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$533+ Cheap flights from Istanbul (IST) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 43 days in advance, depart on a Wednesday 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 August 20, 2025.

Round-trip from

$533
(KLM)

Popular in

August

Cheapest in

February

Average price

$1,018

Good round-trip deal

$1,084 or less

Good one-way deal

$673 or less
From Istanbul to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This KLM deal was found by Cheapflights users on 8/18. 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 11/125:55 pmIST - SEA
1 stop28h 50mKLM
Sat 12/611:25 amSEA - IST
2 stops18h 30mKLM
Deal found 8/18$533
This KLM deal was found by Cheapflights users on 8/18. 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 9/105:05 pmIST - SEA
1 stop28h 40mKLM
Wed 9/175:40 pmSEA - IST
1 stop21h 40mKLM
Deal found 8/18$534
This Air France deal was found by Cheapflights users on 8/18. 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 11/125:55 pmIST - SEA
1 stop28h 50mKLM
Mon 12/89:30 amSEA - IST
2 stops20h 25mKLM
Deal found 8/18$535
This Air France deal was found by Cheapflights users on 8/18. 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 11/114:50 amIST - SEA
1 stop19h 25mMultiple Airlines
Sat 12/611:25 amSEA - IST
2 stops18h 30mMultiple Airlines
Deal found 8/18$538
This Air France deal was found by Cheapflights users on 8/18. 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 9/114:20 amIST - SEA
1 stop23h 20mMultiple Airlines
Wed 9/245:40 pmSEA - IST
1 stop36h 40mMultiple Airlines
Deal found 8/18$539
This Air France deal was found by Cheapflights users on 8/18. 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 11/114:50 amIST - SEA
1 stop19h 25mMultiple Airlines
Sun 12/79:30 amSEA - IST
2 stops20h 25mMultiple Airlines
Deal found 8/18$540
This Air France deal was found by Cheapflights users on 8/18. 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 11/134:50 amIST - SEA
2 stops23h 08mMultiple Airlines
Sat 12/63:05 pmSEA - IST
1 stop14h 50mMultiple Airlines
Deal found 8/18$544
This KLM deal was found by Cheapflights users on 8/20. 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.
Thu 9/46:10 amIST - SEA
1 stop19h 55mKLM
Sat 9/276:45 pmSEA - IST
1 stop22h 40mKLM
Deal found 8/20$545
This Air France deal was found by Cheapflights users on 8/18. 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 11/134:50 amIST - SEA
2 stops23h 08mMultiple Airlines
Sun 12/79:30 amSEA - IST
2 stops20h 25mMultiple Airlines
Deal found 8/18$546
This KLM deal was found by Cheapflights users on 8/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 amIST - SEA
1 stop23h 20mKLM
Fri 10/106:35 pmSEA - IST
1 stop22h 50mKLM
Deal found 8/19$547

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 August 20, 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 11/12

5:55 pm-11:45 am

1 stop28h 50m

Seattle/Tacoma Intl

Sat 12/6

11:25 am-4:55 pm

2 stops18h 30m

$533

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 11/12

5:55 pm-11:45 am

1 stop28h 50m

Seattle/Tacoma Intl

Sun 12/7

3:05 pm-4:55 pm

1 stop14h 50m

$533

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sat 10/4

5:05 pm-11:50 am

1 stop28h 45m

Seattle/Tacoma Intl

Sat 10/11

5:40 pm-4:05 pm

1 stop36h 25m

$533

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/2

5:05 pm-11:50 am

1 stop28h 45m

Seattle/Tacoma Intl

Thu 10/9

5:40 pm-4:05 pm

1 stop36h 25m

$534

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 9/10

5:05 pm-11:45 am

1 stop28h 40m

Seattle/Tacoma Intl

Wed 9/17

5:40 pm-1:20 am

1 stop21h 40m

$534

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/18

5:05 pm-11:45 am

1 stop28h 40m

Seattle/Tacoma Intl

Thu 9/25

2:10 pm-1:20 am

1 stop25h 10m

$535

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 11/12

5:55 pm-11:45 am

1 stop28h 50m

Seattle/Tacoma Intl

Mon 12/8

9:30 am-4:55 pm

2 stops20h 25m

$535

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 11/11

4:50 am-1:15 pm

1 stop19h 25m

Seattle/Tacoma Intl

Sat 12/6

11:25 am-4:55 pm

2 stops18h 30m

$538

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/4

5:05 pm-11:45 am

1 stop28h 40m

Seattle/Tacoma Intl

Sat 9/27

5:40 pm-4:20 pm

1 stop36h 40m

$538

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 12/8

5:30 am-7:53 pm

3 stops25h 23m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 15 results
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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 August 8, 2025.

The best time to book flights from Istanbul Airport to Seattle is 43 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 $388). 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 August 20, 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.

What is the cheapest day to fly from Istanbul Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Istanbul to Seattle. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Istanbul Airport to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 20, 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
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,388 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
3,949 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,337 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,289 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 50m. 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 $444. 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 $497, 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 $983 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 $534.

  • 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 $388). 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
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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 Spokane flights
Istanbul to Portland flights
Sabiha Gokcen to Portland 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$444Average$593FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$490Average$591FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$497Average$627FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$591Average$707FlexibilityNo cancel feeOn-time76%
DeltaCheapest$624Average$651FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$694Average$867FlexibilityNo cancel feeOn-time77%

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