HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$304+ Cheap flights from Seattle (SEA) to Istanbul (IST)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IST
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Istanbul 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 Seattle/Tacoma Intl to Istanbul are usually found in November or January, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Seattle to Istanbul

Cheapest flights from Seattle to Istanbul
Explore the most affordable flight options available from Seattle to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sat 9/53:55 pm
SEA
-
IST
1 stop25h 45m
Scandinavian Airlines
Tue 9/154:30 am
IST
-
SEA
1 stop19h 15m
Scandinavian Airlines
Deal found 1/25$546
This FlightHub deal was found by Cheapflights users on 1/25. 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 9/43:55 pm
SEA
-
IST
1 stop25h 45m
Scandinavian Airlines
Sat 9/194:30 am
IST
-
SEA
1 stop19h 15m
Scandinavian Airlines
Deal found 1/25$548
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Wed 4/296:50 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Tue 5/53:45 am
IST
-
SEA
1 stop23h 14m
Lufthansa
Deal found 1/25$549
This Justfly.com deal was found by Cheapflights users on 1/25. 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.
Wed 4/86:50 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Tue 4/145:40 am
IST
-
SEA
1 stop16h 40m
Lufthansa
Deal found 1/25$550
This Mytrip deal was found by Cheapflights users on 1/23. 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.
Wed 4/85:50 am
SEA
-
IST
2 stops29h 35m
Multiple Airlines
Tue 4/143:45 am
IST
-
SEA
1 stop23h 14m
Multiple Airlines
Deal found 1/23$551
This Expedia deal was found by Cheapflights users on 1/24. 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.
Sat 9/263:55 pm
SEA
-
IST
1 stop25h 45m
Scandinavian Airlines
Sat 10/34:30 am
IST
-
SEA
1 stop19h 15m
Scandinavian Airlines
Deal found 1/24$552
This Mytrip deal was found by Cheapflights users on 1/25. 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 2/268:00 am
SEA
-
IST
2 stops23h 05m
Multiple Airlines
Mon 3/96:30 am
IST
-
SEA
1 stop16h 40m
Multiple Airlines
Deal found 1/25$553
This Mytrip deal was found by Cheapflights users on 1/24. 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.
Tue 2/248:00 am
SEA
-
IST
2 stops22h 45m
Multiple Airlines
Tue 3/36:30 am
IST
-
SEA
1 stop16h 40m
Multiple Airlines
Deal found 1/24$554
This Mytrip deal was found by Cheapflights users on 1/24. 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.
Mon 4/65:50 am
SEA
-
IST
2 stops29h 35m
Multiple Airlines
Mon 4/203:45 am
IST
-
SEA
2 stops18h 35m
Multiple Airlines
Deal found 1/24$555
This KAYAK deal was found by Cheapflights users on 1/25. 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.
Sun 4/56:50 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Tue 4/143:45 am
IST
-
SEA
1 stop23h 14m
Lufthansa
Deal found 1/25$556
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/62:10 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Tue 4/145:40 am
IST
-
SEA
1 stop16h 40m
Lufthansa
Deal found 1/26$557
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
SEA
-
IST
1 stop18h 05m
British Airways
Tue 4/287:55 pm
IST
-
SEA
1 stop25h 40m
British Airways
Deal found 1/24$559

Find flight deals from Seattle to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Istanbul (IST). 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$549
(FlightHub)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$764

Good round-trip deal

$757 or less

Good one-way deal

$577 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Istanbul flights.
Search Deals
From Seattle/Tacoma Intl to Istanbul
Search Deals
One-way flight from Seattle/Tacoma Intl to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Istanbul.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Istanbul 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 January 26, 2026.
Use the filters below to find and compare flights from Seattle to Istanbul Airport that are best for you.

Fly from

Seattle

Fly to

Istanbul

Route

Depart

Return

Price

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 2/22

6:50 pm-5:30 pm

1 stop35h 40m

Istanbul

Wed 3/4

6:45 pm-4:55 pm

1 stop33h 10m

$562

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 4/6

2:10 pm-9:25 pm

1 stop21h 15m

Istanbul

Thu 4/16

5:40 am-12:20 pm

1 stop16h 40m

$563

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 4/7

2:10 pm-9:15 pm

1 stop21h 05m

Istanbul

Thu 4/16

5:40 am-12:20 pm

1 stop16h 40m

$563

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Wed 4/8

2:24 pm-9:25 pm

2 stops21h 01m

Istanbul

Tue 4/14

5:40 am-12:20 pm

1 stop16h 40m

$567

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 4/5

6:40 pm-3:30 am

1 stop22h 50m

Istanbul

Mon 4/13

5:20 pm-11:45 am

1 stop28h 25m

$574

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Wed 2/25

12:43 pm-6:05 pm

2 stops18h 22m

Istanbul

Mon 3/2

6:30 am-10:43 pm

2 stops27h 13m

$577

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 2/24

9:19 am-5:45 pm

2 stops21h 26m

Istanbul

Tue 3/3

6:30 am-9:01 pm

2 stops25h 31m

$577

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 2/24

10:55 am-5:45 pm

2 stops19h 50m

Istanbul

Fri 3/6

6:30 am-7:03 pm

2 stops23h 33m

$577

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 3/12

9:20 am-10:45 pm

2 stops27h 25m

Istanbul

Tue 3/17

6:30 am-10:45 pm

2 stops26h 15m

$577

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 2/22

8:17 am-6:05 pm

2 stops22h 48m

Istanbul

Mon 3/2

6:30 am-7:03 pm

2 stops23h 33m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
1
2

Compare providers for flights from Seattle to Istanbul

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 Seattle to Istanbul in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 Seattle-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Istanbul Airport 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 Seattle-Istanbul Airport 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 Seattle to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Seattle 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 Seattle to Istanbul Airport

How far ahead should I book a flight from Seattle to Istanbul Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Istanbul. Price data was last updated on January 23, 2026.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Istanbul Airport. 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 Seattle to Istanbul Airport?

Currently, February is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of $424). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $900). 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 SEA to IST?

Find hourly flight availability from Seattle to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

When flying from Seattle to Istanbul Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown KLM, Turkish Airlines, and Icelandair from Seattle to Istanbul Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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
1,443 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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
4,207 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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.
Icelandair
7.1
Good
603 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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
7,747 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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
7,702 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Boarding

7.8

Crew

8.4

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 Seattle to Istanbul. 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 from for flights from Seattle to Istanbul?

    If you book a flight to Istanbul from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Istanbul per day from 10 different airlines.

  • How long is the flight from Seattle to Istanbul Airport?

    Departing from Seattle to Istanbul Airport will take you 21h 01m. The distance from Seattle to Istanbul Airport is about 6051 mi. This flight may include one or multiple stops.

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

    Currently priced at $392, Icelandair will fly you from Seattle to Istanbul Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Lufthansa - these airlines can fly you to your destination from $490 and $515, respectively. You may be able to fly from Seattle to Istanbul Airport for 59% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $438. Users have also found prices from $511 and $525 on KLM and Delta, respectively.

  • What are the cheapest flights from Seattle to Istanbul Airport?

    Looking for the cheapest flight from Seattle to Istanbul Airport? While on average our users pay $1,786, our data indicates the cheapest price to be $502. The most popular route (Seattle/Tacoma Intl - Istanbul), is priced around $506.

  • Can I find deals for flights from Seattle to Istanbul that include hotel bookings?

    Yes. In addition to deals on Seattle to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Istanbul.

  • Can I find deals for business class flights from Seattle to Istanbul?

    Yes. Cheapflights offers flight deals from Seattle to Istanbul 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 Seattle to Istanbul Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of $424). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $900). 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
Yalova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Sabiha Gokcen flights
Portland to Istanbul flights
Portland to Sabiha Gokcen flights
Spokane to Istanbul flights
Spokane to Sabiha Gokcen flights

Top 10 airlines flying from Seattle to Istanbul

Discover the top 10 airlines that operate flights from Seattle to Istanbul. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$392Average$584FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$490Average$583FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$515Average$906FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$561Average$716FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$561Average$766FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$1,140FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$655Average$1,072FlexibilityNo cancel feeOn-time77%
KLMCheapest$679Average$883FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$735Average$960FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$897Average$949FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.