HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$284+ Cheap flights from Seattle (SEA) to Istanbul

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IST
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 March or February, booked 85 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 (TR5). 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 17, 2025.

Round-trip from

$788
(KLM)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,050
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. 9% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 17, 2025.

This KLM deal was found by Cheapflights users on 9/16. 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 10/146:35 pmSEA - IST
1 stop22h 50mKLM
Mon 11/34:50 amIST - SEA
1 stop17h 35mKLM
Deal found 9/16$788
This KLM deal was found by Cheapflights users on 9/16. 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 11/511:15 amSEA - IST
2 stops18h 40mKLM
Wed 11/265:55 pmIST - SEA
2 stops31h 53mKLM
Deal found 9/16$795
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/233:45 pmSEA - IST
2 stops19h 00mMultiple Airlines
Wed 11/57:20 pmIST - SEA
3 stops32h 40mMultiple Airlines
Deal found 9/16$796
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:46 pmSEA - IST
2 stops23h 24mBritish Airways
Thu 11/137:35 amIST - SEA
2 stops26h 30mBritish Airways
Deal found 9/15$797
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:55 pmSEA - IST
2 stops23h 25mMultiple Airlines
Mon 10/208:25 pmIST - SEA
3 stops32h 11mMultiple Airlines
Deal found 9/15$800
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/313:35 pmSEA - IST
3 stops23h 05mMultiple Airlines
Fri 11/77:35 pmIST - SEA
3 stops32h 25mMultiple Airlines
Deal found 9/16$806
This KLM deal was found by Cheapflights users on 9/16. 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 10/236:35 pmSEA - IST
1 stop22h 50mKLM
Wed 11/55:55 pmIST - SEA
1 stop28h 50mKLM
Deal found 9/16$809
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Sat 11/13:35 pmSEA - IST
1 stop22h 20mIcelandair
Fri 11/712:25 pmIST - SEA
1 stop15h 35mIcelandair
Deal found 9/16$814
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Sat 11/13:35 pmSEA - IST
1 stop22h 20mIcelandair
Fri 11/1412:25 pmIST - SEA
1 stop15h 35mIcelandair
Deal found 9/16$816
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/17:00 pmSEA - IST
3 stops33h 55mMultiple Airlines
Thu 10/94:45 amIST - SEA
2 stops25h 55mMultiple Airlines
Deal found 9/16$817
This Air France deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:05 pmSEA - IST
1 stop14h 50mMultiple Airlines
Mon 12/224:50 amIST - SEA
2 stops22h 43mMultiple Airlines
Deal found 9/14$819
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:40 pmSEA - SAW
2 stops20h 40mKLM
Sat 11/89:00 amSAW - SEA
2 stops24h 03mKLM
Deal found 9/15$824

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 September 17, 2025.
Use the filters below to find and compare flights from Seattle to Istanbul that are best for you.

Fly from

Seattle

Fly to

Istanbul

Route

Depart

Return

Price

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 10/23

6:35 pm-3:25 am

1 stop22h 50m

Istanbul

Tue 11/4

4:50 am-2:48 pm

2 stops20h 58m

$804

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 9/30

6:45 pm-3:25 am

1 stop22h 40m

Istanbul

Wed 10/29

5:55 pm-12:45 pm

1 stop28h 50m

$809

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 10/23

6:35 pm-3:25 am

1 stop22h 50m

Istanbul

Wed 11/5

5:55 pm-11:45 am

1 stop28h 50m

$809

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Wed 10/1

7:00 pm-2:55 pm

3 stops33h 55m

Istanbul

Thu 10/9

4:45 am-8:40 pm

2 stops25h 55m

$817

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 11/29

1:35 pm-1:10 am

1 stop24h 35m

Istanbul

Sat 12/13

6:40 pm-4:55 pm

1 stop33h 15m

$827

SeattleIstanbul

SEA - SAW

SEASAW

Seattle/Tacoma Intl

Sun 11/30

3:00 pm-9:20 pm

1 stop19h 20m

Istanbul Sabiha Gokcen

Sun 12/14

9:00 am-11:50 am

1 stop37h 50m

$830

SeattleIstanbul

SEA - SAW

SEASAW

Seattle/Tacoma Intl

Thu 10/23

2:10 pm-9:05 pm

1 stop20h 55m

Istanbul Sabiha Gokcen

Wed 11/5

3:45 pm-11:45 am

1 stop31h 00m

$830

SeattleIstanbul

SEA - SAW

SEASAW

Seattle/Tacoma Intl

Thu 10/23

5:40 pm-9:05 pm

1 stop17h 25m

Istanbul Sabiha Gokcen

Tue 11/4

12:55 pm-11:45 am

1 stop33h 50m

$830

SeattleIstanbul

SEA - SAW

SEASAW

Seattle/Tacoma Intl

Thu 10/16

5:40 pm-9:05 pm

1 stop17h 25m

Istanbul Sabiha Gokcen

Thu 10/30

12:55 pm-12:45 pm

1 stop33h 50m

$830

SeattleIstanbul

SEA - SAW

SEASAW

Seattle/Tacoma Intl

Sun 11/30

3:00 pm-9:20 pm

1 stop19h 20m

Istanbul Sabiha Gokcen

Sat 12/13

9:00 am-11:50 am

1 stop37h 50m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 44 results
1
2
3
...
5

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Istanbul. Price data was last updated on September 12, 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Istanbul. 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?

Currently, October is the cheapest month in which you can book a flight from Seattle to Istanbul (average of $910). Flying from Seattle to Istanbul in June is currently the most expensive (average of $1,358). 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 September 17, 2025.

One of the essential ways to save on airfare from Seattle to Istanbul is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 7% on airfare.

What is the cheapest day to fly from Seattle to Istanbul?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Istanbul. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Seattle to Istanbul flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Istanbul

Explore weekly flight availability from Seattle to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

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

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 September 17, 2025.
Read through reviews of airlines operating flights from Seattle to Istanbul, such as Delta, KLM, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qatar Airways
7.4
Good
3,624 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    For a flight from Seattle to Istanbul, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 outbound flight to Istanbul per day. 8 airlines have flights to Istanbul from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Istanbul?

    KLM and British Airways can get you from Seattle to Istanbul in just under 22h 40m. Your travel time can differ by up to 1h 55m. The distance from Seattle to Istanbul 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 Seattle to Istanbul round-trip?

    Icelandair, at $543, was found to be the cheapest airline from Seattle to Istanbul.Alternate airlines to your destination round-trip include United Airlines and Delta. Icelandair is currently priced 49% below the average price you’ll pay for this route.

  • What are the cheapest flights from Seattle to Istanbul?

    Looking at all options, your cheapest flight can be booked for $421. While the most popular route (Seattle/Tacoma Intl - Istanbul) can be booked for $574 on average, our data indicates $1,208 when flying from Seattle to Istanbul.

  • 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?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Istanbul (average of $910). Flying from Seattle to Istanbul in June is currently the most expensive (average of $1,358). 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

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.

Top 8 airlines flying from Seattle to Istanbul

Discover the top 8 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$683FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$664Average$791FlexibilityNo cancel feeOn-time69%
DeltaCheapest$669Average$885FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$669Average$896FlexibilityNo cancel feeOn-time76%
KLMCheapest$681Average$847FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$726Average$831FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$857Average$1,103FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$894Average$967FlexibilityNo 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.