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$281+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IST
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Istanbul are usually found in February or March, 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 February 8, 2026.

This KAYAK deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:50 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Mon 4/203:45 am
IST
-
SEA
2 stops25h 15m
Lufthansa
Deal found 2/6$567
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:42 am
SEA
-
IST
2 stops26h 43m
United Airlines
Thu 4/165:40 am
IST
-
SEA
1 stop16h 40m
United Airlines
Deal found 2/5$568
This KAYAK deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:10 pm
SEA
-
IST
1 stop21h 15m
Lufthansa
Tue 4/215:40 am
IST
-
SEA
1 stop16h 40m
Lufthansa
Deal found 2/6$569
This BusinessClass deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass 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
Wed 5/61:55 pm
IST
-
SEA
2 stops38h 35m
Lufthansa
Deal found 2/6$570
This KAYAK deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:24 pm
SEA
-
IST
2 stops25h 41m
Lufthansa
Wed 4/293:45 am
IST
-
SEA
2 stops25h 15m
Lufthansa
Deal found 2/7$571
This KAYAK deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 am
SEA
-
IST
2 stops33h 05m
Lufthansa
Thu 4/235:40 am
IST
-
SEA
2 stops23h 20m
Lufthansa
Deal found 2/6$572
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:10 pm
SEA
-
IST
1 stop21h 15m
United Airlines
Tue 4/215:40 am
IST
-
SEA
2 stops25h 17m
United Airlines
Deal found 2/7$573
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:00 pm
SEA
-
IST
1 stop21h 45m
United Airlines
Wed 3/256:30 am
IST
-
SEA
2 stops26h 15m
United Airlines
Deal found 2/6$574
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:40 pm
SEA
-
IST
1 stop22h 50m
Delta
Thu 4/236:00 am
IST
-
SEA
1 stop20h 30m
Delta
Deal found 2/8$575
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:12 am
SEA
-
IST
2 stops28h 13m
United Airlines
Tue 4/145:40 am
IST
-
SEA
2 stops26h 13m
United Airlines
Deal found 2/5$576
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:37 pm
SEA
-
IST
2 stops24h 28m
American Airlines
Wed 3/187:35 am
IST
-
SEA
2 stops24h 22m
American Airlines
Deal found 2/6$577
This KLM deal was found by Cheapflights users on 2/8. 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 3/311:45 pm
SEA
-
SAW
1 stop21h 15m
KLM
Tue 4/148:50 am
SAW
-
SEA
1 stop36h 55m
KLM
Deal found 2/8$593

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 (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 February 8, 2026.

Round-trip from

$567
(KAYAK)

One-way from

$281
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$719
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 ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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 February 8, 2026.
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

Tue 4/7

11:35 am-9:15 pm

2 stops23h 40m

Istanbul

Fri 4/17

5:40 am-12:20 pm

1 stop16h 40m

$568

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 4/6

8:42 am-9:25 pm

2 stops26h 43m

Istanbul

Fri 4/17

5:40 am-12:20 pm

1 stop16h 40m

$568

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 4/6

8:42 am-9:25 pm

2 stops26h 43m

Istanbul

Thu 4/16

5:40 am-12:20 pm

1 stop16h 40m

$568

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 3/31

6:40 pm-3:30 am

1 stop22h 50m

Istanbul

Wed 4/15

4:25 am-5:38 pm

1 stop23h 13m

$575

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 3/9

11:59 pm-10:45 pm

2 stops36h 46m

Istanbul

Mon 3/16

6:30 am-10:45 pm

2 stops26h 15m

$578

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 3/31

2:10 pm-9:15 pm

1 stop21h 05m

Istanbul

Mon 4/20

1:55 pm-12:20 pm

1 stop32h 25m

$584

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 3/31

6:40 pm-3:30 am

1 stop22h 50m

Istanbul

Mon 4/20

5:20 pm-5:16 pm

2 stops33h 56m

$585

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 4/5

6:40 pm-3:30 am

1 stop22h 50m

Istanbul

Mon 4/27

5:20 pm-6:26 pm

2 stops35h 06m

$585

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 3/31

6:40 pm-3:30 am

1 stop22h 50m

Istanbul

Tue 4/21

4:25 am-6:26 pm

2 stops24h 01m

$585

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 4/5

8:00 am-9:35 pm

2 stops27h 35m

Istanbul

Mon 4/13

1:55 pm-12:20 pm

1 stop32h 25m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 33 results
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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 February 6, 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. 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, February is the cheapest month in which you can book a flight from Seattle to Istanbul (average of $413). Flying from Seattle to Istanbul in August is currently the most expensive (average of $855). 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 February 8, 2026.

When flying from Seattle to Istanbul, 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?

How often are flights from Seattle to Istanbul delayed?

About 16% of weekly flights between Seattle and Istanbul have experienced delays in the past year, with the average delay time being 141 minutes.

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

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

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

Saturday 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 Seattle to Istanbul flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

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 February 8, 2026.
Read through reviews of airlines operating flights from Seattle to Istanbul, such as KLM, Turkish Airlines, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,450 reviews

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

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
1,450 reviews

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

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
606 reviews
KLM
7.7
Good
1,450 reviews

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

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
7,720 reviews
KLM
7.7
Good
1,450 reviews

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

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?

    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 0 outbound flights to Istanbul per day. 10 airlines have flights to Istanbul from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Istanbul?

    Lufthansa, United Airlines, and KLM can get you from Seattle to Istanbul in just under 19h 15m. Your travel time can differ by up to 7h 28m. The distance from Seattle to Istanbul is about 6085 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 $392, was found to be the cheapest airline from Seattle to Istanbul.Alternate airlines to your destination round-trip include Scandinavian Airlines and Lufthansa. Icelandair is currently priced 59% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $511. However, be on the lookout for offers from Delta and Turkish Airlines, as they are both options that can get you from Seattle to Istanbul for a low price.

  • What are the cheapest flights from Seattle to Istanbul?

    Looking at all options, your cheapest flight can be booked for $403. While the most popular route (Seattle/Tacoma Intl - Istanbul) can be booked for $533 on average, our data indicates $1,762 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, February is the cheapest month in which you can book a flight from Seattle to Istanbul (average of $413). Flying from Seattle to Istanbul in August is currently the most expensive (average of $855). 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

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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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$392Average$584FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$490Average$583FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$509Average$861FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$561Average$565FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$561Average$765FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$1,050FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$647Average$1,061FlexibilityNo cancel feeOn-time77%
KLMCheapest$679Average$883FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$735Average$960FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$897Average$948FlexibilityNo cancel feeOn-time68%

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