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$385+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Istanbul to Seattle/Tacoma Intl are usually found in February or April, booked 59 days in advance, depart on a Wednesday or Thursday 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$528
(KLM)

One-way from

$385
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$615

Good round-trip deal

$693 or less

Good one-way deal

$659 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. 18% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Icelandair deal was found by Cheapflights users on 4/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:05 amIST - SEA
1 stop23h 35mIcelandair
Sun 9/143:45 pmSEA - IST
1 stop22h 10mIcelandair
Deal found 4/16$481
This KLM deal was found by Cheapflights users on 4/16. 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 5/15:05 pmIST - SEA
1 stop32h 52mKLM
Sun 5/111:55 pmSEA - IST
1 stop16h 25mKLM
Deal found 4/16$524
This Air France deal was found by Cheapflights users on 4/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:05 pmIST - SEA
1 stop32h 50mMultiple Airlines
Wed 10/86:35 pmSEA - IST
1 stop22h 50mMultiple Airlines
Deal found 4/16$529
This British Airways deal was found by Cheapflights users on 4/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/44:10 pmIST - SEA
1 stop29h 25mBritish Airways
Fri 6/61:30 pmSEA - IST
1 stop19h 20mBritish Airways
Deal found 4/16$537
This Air France deal was found by Cheapflights users on 4/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:20 amIST - SEA
1 stop23h 05mAir France
Wed 9/101:30 pmSEA - IST
1 stop27h 55mAir France
Deal found 4/16$553
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:10 amIST - SEA
2 stops24h 31mUnited Airlines
Wed 10/87:05 amSEA - IST
3 stops28h 15mUnited Airlines
Deal found 4/16$609
This Lufthansa deal was found by Cheapflights users on 4/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:10 amIST - SEA
1 stop16h 15mLufthansa
Wed 10/152:20 pmSEA - IST
1 stop21h 00mLufthansa
Deal found 4/15$620
This Flightnetwork deal was found by Cheapflights users on 4/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:15 amIST - SEA
2 stops22h 22mAir Canada
Thu 5/157:20 amSEA - IST
2 stops25h 35mAir Canada
Deal found 4/15$621
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:15 amIST - SEA
2 stops23h 35mAmerican Airlines
Mon 5/265:40 pmSEA - IST
2 stops20h 50mAmerican Airlines
Deal found 4/17$623
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:05 pmIST - SEA
1 stop28h 35mDelta
Tue 10/2112:40 amSEA - IST
2 stops29h 40mDelta
Deal found 4/15$641
This Justfly.com deal was found by Cheapflights users on 4/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:55 pmIST - SEA
Nonstop12h 20mTurkish Airlines
Mon 5/267:10 pmSEA - IST
Nonstop11h 50mTurkish Airlines
Deal found 4/16$710

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 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

Tue 9/9

7:05 am-8:40 pm

1 stop23h 35m

Seattle/Tacoma Intl

Sun 9/14

3:45 pm-11:55 pm

1 stop22h 10m

$481

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 5/1

5:05 pm-3:57 pm

1 stop32h 52m

Seattle/Tacoma Intl

Sun 5/11

1:55 pm-4:20 pm

1 stop16h 25m

$524

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 6/18

5:05 pm-3:55 pm

1 stop32h 50m

Seattle/Tacoma Intl

Wed 10/8

6:35 pm-3:25 am

1 stop22h 50m

$529

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 5/4

4:10 pm-11:35 am

1 stop29h 25m

Seattle/Tacoma Intl

Fri 6/6

1:30 pm-6:50 pm

1 stop19h 20m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 5/5

4:20 am-5:25 pm

1 stop23h 05m

Seattle/Tacoma Intl

Wed 9/10

1:30 pm-3:25 am

1 stop27h 55m

$553

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 6/18

6:10 am-8:41 pm

2 stops24h 31m

Seattle/Tacoma Intl

Wed 10/8

7:05 am-9:20 pm

3 stops28h 15m

$609

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 6/18

6:10 am-12:25 pm

1 stop16h 15m

Seattle/Tacoma Intl

Tue 10/14

2:20 pm-9:20 pm

1 stop21h 00m

$620

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 5/9

7:15 am-7:37 pm

2 stops22h 22m

Seattle/Tacoma Intl

Thu 5/15

7:20 am-6:55 pm

2 stops25h 35m

$621

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 5/13

8:15 am-9:50 pm

2 stops23h 35m

Seattle/Tacoma Intl

Mon 5/26

5:40 pm-12:30 am

2 stops20h 50m

$623

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 6/25

5:05 pm-11:40 am

1 stop28h 35m

Seattle/Tacoma Intl

Wed 10/22

7:30 am-4:20 pm

2 stops22h 50m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 23 results
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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*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
OneTravelPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Istanbul Airport-Seattle flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 2025.

The best time to book flights from Istanbul Airport to Seattle is 59 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 July is currently the most expensive (average of $411). 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 17, 2025.

It’s typically best to fly out from Istanbul Airport to Seattle in the evening. Doing so could potentially save you 31% on the flight price compared to flying at noon, 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 March 30, 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. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Istanbul Airport to Seattle

Explore weekly flight availability from Istanbul to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from IST to SEA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 17, 2025.
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
438 reviews
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Emirates
8.0
Very good
3,200 reviews
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,916 reviews
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,327 reviews
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Air France
7.5
Good
1,435 reviews
Asiana Airlines
8.2
Very good
438 reviews

Overall

8.2

Food

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.7

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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 7 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.

  • 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 $528. Additional round-trip tickets that might be worth considering are offered by British Airways and Icelandair, with the lowest prices starting at $545 and $563, 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 British Airways, with whom users have recently found tickets for as low as $563. However, be on the lookout for offers from Icelandair and KLM, 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 $692 for a flight from Istanbul Airport to Seattle. The cheapest flight overall is $599 while the most popular route, (Istanbul - Seattle/Tacoma Intl) is currently priced at $524.

  • 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 July is currently the most expensive (average of $411). 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 Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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.
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Top 7 airlines flying from Istanbul to Seattle

Discover the top 7 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$440Average$584FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$490Average$594FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$549Average$649FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$585Average$689FlexibilityNo cancel feeOn-time76%
DeltaCheapest$624Average$667FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$980FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$701Average$870FlexibilityNo cancel feeOn-time77%

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