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$408+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in April or November, booked 89 days in advance, depart on a Tuesday or Monday 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 February 19, 2026.

This KLM deal was found by Cheapflights users on 2/15. 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 2/245:55 pm
IST
-
SEA
1 stop28h 45m
KLM
Mon 4/201:45 pm
SEA
-
IST
1 stop25h 35m
KLM
Deal found 2/15$567
This KLM deal was found by Cheapflights users on 2/15. 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.
Mon 2/235:55 pm
IST
-
SEA
1 stop28h 45m
KLM
Mon 3/94:05 pm
SEA
-
IST
1 stop14h 50m
KLM
Deal found 2/15$568
This Air France deal was found by Cheapflights users on 2/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:55 pm
IST
-
SEA
1 stop28h 40m
KLM
Mon 3/99:00 am
SEA
-
IST
2 stops21h 55m
KLM
Deal found 2/17$570
This Air France deal was found by Cheapflights users on 2/15. 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.
Mon 2/234:50 am
IST
-
SEA
2 stops22h 58m
Multiple Airlines
Mon 4/201:45 pm
SEA
-
IST
1 stop25h 35m
Multiple Airlines
Deal found 2/15$579
This KLM deal was found by Cheapflights users on 2/16. 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.
Mon 3/25:55 pm
IST
-
SEA
1 stop28h 40m
Multiple Airlines
Mon 3/163:10 pm
SEA
-
IST
1 stop26h 40m
Multiple Airlines
Deal found 2/16$591
This KLM deal was found by Cheapflights users on 2/17. 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.
Tue 3/35:55 pm
IST
-
SEA
1 stop28h 40m
KLM
Wed 5/61:45 pm
SEA
-
IST
1 stop25h 35m
KLM
Deal found 2/17$613
This KLM deal was found by Cheapflights users on 2/17. 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.
Sun 3/155:55 pm
IST
-
SEA
2 stops31h 03m
KLM
Thu 4/165:30 pm
SEA
-
IST
1 stop21h 50m
KLM
Deal found 2/17$617
This Air France deal was found by Cheapflights users on 2/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:50 am
IST
-
SEA
2 stops22h 58m
Multiple Airlines
Wed 5/61:45 pm
SEA
-
IST
1 stop25h 35m
Multiple Airlines
Deal found 2/17$629
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:50 am
IST
-
SEA
1 stop17h 35m
Multiple Airlines
Thu 3/194:05 pm
SEA
-
IST
1 stop14h 50m
Multiple Airlines
Deal found 2/18$633
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:20 pm
IST
-
SEA
1 stop28h 25m
Delta
Sun 4/129:00 am
SEA
-
IST
2 stops21h 20m
Delta
Deal found 2/18$651
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:55 pm
IST
-
SEA
1 stop28h 40m
Delta
Fri 4/171:45 pm
SEA
-
IST
1 stop25h 35m
Delta
Deal found 2/17$652

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(KLM)

One-way from

$408
(KAYAK)

Popular in

August

Cheapest in

April

Average price

$710

Good round-trip deal

$340 or less

Good one-way deal

$687 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. 10% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 2026.
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 3/11

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Wed 4/22

5:30 pm-1:20 am

1 stop21h 50m

$567

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 3/4

4:50 am-6:49 pm

2 stops24h 59m

Seattle/Tacoma Intl

Thu 3/19

4:05 pm-4:55 pm

1 stop14h 50m

$641

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 3/17

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Sat 5/16

1:45 pm-1:20 am

1 stop25h 35m

$652

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 3/11

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Tue 4/14

1:45 pm-1:20 am

1 stop25h 35m

$652

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 3/11

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Mon 5/11

1:45 pm-1:20 am

1 stop25h 35m

$653

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 4/2

6:00 am-4:30 pm

1 stop20h 30m

Seattle/Tacoma Intl

Thu 4/9

9:00 am-1:20 am

2 stops30h 20m

$653

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 3/5

5:55 pm-11:35 am

1 stop28h 40m

Seattle/Tacoma Intl

Mon 3/9

4:05 pm-4:55 pm

1 stop14h 50m

$655

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 3/11

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Wed 4/22

11:10 am-1:20 am

2 stops28h 10m

$655

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sat 3/14

5:55 pm-6:40 pm

2 stops34h 45m

Seattle/Tacoma Intl

Tue 4/14

1:45 pm-1:20 am

1 stop25h 35m

$658

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 3/12

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Sat 4/18

6:40 pm-3:30 am

1 stop22h 50m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 21 results
1
2
3

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Seattle. Price data was last updated on February 18, 2026.

The best time to book flights from Istanbul Airport to Seattle is 87 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 $320). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $661). 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 February 19, 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 February 19, 2026.
Peruse reviews from past customers who have flown with KLM, United Airlines, 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.
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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
7.7
Good
1,459 reviews
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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
9,323 reviews
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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
7.3
Good
4,222 reviews
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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
7,789 reviews
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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
7,752 reviews
KLM
7.7
Good
1,459 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

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 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 28h 40m. 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 $515. 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 31% 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 Icelandair, 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 $594 for a flight from Istanbul Airport to Seattle. The cheapest flight overall is $320 while the most popular route, (Istanbul - Seattle/Tacoma Intl) is currently priced at $570.

  • 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 $320). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $661). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
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Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
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Marysville
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Chehalis

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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
Sabiha Gokcen 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$515Average$683FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$536Average$637FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$604Average$747FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$619Average$710FlexibilityNo cancel feeOn-time76%
DeltaCheapest$629Average$648FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$677Average$790FlexibilityNo cancel feeOn-time77%

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