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$382+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in February or April, booked 84 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 November 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$551
(KLM)

One-way from

$382
(Billigflug)

Popular in

August

Cheapest in

February

Average price

$666

Good round-trip deal

$741 or less

Good one-way deal

$646 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.
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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. 7% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 18, 2025.

This Gotogate deal was found by Cheapflights users on 11/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:25 pmIST - SEA
1 stop15h 35mIcelandair
Wed 12/312:35 pmSEA - IST
1 stop22h 20mIcelandair
Deal found 11/18$607
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Mon 12/157:00 pmIST - SEA
1 stop28h 10mLufthansa
Wed 12/3110:52 amSEA - IST
2 stops24h 53mLufthansa
Deal found 11/18$611
This Air France deal was found by Cheapflights users on 11/17. 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.
Sun 11/235:55 pmIST - SEA
1 stop28h 50mKLM
Fri 3/139:30 amSEA - IST
2 stops21h 25mKLM
Deal found 11/17$646
This Delta deal was found by Cheapflights users on 11/17. 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.
Sun 11/235:55 pmIST - SEA
1 stop28h 50mDelta
Tue 3/107:20 amSEA - IST
2 stops34h 30mDelta
Deal found 11/17$653
This Delta deal was found by Cheapflights users on 11/17. 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.
Sun 11/235:55 pmIST - SEA
2 stops32h 04mDelta
Mon 3/99:30 pmSEA - IST
2 stops44h 20mDelta
Deal found 11/17$658
This Delta deal was found by Cheapflights users on 11/18. 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 12/144:50 amIST - SEA
2 stops28h 09mDelta
Wed 12/315:25 amSEA - IST
2 stops24h 30mDelta
Deal found 11/18$660
This Delta deal was found by Cheapflights users on 11/17. 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.
Sun 11/235:55 pmIST - SEA
1 stop28h 50mDelta
Thu 3/1212:00 pmSEA - IST
2 stops29h 50mDelta
Deal found 11/17$664

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 November 18, 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 1/19

5:55 pm-11:50 am

1 stop28h 55m

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-4:55 pm

1 stop14h 45m

$551

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 1/18

5:55 pm-11:50 am

1 stop28h 55m

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-4:55 pm

1 stop14h 45m

$553

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 1/13

5:55 pm-11:50 am

1 stop28h 55m

Seattle/Tacoma Intl

Wed 1/28

3:10 pm-4:55 pm

1 stop14h 45m

$597

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 3/4

4:50 am-11:25 am

1 stop17h 35m

Seattle/Tacoma Intl

Mon 3/9

9:55 pm-4:55 pm

2 stops33h 00m

$638

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 2/27

4:50 am-10:25 pm

2 stops28h 35m

Seattle/Tacoma Intl

Wed 3/4

9:59 pm-4:55 pm

2 stops31h 56m

$639

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 3/6

6:30 am-10:59 pm

2 stops27h 29m

Seattle/Tacoma Intl

Wed 3/25

12:35 pm-10:45 pm

2 stops24h 10m

$651

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 3/1

6:30 am-8:56 pm

2 stops25h 26m

Seattle/Tacoma Intl

Mon 3/23

3:00 pm-10:45 pm

1 stop21h 45m

$651

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 12/15

6:30 am-8:54 pm

2 stops25h 24m

Seattle/Tacoma Intl

Wed 12/31

10:52 am-10:45 pm

2 stops24h 53m

$652

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 1/18

4:50 am-1:25 pm

1 stop19h 35m

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-4:55 pm

1 stop14h 45m

$652

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 1/22

7:35 am-4:55 pm

1 stop20h 20m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 20 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 November.
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 November 14, 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 November 18, 2025.

It’s typically best to fly out from Istanbul Airport to Seattle in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 November 18, 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
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,411 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,047 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,576 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,528 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 55m. 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 $704 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 $551.

  • 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
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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.
Sabiha Gokcen to Seattle flights
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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$440Average$616FlexibilityNo 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$829FlexibilityNo cancel feeOn-time77%

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