Cheap flights from Seattle to Istanbul from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Istanbul departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

 Logo
7:00 pm - 11:15 pmSEA-IST
18h 15m2 stops
 Logo
8:15 am - 8:40 pmIST-SEA
22h 25m2 stops
Thu, Sep 4 - Thu, Sep 18
 Logo
9:30 am - 4:55 pmSEA-IST
20h 25m2 stops
 Logo
4:50 am - 4:33 pmIST-SEA
22h 43m2 stops
Fri, Feb 13 - Thu, Feb 26
 Logo
3:40 pm - 6:05 pmSEA-IST
39h 25m2 stops
 Logo
8:50 am - 10:06 pmIST-SEA
24h 16m2 stops
Tue, Nov 18 - Tue, Dec 2
Turkish Airlines Logo
12:30 pm - 10:25 amSEA-IST
11h 55mnonstop
Turkish Airlines Logo
2:55 pm - 5:15 pmIST-SEA
12h 20mnonstop
$855Turkish Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 25
Turkish Airlines Logo
7:10 pm - 5:00 pmSEA-IST
11h 50mnonstop
Turkish Airlines Logo
2:55 pm - 5:15 pmIST-SEA
12h 20mnonstop
$861Turkish Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 20
Delta Logo
2:00 pm - 3:50 amSEA-IST
26h 50m1 stop
Delta Logo
4:50 am - 1:15 pmIST-SEA
19h 25m1 stop
$865Delta
Find Deal
Sun, Jan 11 - Tue, Feb 17
Delta Logo
7:20 am - 3:50 amSEA-IST
33h 30m2 stops
Delta Logo
4:50 am - 10:16 pmIST-SEA
28h 26m2 stops
$867Delta
Find Deal
Sun, Jan 11 - Tue, Feb 17
KLM Logo
6:35 pm - 3:25 amSEA-IST
22h 50m1 stop
KLM Logo
5:05 pm - 11:50 amIST-SEA
28h 45m1 stop
$869KLM
Find Deal
Fri, Oct 10 - Sun, Oct 19
KLM Logo
1:30 pm - 4:05 pmSEA-IST
16h 35m2 stops
KLM Logo
5:55 pm - 12:45 pmIST-SEA
28h 50m1 stop
$871KLM
Find Deal
Wed, Oct 8 - Wed, Oct 29
British Airways Logo
10:39 am - 4:30 pmSEA-IST
19h 51m2 stops
British Airways Logo
7:35 am - 5:55 pmIST-SEA
20h 20m1 stop
$900British Airways
Find Deal
Tue, Oct 21 - Thu, Oct 30

Turkish Airlines flights from Seattle to Istanbul Airport

Our best Turkish Airlines deals on Seattle to Istanbul Airport flight tickets
Turkish Airlines
Sep 4
SEA12:30 pmSeattle/Tacoma Intl
11h 55m
IST10:25 amIstanbul
Sep 25
IST2:55 pmIstanbul
12h 20m
SEA5:15 pmSeattle/Tacoma Intl
Turkish Airlines
Oct 6
SEA7:10 pmSeattle/Tacoma Intl
11h 50m
IST5:00 pmIstanbul
Oct 20
IST2:55 pmIstanbul
12h 20m
SEA5:15 pmSeattle/Tacoma Intl
Turkish Airlines
Oct 10
SEA7:10 pmSeattle/Tacoma Intl
11h 50m
IST5:00 pmIstanbul
Oct 17
IST2:55 pmIstanbul
12h 20m
SEA5:15 pmSeattle/Tacoma Intl

Delta flights from Seattle to Istanbul Airport

Our best Delta deals on Seattle to Istanbul Airport flight tickets
Delta
Jan 11
SEA2:00 pmSeattle/Tacoma Intl
26h 50m
1 stop
IST3:50 amIstanbul
Feb 17
IST4:50 amIstanbul
19h 25m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
Delta
Jan 11
SEA7:20 amSeattle/Tacoma Intl
33h 30m
2 stops
IST3:50 amIstanbul
Feb 17
IST4:50 amIstanbul
28h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Istanbul Airport 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Seattle to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 9/4

7:00 pm-11:15 pm

2 stops18h 15m

Istanbul

Thu 9/18

8:15 am-8:40 pm

2 stops22h 25m

$852

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Fri 2/13

9:30 am-4:55 pm

2 stops20h 25m

Istanbul

Thu 2/26

4:50 am-4:33 pm

2 stops22h 43m

$853

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 11/18

3:40 pm-6:05 pm

2 stops39h 25m

Istanbul

Tue 12/2

8:50 am-10:06 pm

2 stops24h 16m

$854

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 9/4

12:30 pm-10:25 am

Nonstop11h 55m

Istanbul

Thu 9/25

2:55 pm-5:15 pm

Nonstop12h 20m

$855

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 10/6

7:10 pm-5:00 pm

Nonstop11h 50m

Istanbul

Mon 10/20

2:55 pm-5:15 pm

Nonstop12h 20m

$861

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 1/11

2:00 pm-3:50 am

1 stop26h 50m

Istanbul

Tue 2/17

4:50 am-1:15 pm

1 stop19h 25m

$865

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 1/11

7:20 am-3:50 am

2 stops33h 30m

Istanbul

Tue 2/17

4:50 am-10:16 pm

2 stops28h 26m

$867

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Fri 10/10

6:35 pm-3:25 am

1 stop22h 50m

Istanbul

Sun 10/19

5:05 pm-11:50 am

1 stop28h 45m

$869

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Wed 10/8

1:30 pm-4:05 pm

2 stops16h 35m

Istanbul

Wed 10/29

5:55 pm-12:45 pm

1 stop28h 50m

$871

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 10/21

10:39 am-4:30 pm

2 stops19h 51m

Istanbul

Thu 10/30

7:35 am-5:55 pm

1 stop20h 20m

$900

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Seattle to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Istanbul Airport?

In general, March is the cheapest month to fly from Seattle to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $968. If you don’t want to visit Istanbul Airport in March, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $977.

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Wednesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $1,040. On the other hand, Friday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,135.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

At noon is the cheapest time of day to fly from Seattle to Istanbul Airport when you can find flight prices for as low as $1,042. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,122.

What is the cheapest Seattle/Tacoma Intl to Istanbul flight route?

Fly from Seattle/Tacoma Intl to Istanbul for the best Seattle/Tacoma Intl - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $1,095 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Seattle for as low as $964 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Istanbul flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Istanbul Airport flights?

No. A direct flight is the cheapest option for a flight between Seattle to Istanbul Airport.

How have Seattle to Istanbul Airport flight prices changed over time?

As of August 2025, prices for Seattle to Istanbul Airport flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Istanbul Airport (SEA to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Istanbul Airport

Best Price Found

$257

Fastest flight time

11h 50m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Seattle in the past 72 hours is $257. The best round-trip flight deal from Seattle to Istanbul Airport found on momondo in the last 72 hours is $852.
The fastest flight from Seattle to Istanbul Airport takes 11h 50m
Direct flights go from Seattle to Istanbul Airport every day.
  • How far is Seattle/Tacoma Intl to Istanbul by plane?

    The distance between Seattle/Tacoma Intl and Istanbul is about 6040.8 mi. A reasonable flight in good conditions will take 11h 50m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Istanbul Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Istanbul Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Istanbul Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Istanbul Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Istanbul Airport?

  • What is the most popular airline from Seattle to Istanbul Airport?

Best airlines flying from Seattle to Istanbul Airport

Compare and see reviews for airlines that fly from Seattle to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $543Free CancellationRating
7.0
527 reviews
Search Icelandair flights
United AirlinesPriceFrom $664Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
DeltaPriceFrom $667Free CancellationRating
8.0
7,981 reviews
Search Delta flights
LufthansaPriceFrom $669Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights
KLMPriceFrom $680Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom $738Free CancellationRating
6.6
7,277 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $888Free CancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $894Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
  • Turkish Airlines Flights From Seattle to Istanbul Airport

    Turkish Airlines flies from Seattle to Istanbul Airport around 9 times per week, with 3,945 momondo users rating the airline 7.3/10. The cheapest Turkish Airlines deal from Seattle to Istanbul Airport in the last 72 hours was $888 (round-trip), much lower than the average airfare cost of $1,112 for Turkish Airlines flights on this route.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Istanbul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Istanbul from Seattle.

Can I find flights from Seattle to Istanbul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Istanbul from Seattle with this policy.

How can momondo help me find flights from Seattle to Istanbul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from Seattle.

I’m not ready to book a flight from Seattle to Istanbul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Istanbul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sat 8/23
Sat 8/30

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