$437+ Cheap flights from Istanbul (IST) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
IST — SEA
Oct 13 — Oct 201
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 February, booked 11 days in advance, depart on a Monday or Sunday and return on a Tuesday
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 September 13, 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 September 13, 2026.
This IEagle deal was found by Cheapflights users on 9/10. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:40 am -
1 stop20h 10m
Wed 2/176:50 pm -
1 stop18h 35m
Deal found 9/10![Multiple Airlines logo]()
$666
This KLM deal was found by Cheapflights users on 9/11. 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 10/86:00 am -
1 stop20h 35m
Wed 10/216:40 pm -
1 stop22h 50m
Deal found 9/11![Multiple Airlines logo]()
$668
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:40 am -
1 stop20h 10m
Wed 2/176:12 am -
2 stops24h 18m
Deal found 9/10![British Airways logo]()
$679
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:40 am -
2 stops25h 31m
Sun 1/106:45 pm -
1 stop19h 05m
Deal found 9/8![British Airways logo]()
$686
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:45 am -
1 stop23h 14m
Wed 10/212:10 pm -
1 stop21h 15m
Deal found 9/9![Lufthansa logo]()
$696
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 September 13, 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 September 13, 2026.
This KLM deal was found by Cheapflights users on 9/8. 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.
Tue 3/97:15 am -
1 stop17h 35m
Tue 3/165:05 pm -
1 stop14h 40m
Deal found 9/8![KLM logo]()
$668
This KLM deal was found by Cheapflights users on 9/9. 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.
Thu 10/86:00 am -
1 stop20h 35m
Wed 10/216:40 pm -
1 stop22h 50m
Deal found 9/9![Multiple Airlines logo]()
$669
This British Airways deal was found by Cheapflights users on 9/12. 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 1/216:35 pm -
1 stop33h 15m
Sun 1/246:45 pm -
1 stop35h 50m
Deal found 9/12![British Airways logo]()
$694
This British Airways deal was found by Cheapflights users on 9/12. 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 10/88:15 am -
2 stops24h 44m
Wed 10/218:20 pm -
1 stop18h 05m
Deal found 9/12![British Airways logo]()
$703
This British Airways deal was found by Cheapflights users on 9/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:40 am -
2 stops25h 51m
Wed 2/176:45 pm -
1 stop18h 40m
Deal found 9/9![British Airways logo]()
$704
Last-minute flights from Istanbul to SeattleDiscover last-minute flight deals from Istanbul to Seattle. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Istanbul to Seattle. Data last updated September 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/12. 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 9/165:20 pm -
1 stop28h 27m
Tue 9/295:45 pm -
1 stop21h 35m
Deal found 9/12![Delta logo]()
$711
This British Airways deal was found by Cheapflights users on 9/10. 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 9/178:05 pm -
2 stops36h 52m
Sun 9/276:15 am -
2 stops27h 00m
Deal found 9/10![British Airways logo]()
$703
This British Airways deal was found by Cheapflights users on 9/10. 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.
Tue 10/68:15 am -
2 stops24h 44m
Tue 11/246:45 pm -
1 stop19h 15m
Deal found 9/10![British Airways logo]()
$704
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:45 am -
1 stop23h 14m
Wed 10/212:10 pm -
1 stop21h 15m
Deal found 9/9![Lufthansa logo]()
$696
This KLM deal was found by Cheapflights users on 9/11. 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 10/86:00 am -
1 stop20h 35m
Wed 10/216:40 pm -
1 stop22h 50m
Deal found 9/11![Multiple Airlines logo]()
$668
This Kissandfly.com deal was found by Cheapflights users on 9/9. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop15h 52m
Wed 10/215:45 pm -
1 stop36h 35m
Deal found 9/9![KLM logo]()
$706
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 September 13, 2026.
Search for one-way flight options from Istanbul to Seattle. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
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.
Mon 11/236:30 pm -
1 stop33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$437
This KAYAK deal was found by Cheapflights users on 9/9. 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.
Mon 11/98:25 am -
1 stop19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$438
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:55 pm -
1 stop28h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$447
This British Airways deal was found by Cheapflights users on 9/11. 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 11/156:50 pm -
1 stop33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![British Airways logo]()
$488
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $666 (IEagle) |
One-way from | $437 (British Airways) |
Popular in | August |
Cheapest in | April |
Average price | $751 |
Good round-trip deal | $1,065 or less |
Good one-way deal | $727 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 7,457,451 searches. Data last updated September 13, 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 Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Mon 11/23
6:30 pm-4:50 pm
1 stop33h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$438
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Mon 11/9
8:25 am-8:20 pm
2 stops22h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$445
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Sun 11/15
6:50 pm-4:50 pm
1 stop33h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$488
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Sun 11/29
6:50 pm-2:39 pm
2 stops54h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$526
Quickest round-trip
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Wed 9/30
5:40 am-11:55 am
1 stop16h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$576
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Sat 10/3
3:45 am-4:59 pm
1 stop23h 14m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$583
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Mon 10/5
5:50 am-12:20 pm
1 stop16h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$629
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Tue 3/9
7:15 am-1:50 pm
1 stop17h 35m
Seattle/Tacoma Intl
Tue 3/16
5:05 pm-5:45 pm
1 stop14h 40m
$668
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Thu 10/8
6:00 am-4:35 pm
1 stop20h 35m
Seattle/Tacoma Intl
Wed 10/21
6:40 pm-3:30 am
1 stop22h 50m
$669
IstanbulSeattle
IST Istanbul - SEA Seattle/Tacoma Intl
ISTSEA
Istanbul
Thu 1/21
6:35 pm-4:50 pm
1 stop33h 15m
Seattle/Tacoma Intl
Sun 1/24
6:45 pm-5:35 pm
1 stop35h 50m
$694
Showing 1-10 of 12 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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?
The best time to book flights from Istanbul Airport to Seattle is 10 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, April is the cheapest month in which you can book a flight from Istanbul Airport to Seattle (average of $659). Flying from Istanbul Airport to Seattle in August is currently the most expensive (average of $979). 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 13, 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 19% of weekly flights between Istanbul and Seattle have experienced delays in the past year, with the average delay time being 110 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?
Monday 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 19% 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 September 13, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, 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.
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Food
7.3
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Istanbul to Seattle by cabin class
Find flights from Istanbul to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Istanbul and Seattle flights
Browse other Istanbul and Seattle flight options. Last updated on September 13, 2026.
Other flights from Istanbul
Browse through other flights departing from Istanbul. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$551 | Average$629 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$593 | Average$816 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$645 | Average$718 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$652 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$655 | Average$732 | FlexibilityNo cancel fee | On-time76% |