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$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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in February or January, booked 86 days in advance, depart on a Wednesday or Tuesday 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 September 17, 2025.

Round-trip from

$493
(KLM)

One-way from

$378
(Cheapflightsfares)

Popular in

August

Cheapest in

February

Average price

$777

Good round-trip deal

$895 or less

Good one-way deal

$685 or less
From Istanbul to Seattle/Tacoma Intl
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One-way flight from Istanbul to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 9% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Istanbul to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Istanbul to Seattle/Tacoma Intl.
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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 September 17, 2025.

This KLM deal was found by Cheapflights users on 9/15. 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 11/55:55 pmIST - SEA
1 stop28h 50mKLM
Sun 11/303:00 pmSEA - IST
1 stop14h 55mKLM
Deal found 9/15$493
This KLM deal was found by Cheapflights users on 9/15. 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 10/225:05 pmIST - SEA
1 stop28h 45mKLM
Tue 10/284:00 pmSEA - IST
1 stop14h 55mKLM
Deal found 9/15$495
This KLM deal was found by Cheapflights users on 9/15. 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 12/25:55 pmIST - SEA
1 stop28h 55mKLM
Thu 1/13:10 pmSEA - IST
1 stop14h 45mKLM
Deal found 9/15$500
This KLM deal was found by Cheapflights users on 9/16. 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 10/15:05 pmIST - SEA
1 stop28h 45mKLM
Wed 10/156:35 pmSEA - IST
1 stop22h 50mKLM
Deal found 9/16$501
This KLM deal was found by Cheapflights users on 9/17. 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.
Thu 10/234:20 amIST - SEA
1 stop23h 20mKLM
Mon 10/274:00 pmSEA - IST
1 stop14h 55mKLM
Deal found 9/17$502
This KLM deal was found by Cheapflights users on 9/16. 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.
Thu 10/25:05 pmIST - SEA
1 stop33h 00mKLM
Wed 10/156:35 pmSEA - IST
1 stop22h 50mKLM
Deal found 9/16$503
This Air France deal was found by Cheapflights users on 9/15. 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 12/25:55 pmIST - SEA
1 stop28h 55mKLM
Wed 12/3110:40 amSEA - IST
2 stops19h 15mKLM
Deal found 9/15$504
This KLM deal was found by Cheapflights users on 9/15. 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.
Thu 10/234:20 amIST - SEA
1 stop23h 20mKLM
Wed 1/711:25 amSEA - IST
2 stops18h 30mKLM
Deal found 9/15$505
This KLM deal was found by Cheapflights users on 9/15. 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.
Thu 10/234:20 amIST - SEA
1 stop23h 20mKLM
Mon 1/511:25 amSEA - IST
2 stops18h 30mKLM
Deal found 9/15$510
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:25 pmIST - SEA
1 stop15h 25mIcelandair
Wed 1/72:35 pmSEA - IST
1 stop22h 20mIcelandair
Deal found 9/15$521

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 September 17, 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

Wed 10/22

5:05 pm-11:50 am

1 stop28h 45m

Seattle/Tacoma Intl

Tue 10/28

4:00 pm-4:55 pm

1 stop14h 55m

$495

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Wed 1/7

3:10 pm-4:55 pm

1 stop14h 45m

$501

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Mon 10/27

4:00 pm-4:55 pm

1 stop14h 55m

$502

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/2

5:05 pm-4:05 pm

1 stop33h 00m

Seattle/Tacoma Intl

Wed 10/15

6:35 pm-3:25 am

1 stop22h 50m

$503

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Tue 1/6

9:40 am-4:55 pm

2 stops20h 15m

$510

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

7:55 pm-11:35 am

1 stop25h 40m

Seattle/Tacoma Intl

Mon 10/27

7:50 pm-12:05 am

1 stop18h 15m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 10/24

5:35 pm-11:35 am

1 stop28h 00m

Seattle/Tacoma Intl

Wed 1/7

8:00 am-5:25 pm

2 stops22h 25m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

7:55 pm-11:35 am

1 stop25h 40m

Seattle/Tacoma Intl

Tue 1/6

1:25 pm-5:45 pm

1 stop17h 20m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

7:55 pm-6:20 pm

1 stop32h 25m

Seattle/Tacoma Intl

Thu 1/8

8:00 am-1:10 am

2 stops30h 10m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 12/10

7:35 am-4:55 pm

1 stop20h 20m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
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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 September 12, 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, January is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $238). Flying from Istanbul Airport to Seattle in June is currently the most expensive (average of $387). 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 September 17, 2025.

It’s typically best to fly out from Istanbul Airport to Seattle in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, 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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Turkish Airlines
7.3
Good
3,965 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
British Airways
6.7
Okay
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 28h 45m. 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 American Airlines and British Airways, with the lowest prices starting at $490 and $495, respectively. KLM is priced at 40% 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 $961 for a flight from Istanbul Airport to Seattle. The cheapest flight overall is $652 while the most popular route, (Istanbul - Seattle/Tacoma Intl) is currently priced at $493.

  • 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, January is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $238). Flying from Istanbul Airport to Seattle in June is currently the most expensive (average of $387). 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
Ocean Shores
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Edmonds
Leavenworth
Renton
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Olympia
Kent
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Cle Elum
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Shoreline

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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.
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Istanbul to Portland flights
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$440Average$589FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$490Average$594FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$495Average$656FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$591Average$707FlexibilityNo cancel feeOn-time76%
DeltaCheapest$624Average$648FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$694Average$866FlexibilityNo cancel feeOn-time77%

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