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$336+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IST
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Istanbul are usually found in November or January, booked 78 days in advance, depart on a Wednesday or Monday 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 diciembre 12, 2025.

This KLM deal was found by Cheapflights users on 12/9. 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.
mié. 12/313:05 pmSEA - IST
1 stop14h 50mKLM
mar. 1/135:55 pmIST - SEA
1 stop28h 55mKLM
Deal found 12/9$726
This KLM deal was found by Cheapflights users on 12/11. 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.
mié. 12/3111:45 amSEA - IST
2 stops18h 10mKLM
jue. 1/155:55 pmIST - SEA
1 stop28h 55mKLM
Deal found 12/11$730
This KLM deal was found by Cheapflights users on 12/9. 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.
lun. 12/292:05 pmSEA - IST
1 stop26h 45mKLM
mar. 1/135:55 pmIST - SEA
1 stop28h 55mKLM
Deal found 12/9$737
This Air France deal was found by Cheapflights users on 12/9. 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.
mié. 12/313:05 pmSEA - IST
1 stop14h 50mMultiple Airlines
mar. 1/134:50 amIST - SEA
2 stops22h 48mMultiple Airlines
Deal found 12/9$739
This Air France deal was found by Cheapflights users on 12/9. 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.
lun. 12/292:05 pmSEA - IST
1 stop26h 45mAir France
mar. 1/134:50 amIST - SEA
2 stops22h 48mAir France
Deal found 12/9$750
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/301:25 pmSEA - IST
1 stop24h 35mBritish Airways
mar. 1/136:40 pmIST - SEA
1 stop33h 15mBritish Airways
Deal found 12/11$759
This British Airways deal was found by Cheapflights users on 12/9. 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.
mar. 12/306:50 pmSEA - IST
1 stop31h 45mBritish Airways
vie. 1/168:10 amIST - SEA
1 stop38h 20mBritish Airways
Deal found 12/9$760
This British Airways deal was found by Cheapflights users on 12/9. 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.
sáb. 12/276:50 pmSEA - IST
1 stop19h 20mBritish Airways
lun. 1/123:15 pmIST - SEA
1 stop36h 40mBritish Airways
Deal found 12/9$761

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 diciembre 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$545
(Mytrip)

One-way from

$336
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,389

Good round-trip deal

$830 or less

Good one-way deal

$677 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Istanbul flights.
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From Seattle/Tacoma Intl to Istanbul
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One-way flight from Seattle/Tacoma Intl to Istanbul
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Istanbul.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Istanbul.
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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 diciembre 12, 2025.
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

mié. 3/4

6:50 pm-12:25 am

1 stop18h 35m

Istanbul

lun. 3/16

8:15 am-5:55 pm

1 stop19h 40m

$558

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

mar. 2/3

6:50 pm-1:00 am

1 stop19h 10m

Istanbul

jue. 2/12

2:35 pm-11:30 am

1 stop31h 55m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

jue. 1/15

6:50 pm-5:25 pm

1 stop35h 35m

Istanbul

dom. 2/1

6:40 pm-4:55 pm

1 stop33h 15m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

sáb. 2/14

6:50 pm-1:10 am

1 stop19h 20m

Istanbul

dom. 3/1

8:20 am-4:55 pm

1 stop19h 35m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

vie. 1/16

1:35 pm-5:25 pm

1 stop16h 50m

Istanbul

vie. 1/23

6:40 pm-4:55 pm

1 stop33h 15m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

mar. 2/3

1:25 pm-5:45 pm

1 stop17h 20m

Istanbul

lun. 2/9

3:15 pm-4:55 pm

1 stop36h 40m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

jue. 2/5

2:00 pm-10:45 pm

1 stop21h 45m

Istanbul

mié. 2/11

6:30 am-7:16 pm

2 stops23h 46m

$561

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

vie. 2/13

7:00 am-6:05 pm

2 stops24h 05m

Istanbul

lun. 2/23

6:30 am-12:10 pm

1 stop16h 40m

$565

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

jue. 1/29

8:04 am-5:30 pm

2 stops22h 26m

Istanbul

dom. 2/15

8:20 am-4:55 pm

1 stop19h 35m

$565

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

dom. 1/18

8:04 am-5:25 pm

2 stops22h 21m

Istanbul

jue. 1/29

7:35 am-4:55 pm

1 stop20h 20m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 24 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Istanbul Airport flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 December 5, 2025.

Booking 78 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, November is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of $429). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $959). 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 diciembre 12, 2025.

One of the essential ways to save on airfare from Seattle to Istanbul Airport 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 29% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Istanbul. Price data was last updated on December 6, 2025.

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

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 diciembre 12, 2025.
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
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,088 reviews
KLM
7.7
Good
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
589 reviews
KLM
7.7
Good
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,626 reviews
KLM
7.7
Good
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,432 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 9 different airlines.

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

    Departing from Seattle to Istanbul Airport will take you 18h 35m. The distance from Seattle to Istanbul Airport is about 6051 mi.

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

    Currently priced at $393, 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 Lufthansa and United Airlines - these airlines can fly you to your destination from $555 and $561, respectively. You may be able to fly from Seattle to Istanbul Airport for 62% 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 $414. Users have also found prices from $511 and $537 on KLM and Turkish Airlines, 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 $964, our data indicates the cheapest price to be $535. The most popular route (Seattle/Tacoma Intl - Istanbul), is priced around $401.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of $429). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $959). 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

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Alternative routes for Seattle to Istanbul

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

Top 9 airlines flying from Seattle to Istanbul

Discover the top 9 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$608FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$555Average$888FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$561Average$716FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$561Average$786FlexibilityNo cancel feeOn-time70%
DeltaCheapest$667Average$1,099FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$679Average$792FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$735Average$960FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$754Average$1,097FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$871Average$944FlexibilityNo cancel feeOn-time68%

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