$420+ 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
mai 10 — mai 171
Round-trip
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 April or November, booked 50 days in advance, depart on a Monday or Sunday and return on a Wednesday
Cheap flight deals from Istanbul to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Istanbul to SeattleExplore 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 abril 10, 2026.
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 abril 10, 2026.
This KLM deal was found by Cheapflights users on 4/7. 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.
qui 4/236:00 am
IST
- SEA
1 stop15h 45m
KLM
dom 5/35:35 pm
SEA
- IST
1 stop36h 45m
KLM
Deal found 4/7![KLM logo]()
$627
This KLM deal was found by Cheapflights users on 4/8. 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.
qui 5/75:20 pm
IST
- SEA
1 stop28h 22m
KLM
qui 5/145:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/8![KLM logo]()
$628
This KLM deal was found by Cheapflights users on 4/9. 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.
sex 4/245:20 pm
IST
- SEA
1 stop33h 10m
KLM
seg 2/12:40 pm
SEA
- IST
1 stop15h 15m
KLM
Deal found 4/9![KLM logo]()
$629
This KLM deal was found by Cheapflights users on 4/8. 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.
qui 4/166:00 am
IST
- SEA
1 stop20h 30m
Multiple Airlines
qua 5/276:40 pm
SEA
- IST
1 stop22h 50m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$638
This KLM deal was found by Cheapflights users on 4/9. 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.
sex 4/176:00 am
IST
- SEA
1 stop15h 45m
Multiple Airlines
qua 5/276:40 pm
SEA
- IST
1 stop22h 50m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$639
This Air France deal was found by Cheapflights users on 4/9. 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.
sex 4/246:00 am
IST
- SEA
2 stops20h 48m
Multiple Airlines
seg 2/111:15 am
SEA
- IST
2 stops19h 40m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$643
This KLM deal was found by Cheapflights users on 4/5. 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.
ter 5/195:20 pm
IST
- SEA
1 stop28h 22m
KLM
ter 5/265:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/5![KLM logo]()
$645
This KLM deal was found by Cheapflights users on 4/6. 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.
qui 5/216:00 am
IST
- SEA
1 stop20h 30m
KLM
qui 5/281:45 pm
SEA
- IST
1 stop25h 35m
KLM
Deal found 4/6![KLM logo]()
$647
This KLM deal was found by Cheapflights users on 4/8. 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.
qua 9/26:00 am
IST
- SEA
2 stops18h 45m
KLM
sex 10/25:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/8![KLM logo]()
$648
Best flights from Istanbul to SeattleDiscover carefully curated flight deals from Istanbul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 10, 2026.
Discover carefully curated flight deals from Istanbul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 10, 2026.
This KLM deal was found by Cheapflights users on 4/6. 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.
seg 5/46:00 am
IST
- SEA
1 stop15h 42m
KLM
seg 5/115:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/6![KLM logo]()
$627
This Delta deal was found by Cheapflights users on 4/9. 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.
qui 4/235:20 pm
IST
- SEA
1 stop33h 10m
Delta
seg 6/810:36 am
SEA
- IST
2 stops19h 44m
Delta
Deal found 4/9![Delta logo]()
$708
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 6/75:50 am
IST
- SEA
1 stop16h 30m
United Airlines
sáb 8/151:56 pm
SEA
- IST
2 stops21h 19m
United Airlines
Deal found 4/6![United Airlines logo]()
$709
This Lufthansa deal was found by Cheapflights users on 4/8. 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.
seg 5/183:45 am
IST
- SEA
2 stops18h 35m
Lufthansa
sáb 5/306:50 pm
SEA
- IST
2 stops16h 25m
Lufthansa
Deal found 4/8![Lufthansa logo]()
$789
This Delta deal was found by Cheapflights users on 4/9. 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.
sáb 4/256:00 am
IST
- SEA
1 stop15h 45m
Delta
ter 6/25:45 pm
SEA
- IST
1 stop21h 35m
Delta
Deal found 4/9![Delta logo]()
$708
This United Airlines deal was found by Cheapflights users on 4/9. 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.
dom 4/265:50 am
IST
- SEA
1 stop16h 30m
United Airlines
dom 6/72:10 pm
SEA
- IST
1 stop16h 50m
United Airlines
Deal found 4/9![United Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 4/9. 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.
ter 4/215:20 pm
IST
- SEA
1 stop28h 25m
Delta
dom 6/710:50 pm
SEA
- IST
2 stops31h 30m
Delta
Deal found 4/9![Delta logo]()
$713
This United Airlines deal was found by Cheapflights users on 4/8. 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.
qui 5/75:40 am
IST
- SEA
2 stops25h 13m
United Airlines
qui 5/148:10 am
SEA
- IST
2 stops27h 25m
United Airlines
Deal found 4/8![United Airlines logo]()
$717
This Lufthansa deal was found by Cheapflights users on 4/5. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 6/33:45 am
IST
- SEA
2 stops18h 35m
Lufthansa
sáb 6/206:50 pm
SEA
- IST
1 stop21h 15m
Lufthansa
Deal found 4/5![Lufthansa logo]()
$850
This Delta deal was found by Cheapflights users on 4/9. 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.
qui 4/236:00 am
IST
- SEA
1 stop15h 45m
Delta
dom 6/76:50 pm
SEA
- IST
1 stop22h 40m
Delta
Deal found 4/9![Delta logo]()
$714
This United Airlines deal was found by Cheapflights users on 4/8. 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.
sáb 5/235:50 am
IST
- SEA
2 stops27h 29m
United Airlines
qua 6/310:45 am
SEA
- IST
2 stops24h 40m
United Airlines
Deal found 4/8![United Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 6/285:50 am
IST
- SEA
2 stops21h 09m
United Airlines
dom 7/511:20 pm
SEA
- IST
2 stops31h 35m
United Airlines
Deal found 4/6![United Airlines logo]()
$866
Last-minute flights from Istanbul to SeattleDiscover last-minute flight deals from Istanbul to Seattle. Data last updated abril 10, 2026 and is based on user searches.
Discover last-minute flight deals from Istanbul to Seattle. Data last updated abril 10, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 4/8. 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.
qui 4/166:00 am
IST
- SEA
1 stop20h 30m
Multiple Airlines
qua 5/276:40 pm
SEA
- IST
1 stop22h 50m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$638
This KLM deal was found by Cheapflights users on 4/9. 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.
qui 4/166:00 am
IST
- SEA
2 stops20h 40m
KLM
qui 5/281:45 pm
SEA
- IST
1 stop25h 35m
KLM
Deal found 4/9![KLM logo]()
$649
This KLM deal was found by Cheapflights users on 4/9. 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.
sex 4/176:00 am
IST
- SEA
1 stop20h 30m
KLM
qui 5/281:45 pm
SEA
- IST
1 stop25h 35m
KLM
Deal found 4/9![KLM logo]()
$639
This KLM deal was found by Cheapflights users on 4/7. 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.
qui 4/236:00 am
IST
- SEA
1 stop15h 45m
KLM
dom 5/35:35 pm
SEA
- IST
1 stop36h 45m
KLM
Deal found 4/7![KLM logo]()
$627
This KLM deal was found by Cheapflights users on 4/9. 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.
sex 4/245:20 pm
IST
- SEA
1 stop33h 10m
KLM
seg 2/12:40 pm
SEA
- IST
1 stop15h 15m
KLM
Deal found 4/9![KLM logo]()
$629
This Air France deal was found by Cheapflights users on 4/9. 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.
sex 4/246:00 am
IST
- SEA
2 stops20h 48m
Multiple Airlines
seg 2/111:15 am
SEA
- IST
2 stops19h 40m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$643
This KLM deal was found by Cheapflights users on 4/8. 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.
qui 5/75:20 pm
IST
- SEA
1 stop28h 22m
KLM
qui 5/145:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/8![KLM logo]()
$628
This KLM deal was found by Cheapflights users on 4/5. 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.
ter 5/195:20 pm
IST
- SEA
1 stop28h 22m
KLM
ter 5/265:40 pm
SEA
- IST
1 stop21h 40m
KLM
Deal found 4/5![KLM logo]()
$645
This KLM deal was found by Cheapflights users on 4/6. 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.
qui 5/216:00 am
IST
- SEA
1 stop20h 30m
KLM
qui 5/281:45 pm
SEA
- IST
1 stop25h 35m
KLM
Deal found 4/6![KLM logo]()
$647
One-way flights from Istanbul to SeattleSearch for one-way flight options from Istanbul to Seattle. Find affordable one-way fares based on user searches. Data last updated abril 10, 2026.
Search for one-way flight options from Istanbul to Seattle. Find affordable one-way fares based on user searches. Data last updated abril 10, 2026.
This KAYAK deal was found by Cheapflights users on 4/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/51:20 pm
IST
- SEA
1 stop32h 15m
British Airways
Deal found 4/7![British Airways logo]()
$420
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/283:35 pm
IST
- SEA
1 stop30h 00m
British Airways
Deal found 4/6![British Airways logo]()
$421
This British Airways deal was found by Cheapflights users on 4/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/237:25 pm
IST
- SEA
2 stops32h 04m
British Airways
Deal found 4/5![British Airways logo]()
$428
This KAYAK deal was found by Cheapflights users on 4/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/98:15 am
IST
- SEA
2 stops21h 09m
British Airways
Deal found 4/7![British Airways logo]()
$430
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 6/258:15 am
IST
- SEA
2 stops23h 20m
British Airways
Deal found 4/9![British Airways logo]()
$431
This American Airlines deal was found by Cheapflights users on 4/9. 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.
ter 6/162:35 pm
IST
- SEA
2 stops41h 57m
American Airlines
Deal found 4/9![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 4/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/128:10 am
IST
- SEA
2 stops47h 35m
American Airlines
Deal found 4/5![American Airlines logo]()
$440
This Flysmarter deal was found by Cheapflights users on 4/5. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/128:10 am
IST
- SEA
1 stop20h 15m
British Airways
Deal found 4/5![British Airways logo]()
$464
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 abril 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $627 (KLM) |
One-way from | $420 (KAYAK) |
Popular in | August |
Cheapest in | April |
Average price | $655 |
Good round-trip deal | $774 or less |
Good one-way deal | $657 or less |
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 abril 10, 2026.
Use the filters below to find and compare flights from Istanbul Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
seg 5/4
6:00 am-11:42 am
1 stop15h 42m
Seattle/Tacoma Intl
seg 5/11
5:40 pm-1:20 am
1 stop21h 40m
$627
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
qui 4/23
5:20 pm-4:30 pm
1 stop33h 10m
Seattle/Tacoma Intl
seg 6/8
10:36 am-4:20 pm
2 stops19h 44m
$708
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
sáb 4/25
6:00 am-11:45 am
1 stop15h 45m
Seattle/Tacoma Intl
ter 6/2
5:45 pm-1:20 am
1 stop21h 35m
$708
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
dom 6/7
5:50 am-12:20 pm
1 stop16h 30m
Seattle/Tacoma Intl
sáb 8/15
1:56 pm-9:15 pm
2 stops21h 19m
$709
Quickest round-trip
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
dom 4/26
5:50 am-12:20 pm
1 stop16h 30m
Seattle/Tacoma Intl
dom 6/7
2:10 pm-5:00 pm
1 stop16h 50m
$713
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
ter 4/21
5:20 pm-11:45 am
1 stop28h 25m
Seattle/Tacoma Intl
dom 6/7
10:50 pm-4:20 pm
2 stops31h 30m
$713
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
qui 4/23
6:00 am-11:45 am
1 stop15h 45m
Seattle/Tacoma Intl
dom 6/7
6:50 pm-3:30 am
1 stop22h 40m
$714
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
qui 5/7
5:40 am-8:53 pm
2 stops25h 13m
Seattle/Tacoma Intl
qui 5/14
8:10 am-9:35 pm
2 stops27h 25m
$717
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
seg 5/18
3:45 am-12:20 pm
2 stops18h 35m
Seattle/Tacoma Intl
sáb 5/30
6:50 pm-9:15 pm
2 stops16h 25m
$789
IstanbulSeattle
IST - SEA
ISTSEA
Istanbul
qua 6/3
3:45 am-12:20 pm
2 stops18h 35m
Seattle/Tacoma Intl
sáb 6/20
6:50 pm-2:05 am
1 stop21h 15m
$850
Showing 1-10 of 22 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- 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.
IST-SEA
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
Prices
Airlines
Delays
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 3, 2026.
The best time to book flights from Istanbul Airport to Seattle is 50 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 $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 abril 10, 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 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 112 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 abril 10, 2026.
Peruse reviews from past customers who have flown with KLM,United Airlines, andTurkish 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.
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Crew
8.4
Overall
7.7
Boarding
7.8
Entertainment
7.1
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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Istanbul and Seattle flights
Browse other Istanbul and Seattle flight options. Last updated on abril 10, 2026.
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Top 5 airlines flying from Istanbul to Seattle
Discover the top 5 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 abril 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$516 | Average$662 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$536 | Average$626 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$604 | Average$718 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$629 | Average$708 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$644 | Average$809 | FlexibilityNo cancel fee | On-time77% |