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$380+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 9, 2026.

This KLM deal was found by Cheapflights users on 2/5. 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 3/45:55 pm
IST
-
SEA
1 stop28h 40m
KLM
Tue 3/315:30 pm
SEA
-
IST
1 stop21h 50m
KLM
Deal found 2/5$566
This Air France deal was found by Cheapflights users on 2/5. 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 3/34:50 am
IST
-
SEA
2 stops25h 10m
Multiple Airlines
Tue 3/311:45 pm
SEA
-
IST
1 stop25h 35m
Multiple Airlines
Deal found 2/5$577
This KLM deal was found by Cheapflights users on 2/7. 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 3/244:50 am
IST
-
SEA
1 stop17h 35m
KLM
Tue 3/315:30 pm
SEA
-
IST
1 stop21h 50m
KLM
Deal found 2/7$584
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/26:30 am
IST
-
SEA
1 stop16h 40m
Lufthansa
Mon 3/167:00 am
SEA
-
IST
2 stops29h 45m
Lufthansa
Deal found 2/6$600
This KLM deal was found by Cheapflights users on 2/5. 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 10/24:25 am
IST
-
SEA
1 stop16h 50m
KLM
Fri 10/95:35 pm
SEA
-
IST
1 stop21h 45m
KLM
Deal found 2/5$626
This KLM deal was found by Cheapflights users on 2/7. 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 6/224:25 am
IST
-
SEA
1 stop16h 50m
KLM
Mon 10/125:35 pm
SEA
-
IST
1 stop21h 45m
KLM
Deal found 2/7$646
This Delta deal was found by Cheapflights users on 2/6. 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.
Thu 2/125:55 pm
IST
-
SEA
1 stop28h 45m
Delta
Thu 2/196:10 am
SEA
-
IST
2 stops23h 45m
Delta
Deal found 2/6$653
This Mytrip deal was found by Cheapflights users on 2/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:20 am
SAW
-
SEA
2 stops19h 20m
Multiple Airlines
Thu 2/195:40 pm
SEA
-
SAW
2 stops20h 20m
Multiple Airlines
Deal found 2/6$709
This Vliegwinkel deal was found by Cheapflights users on 2/6. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:40 pm
SAW
-
SEA
1 stop33h 00m
Qatar Airways
Mon 3/165:05 pm
SEA
-
SAW
1 stop33h 05m
Qatar Airways
Deal found 2/6$829
This KLM deal was found by Cheapflights users on 2/6. 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 2/1212:55 pm
SAW
-
SEA
1 stop33h 45m
KLM
Thu 2/193:05 pm
SEA
-
SAW
1 stop15h 20m
KLM
Deal found 2/6$850
This KLM deal was found by Cheapflights users on 2/6. 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 2/224:00 pm
SAW
-
SEA
2 stops33h 33m
KLM
Sun 4/129:00 am
SEA
-
SAW
2 stops22h 05m
KLM
Deal found 2/6$856
This FlightHub deal was found by Cheapflights users on 2/7. 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.
Sun 3/81:40 pm
SAW
-
SEA
2 stops39h 00m
Qatar Airways
Sun 3/155:05 pm
SEA
-
SAW
1 stop33h 05m
Qatar Airways
Deal found 2/7$857

Find 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 February 9, 2026.

Round-trip from

$566
(KLM)

One-way from

$399
(Expedia)

Popular in

August

Cheapest in

April

Average price

$710
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. 7% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 9, 2026.
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

Wed 3/4

5:55 pm-11:35 am

1 stop28h 40m

Seattle/Tacoma Intl

Tue 3/31

5:30 pm-1:20 am

1 stop21h 50m

$566

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 3/24

4:50 am-12:25 pm

1 stop17h 35m

Seattle/Tacoma Intl

Tue 3/31

5:30 pm-1:20 am

1 stop21h 50m

$584

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 3/2

6:30 am-12:10 pm

1 stop16h 40m

Seattle/Tacoma Intl

Mon 3/16

3:00 pm-10:45 pm

1 stop21h 45m

$644

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 3/2

5:55 pm-11:35 am

1 stop28h 40m

Seattle/Tacoma Intl

Mon 3/16

7:20 am-4:55 pm

2 stops23h 35m

$653

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Tue 3/17

5:55 pm-12:35 pm

1 stop28h 40m

Seattle/Tacoma Intl

Mon 5/4

9:00 am-1:20 am

2 stops30h 20m

$653

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Fri 3/13

6:30 am-1:10 pm

1 stop16h 40m

Seattle/Tacoma Intl

Mon 3/23

3:00 pm-10:45 pm

1 stop21h 45m

$655

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 6/22

4:25 am-11:15 am

1 stop16h 50m

Seattle/Tacoma Intl

Mon 10/12

9:30 am-1:20 am

2 stops29h 50m

$659

IstanbulSeattle

SAW - SEA

SAWSEA

Istanbul Sabiha Gokcen

Mon 3/2

1:40 pm-11:40 am

1 stop33h 00m

Seattle/Tacoma Intl

Mon 3/16

5:05 pm-12:10 pm

1 stop33h 05m

$829

IstanbulSeattle

SAW - SEA

SAWSEA

Istanbul Sabiha Gokcen

Sun 2/22

4:00 pm-2:33 pm

2 stops33h 33m

Seattle/Tacoma Intl

Sun 4/12

9:00 am-5:05 pm

2 stops22h 05m

$856

IstanbulSeattle

SAW - SEA

SAWSEA

Istanbul Sabiha Gokcen

Tue 3/17

1:40 pm-12:16 pm

2 stops56h 36m

Seattle/Tacoma Intl

Mon 5/4

4:30 pm-12:10 pm

1 stop33h 40m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 35 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 February 6, 2026.

Booking 87 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 $320). Flying from Istanbul to Seattle in August is currently the most expensive (average of $658). 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 9, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul to Seattle as you normally would.

How much does it cost to fly round-trip from Istanbul to Seattle?

How often are flights from Istanbul to Seattle delayed?

About 21% of weekly flights between Istanbul and Seattle have experienced delays in the past year, with the average delay time being 115 minutes.

What is the most punctual flight time for Istanbul to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Istanbul to Seattle flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

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 9, 2026.
Peruse reviews from past customers who have flown with KLM, United Airlines, 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.
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,450 reviews
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,259 reviews
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,210 reviews
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,775 reviews
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,721 reviews
KLM
7.7
Good
1,450 reviews

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 are 0 daily inbound flights 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 16h 40m. Fly via KLM, Lufthansa, or Delta 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 $515. Other airlines that can offer you cheap pricing are British Airways, from $536, and United Airlines, from $604. Users have found that KLM is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Istanbul to Seattle one-way?

    $386 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Icelandair and Qatar Airways, with prices starting from $518 and $537, respectively.

  • What are the cheapest flights from Istanbul to Seattle?

    While on average a flight from Istanbul to Seattle is generally $830, our data shows the cheapest flight currently is $320. When looking at the most popular route, (Istanbul - Seattle/Tacoma Intl), you can expect to pay $646 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 $320). Flying from Istanbul to Seattle in August is currently the most expensive (average of $658). 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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Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
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Shoreline
Marysville
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Federal Way
Chehalis

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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$515Average$690FlexibilityNo 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$641FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$677Average$791FlexibilityNo cancel feeOn-time77%

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