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$378+ Cheap flights from Istanbul 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 15 — Oct 221
Wed 10/15
Wed 10/22
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 (TR5) 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 15, 2025.

Round-trip from

$493
(KLM)

One-way from

$378
(Cheapflightsfares)

Popular in

August

Cheapest in

February

Average price

$777
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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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 15, 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.
Thu 10/234:20 amIST - SEA
1 stop23h 20mKLM
Wed 1/73:10 pmSEA - IST
1 stop14h 45mKLM
Deal found 9/15$501
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
Tue 1/69:40 amSEA - IST
2 stops20h 15mKLM
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
This KLM deal was found by Cheapflights users on 9/13. 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 stop33h 00mKLM
Wed 10/86:35 pmSEA - IST
1 stop22h 50mKLM
Deal found 9/13$522
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 1/52:00 pmSEA - IST
1 stop26h 50mKLM
Deal found 9/15$524
This British Airways deal was found by Cheapflights users on 9/14. 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.
Thu 10/237:55 pmIST - SEA
1 stop32h 25mBritish Airways
Mon 10/272:52 pmSEA - IST
2 stops23h 13mBritish Airways
Deal found 9/14$537
This British Airways deal was found by Cheapflights users on 9/13. 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 10/54:10 pmIST - SEA
1 stop29h 25mBritish Airways
Sun 10/262:52 pmSEA - IST
2 stops36h 58mBritish Airways
Deal found 9/13$538
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 9/305:05 pmIST - SEA
1 stop28h 45mKLM
Tue 10/146:35 pmSEA - IST
1 stop22h 50mKLM
Deal found 9/15$539
This Air France deal was found by Cheapflights users on 9/14. 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 9/256:10 amIST - SEA
1 stop19h 55mMultiple Airlines
Wed 10/86:35 pmSEA - IST
1 stop22h 50mMultiple Airlines
Deal found 9/14$541
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.
Sun 10/58:50 amSAW - SEA
1 stop37h 00mKLM
Sun 10/264:00 pmSEA - SAW
1 stop15h 25mKLM
Deal found 9/15$687
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 10/238:45 amSAW - SEA
1 stop17h 20mKLM
Wed 1/73:10 pmSEA - SAW
1 stop15h 15mKLM
Deal found 9/15$689
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 10/2312:45 pmSAW - SEA
1 stop33h 05mKLM
Tue 1/611:25 amSEA - SAW
2 stops19h 00mKLM
Deal found 9/15$698

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 15, 2025.
Use the filters below to find and compare flights from Istanbul to Seattle that are best for you.

Fly from

Istanbul

Fly to

Seattle

Route

Depart

Return

Price

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 10/23

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Wed 1/7

11:25 am-4:55 pm

2 stops18h 30m

$505

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

Fri 10/24

8:25 pm-11:35 am

1 stop25h 10m

Seattle/Tacoma Intl

Thu 1/8

8:00 am-1:10 am

2 stops30h 10m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 10/24

8:25 pm-11:35 am

1 stop25h 10m

Seattle/Tacoma Intl

Tue 1/6

1:25 pm-1:00 am

1 stop24h 35m

$537

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

Tue 9/30

5:05 pm-11:50 am

1 stop28h 45m

Seattle/Tacoma Intl

Tue 10/14

6:35 pm-3:25 am

1 stop22h 50m

$539

IstanbulSeattle

SAW - SEA

SAWSEA

Istanbul Sabiha Gokcen

Wed 11/5

3:45 pm-11:45 am

1 stop31h 00m

Seattle/Tacoma Intl

Sun 11/30

3:00 pm-5:25 pm

1 stop15h 25m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 33 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 to Seattle

How far ahead should I book a flight from Istanbul 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.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Istanbul to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Istanbul to Seattle?

Currently, January is the cheapest month in which you can book a flight from Istanbul to Seattle (average of $238). Flying from Istanbul 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 15, 2025.

It’s typically best to fly out from Istanbul 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.

Weekly flight availability from Istanbul 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 September 15, 2025.

The most flights from TR5 to SEA are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Istanbul 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 15, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Turkish Airlines from Istanbul 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
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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
1,385 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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
3,968 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

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?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Istanbul. Booking flights from Istanbul to Seattle/Tacoma Intl (SEA) should be relatively easy as there is 1 daily inbound flight from Istanbul from 6 different airlines.

  • How long is the flight from Istanbul to Seattle?

    There are many flights that can get you from Istanbul to Seattle in 23h 20m. Fly via KLM or British Airways to get the fastest option. The distance from Istanbul to Seattle is about 6051 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Istanbul to Seattle round-trip?

    Cheapflights users have booked flights from Istanbul to Seattle round-trip from $440. Other airlines that can offer you cheap pricing are American Airlines, from $490, and British Airways, from $495. Users have found that KLM is 40% cheaper than the other options available to this destination.

  • What are the cheapest flights from Istanbul to Seattle?

    While on average a flight from Istanbul to Seattle is generally $961, our data shows the cheapest flight currently is $652. When looking at the most popular route, (Istanbul - Seattle/Tacoma Intl), you can expect to pay $537 for that flight.

  • 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 to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Istanbul to Seattle (average of $238). Flying from Istanbul 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
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
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Issaquah
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Shoreline

Browse thousands of different options on Cheapflights for your next trip

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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 15, 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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