Cheap flights from Seattle to Istanbul from $309

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:15 pm - 3:50 am
SEA
-
IST
26h 35m
1 stop
Delta Logo
6:00 am - 11:42 am
IST
-
SEA
15h 42m
1 stop
$557Delta
Mon, Feb 2 - Tue, May 5
Delta Logo
7:10 am - 3:50 am
SEA
-
IST
33h 40m
2 stops
Delta Logo
4:50 am - 10:22 pm
IST
-
SEA
28h 32m
2 stops
$558Delta
Tue, Feb 3 - Wed, Feb 11
Delta Logo
9:55 am - 3:50 am
SEA
-
IST
30h 55m
2 stops
Delta Logo
6:00 am - 8:26 pm
IST
-
SEA
24h 26m
2 stops
$559Delta
Tue, Feb 3 - Thu, Apr 30
Delta Logo
1:38 pm - 4:55 pm
SEA
-
IST
40h 17m
2 stops
Delta Logo
5:20 pm - 4:30 pm
IST
-
SEA
33h 10m
1 stop
$560Delta
Sat, Feb 7 - Wed, Apr 29
United Airlines Logo
9:00 am - 5:45 pm
SEA
-
IST
21h 45m
2 stops
United Airlines Logo
6:30 am - 10:43 pm
IST
-
SEA
27h 13m
2 stops
$561United Airlines
Tue, Feb 17 - Sun, Mar 1
United Airlines Logo
10:55 am - 10:45 pm
SEA
-
IST
24h 50m
2 stops
United Airlines Logo
6:30 am - 12:59 am
IST
-
SEA
28h 29m
2 stops
$562United Airlines
Thu, Mar 5 - Tue, Mar 17
Lufthansa Logo
7:00 am - 10:45 pm
SEA
-
IST
28h 45m
2 stops
Lufthansa Logo
3:45 am - 12:20 pm
IST
-
SEA
18h 35m
2 stops
$563Lufthansa
Mon, Feb 23 - Thu, Apr 2
Delta Logo
5:40 pm - 3:50 am
SEA
-
IST
47h 10m
2 stops
Delta Logo
6:00 am - 11:58 pm
IST
-
SEA
27h 58m
2 stops
$564Delta
Sun, Feb 8 - Fri, May 1
Delta Logo
1:38 pm - 4:55 pm
SEA
-
IST
40h 17m
2 stops
Delta Logo
6:00 am - 11:58 pm
IST
-
SEA
27h 58m
2 stops
$565Delta
Sat, Feb 7 - Thu, Apr 30
Lufthansa Logo
2:00 pm - 10:45 pm
SEA
-
IST
21h 45m
1 stop
Lufthansa Logo
7:00 pm - 1:10 pm
IST
-
SEA
28h 10m
1 stop
$566Lufthansa
Thu, Mar 5 - Wed, Mar 18

British Airways flights from Seattle to Istanbul Airport

Our best British Airways deals on Seattle to Istanbul Airport flight tickets
British Airways
Apr 30
SEA8:20 pmSeattle/Tacoma Intl
18h 20m
1 stop
IST12:40 amIstanbul
May 12
IST7:55 pmIstanbul
32h 35m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$568
British Airways
Feb 4
SEA6:50 pmSeattle/Tacoma Intl
18h 35m
1 stop
IST12:25 amIstanbul
May 5
IST7:55 pmIstanbul
32h 30m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$570
British Airways
Jan 27
SEA8:04 amSeattle/Tacoma Intl
29h 56m
2 stops
IST1:00 amIstanbul
Feb 9
IST3:15 pmIstanbul
36h 40m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$575

American Airlines flights from Seattle to Istanbul Airport

Our best American Airlines deals on Seattle to Istanbul Airport flight tickets
American Airlines
Mar 11
SEA7:50 pmSeattle/Tacoma Intl
18h 35m
1 stop
IST12:25 amIstanbul
Mar 25
IST7:35 amIstanbul
21h 45m
2 stops
SEA7:20 pmSeattle/Tacoma Intl
$579
American Airlines
Jan 22
SEA8:04 amSeattle/Tacoma Intl
22h 26m
2 stops
IST5:30 pmIstanbul
Mar 17
IST7:35 amIstanbul
25h 29m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
$595
American Airlines
Jan 24
SEA8:04 amSeattle/Tacoma Intl
22h 21m
2 stops
IST5:25 pmIstanbul
Mar 7
IST7:35 amIstanbul
26h 29m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
$645

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 January 16, 2026.
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

Mon 2/2

2:15 pm-3:50 am

1 stop26h 35m

Istanbul

Tue 5/5

6:00 am-11:42 am

1 stop15h 42m

$557

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 2/3

7:10 am-3:50 am

2 stops33h 40m

Istanbul

Wed 2/11

4:50 am-10:22 pm

2 stops28h 32m

$558

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 2/3

9:55 am-3:50 am

2 stops30h 55m

Istanbul

Thu 4/30

6:00 am-8:26 pm

2 stops24h 26m

$559

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 2/7

1:38 pm-4:55 pm

2 stops40h 17m

Istanbul

Wed 4/29

5:20 pm-4:30 pm

1 stop33h 10m

$560

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Tue 2/17

9:00 am-5:45 pm

2 stops21h 45m

Istanbul

Sun 3/1

6:30 am-10:43 pm

2 stops27h 13m

$561

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 3/5

10:55 am-10:45 pm

2 stops24h 50m

Istanbul

Tue 3/17

6:30 am-12:59 am

2 stops28h 29m

$562

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Mon 2/23

7:00 am-10:45 pm

2 stops28h 45m

Istanbul

Thu 4/2

3:45 am-12:20 pm

2 stops18h 35m

$563

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sun 2/8

5:40 pm-3:50 am

2 stops47h 10m

Istanbul

Fri 5/1

6:00 am-11:58 pm

2 stops27h 58m

$564

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Sat 2/7

1:38 pm-4:55 pm

2 stops40h 17m

Istanbul

Thu 4/30

6:00 am-11:58 pm

2 stops27h 58m

$565

SeattleIstanbul

SEA - IST

SEAIST

Seattle/Tacoma Intl

Thu 3/5

2:00 pm-10:45 pm

1 stop21h 45m

Istanbul

Wed 3/18

7:00 pm-1:10 pm

1 stop28h 10m

$566

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, November 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 $760. If you don’t want to visit Istanbul Airport in November, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $764.

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 $1,036. 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 $1,108.

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

In the afternoon is the cheapest time of day to fly from Seattle to Istanbul Airport when you can find flight prices for as low as $778. Flying to Istanbul Airport in the afternoon 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 $1,110.

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 $980 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 $860 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?

You could potentially save up to 31% on your flight if you consider stops on a Seattle to Istanbul Airport flight.

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

As of January 2026, prices for Seattle to Istanbul Airport flights are approximately 6% 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

$576

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 $576. The best round-trip flight deal from Seattle to Istanbul Airport found on momondo in the last 72 hours is $790.
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 $392Free CancellationRating
7.1
596 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $490Free CancellationRating
7.3
1,654 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $518Free CancellationRating
6.8
7,719 reviews
Search Lufthansa flights
United AirlinesPriceFrom $561Free CancellationRating
7.4
9,165 reviews
Search United Airlines flights
British AirwaysPriceFrom $561Free CancellationRating
6.7
7,684 reviews
Search British Airways flights
DeltaPriceFrom $577Free CancellationRating
7.9
8,057 reviews
Search Delta flights
KLMPriceFrom $679Free CancellationRating
7.7
1,440 reviews
Search KLM flights
Turkish AirlinesPriceFrom $685Free CancellationRating
7.3
4,180 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $735Free CancellationRating
7.4
1,522 reviews
Search Air France flights
Qatar AirwaysPriceFrom $897Free CancellationRating
7.4
3,716 reviews
Search Qatar Airways flights
  • Turkish Airlines Flights From Seattle to Istanbul Airport

    Turkish Airlines flies from Seattle to Istanbul Airport around 6 times per week, with 4,176 momondo users rating the airline 7.3/10. The cheapest Turkish Airlines deal from Seattle to Istanbul Airport in the last 72 hours was $685 (round-trip), much lower than the average airfare cost of $1,083 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
Sun 2/15
Sun 2/22

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