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$310+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IST
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 (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 July 29, 2025.

Round-trip from

$858
(KLM)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,143

Good round-trip deal

$815 or less

Good one-way deal

$487 or less
From Seattle/Tacoma Intl to Istanbul
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One-way flight from Seattle/Tacoma Intl to Istanbul
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Highest demand for flights based on searches. 9% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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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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 July 29, 2025.

This KLM deal was found by Cheapflights users on 7/29. 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 8/206:40 pmSEA - IST
1 stop22h 45mKLM
Sat 9/204:20 amIST - SEA
1 stop23h 20mKLM
Deal found 7/29$858
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:30 pmSEA - IST
1 stop25h 00mBritish Airways
Fri 10/248:20 amIST - SEA
1 stop20h 00mBritish Airways
Deal found 7/28$859
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sat 9/203:45 pmSEA - IST
3 stops25h 45mMultiple Airlines
Sat 10/411:15 pmIST - SEA
3 stops31h 25mMultiple Airlines
Deal found 7/29$860
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/269:25 amSEA - IST
2 stops21h 40mUnited Airlines
Wed 12/106:30 amIST - SEA
3 stops29h 29mUnited Airlines
Deal found 7/29$866
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 9/27:10 pmSEA - IST
Nonstop11h 50mTurkish Airlines
Tue 9/308:05 amIST - SEA
Nonstop12h 30mTurkish Airlines
Deal found 7/29$880
This Icelandair deal was found by Cheapflights users on 7/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:30 pmSEA - IST
1 stop14h 25mIcelandair
Fri 10/312:25 pmIST - SEA
1 stop18h 15mIcelandair
Deal found 7/29$886
This Air France deal was found by Cheapflights users on 7/27. 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.
Sat 11/81:40 pmSEA - IST
1 stop27h 10mAir France
Sat 11/154:50 amIST - SEA
1 stop19h 25mAir France
Deal found 7/27$891
This Air Canada deal was found by Cheapflights users on 7/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:30 amSEA - IST
2 stops25h 35mAir Canada
Thu 11/68:00 pmIST - SEA
2 stops37h 06mAir Canada
Deal found 7/26$904

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 July 29, 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

Wed 8/20

6:40 pm-3:25 am

1 stop22h 45m

Istanbul

Sat 9/20

4:20 am-5:40 pm

1 stop23h 20m

$858

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 10/13

1:30 pm-12:30 am

1 stop25h 00m

Istanbul

Fri 10/24

8:20 am-6:20 pm

1 stop20h 00m

$859

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 9/20

3:45 pm-3:30 am

3 stops25h 45m

Istanbul

Sat 10/4

11:15 pm-8:40 pm

3 stops31h 25m

$860

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Wed 11/26

9:25 am-6:05 pm

2 stops21h 40m

Istanbul

Wed 12/10

6:30 am-12:59 am

3 stops29h 29m

$866

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 9/2

7:10 pm-5:00 pm

Nonstop11h 50m

Istanbul

Tue 9/30

8:05 am-10:35 am

Nonstop12h 30m

$880

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 9/4

11:30 pm-11:55 pm

1 stop14h 25m

Istanbul

Fri 10/3

12:25 pm-8:40 pm

1 stop18h 15m

$886

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 11/8

1:40 pm-3:50 am

1 stop27h 10m

Istanbul

Sat 11/15

4:50 am-1:15 pm

1 stop19h 25m

$891

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Fri 10/24

7:30 am-7:05 pm

2 stops25h 35m

Istanbul

Thu 11/6

8:00 pm-10:06 pm

2 stops37h 06m

$904

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 10/11

9:30 pm-7:25 pm

2 stops35h 55m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 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 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 $923). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $1,360). 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 July 29, 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 at noon could potentially save you up to 7% 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 July 27, 2025.

Travelers seeking maximum savings on their Seattle to Istanbul Airport 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 Airport

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 July 29, 2025.

The most flights from SEA to IST are scheduled on a Thursday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

What’s the top layover airport for flights from Seattle to Istanbul Airport?

Share of 1-stop round-trip flights from Seattle to Istanbul Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Istanbul Airport on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Istanbul Airport?

Average round-trip fare for 1-stop flights from Seattle to Istanbul Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $765.

What’s the fastest layover option from Seattle to Istanbul Airport?

Shortest average travel time for 1-stop one-way flights from Seattle to Istanbul Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 6h 55m.

Which airport typically offers the quickest layover for flights from Seattle to Istanbul Airport?

Average layover duration for 1-stop one-way flights from Seattle to Istanbul Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 9h 10m.

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 July 29, 2025.
Read reviews from past customers who have flown KLM, Air France, and United Airlines 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
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,896 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,925 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,826 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 2 flights from Seattle/Tacoma Intl to Istanbul per day from 8 different airlines.

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

    Currently priced at $858, KLM will fly you from Seattle to Istanbul Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $859 and $866, respectively. You may be able to fly from Seattle to Istanbul Airport for 21% less than the average price by searching for these airlines.

  • 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 $2,082, our data indicates the cheapest price to be $414. The most popular route (Seattle/Tacoma Intl - Istanbul), is priced around $698.

  • 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 $923). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of $1,360). 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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$683FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$664Average$835FlexibilityNo cancel feeOn-time69%
DeltaCheapest$667Average$863FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$669Average$908FlexibilityNo cancel feeOn-time76%
KLMCheapest$680Average$868FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$744Average$848FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$894Average$951FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$902Average$1,113FlexibilityNo cancel feeOn-time77%

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