanbul Airport and Seattle are separated by a distance of 6051 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $532. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $536 and $604, respectively. KLM is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Istanbul Airport to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $379. However, be on the lookout for offers from British Airways and Qatar Airways, as they are both options that can get you from Istanbul Airport to Seattle for a low price.

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

    On average you can expect to pay $783 for a flight from Istanbul Airport to Seattle. The cheapest flight overall is $657 while the most popular route, (Istanbul - Seattle/Tacoma Intl) is currently priced at $647.

  • 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, April is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $658). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $1,081). 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
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
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Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Istanbul to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$532Average$662FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$536Average$593FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$604Average$718FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$827FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$629Average$708FlexibilityNo cancel feeOn-time76%
DeltaCheapest$648Average$705FlexibilityNo cancel feeOn-timeN/A

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