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Cheap flights from Istanbul Airport to Seattle from $431

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Istanbul Airport to Seattle departing on 9/25. 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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Find the cheapest flights from Istanbul Airport to Seattle

Cheap round-trip flights

KLM Logo
6:10 am - 4:05 pmIST-SEA
19h 55m1 stop
KLM Logo
5:40 pm - 1:20 amSEA-IST
21h 40m1 stop
$510KLM
Find Deal
Thu, Sep 11 - Wed, Sep 24
KLM Logo
6:10 am - 11:50 amIST-SEA
15h 40m1 stop
KLM Logo
11:40 am - 4:55 pmSEA-IST
19h 15m2 stops
$525KLM
Find Deal
Sun, Oct 5 - Sun, Oct 26
Logo
4:20 am - 5:40 pmIST-SEA
23h 20m1 stop
Logo
2:10 pm - 1:20 amSEA-IST
25h 10m1 stop
$537
Find Deal
Thu, Sep 11 - Wed, Sep 24
Logo
4:20 am - 5:40 pmIST-SEA
23h 20m1 stop
Logo
5:40 pm - 1:20 amSEA-IST
21h 40m1 stop
$539
Find Deal
Thu, Sep 11 - Wed, Sep 24
Icelandair Logo
12:25 pm - 8:40 pmIST-SEA
18h 15m1 stop
Icelandair Logo
2:35 pm - 11:55 pmSEA-IST
22h 20m1 stop
$551Icelandair
Find Deal
Mon, Oct 13 - Sat, Nov 8
American Airlines Logo
8:25 am - 11:35 amIST-SEA
37h 10m1 stop
American Airlines Logo
12:59 am - 8:15 pmSEA-IST
32h 16m2 stops
$552American Airlines
Find Deal
Wed, Oct 8 - Fri, Nov 7
British Airways Logo
6:45 pm - 11:35 amIST-SEA
26h 50m1 stop
British Airways Logo
2:46 pm - 12:35 amSEA-IST
22h 49m2 stops
$554British Airways
Find Deal
Sun, Oct 12 - Fri, Nov 7
American Airlines Logo
4:10 pm - 11:35 amIST-SEA
29h 25m1 stop
American Airlines Logo
11:34 am - 11:59 pmSEA-IST
25h 25m2 stops
$555American Airlines
Find Deal
Sun, Oct 12 - Mon, Nov 3
British Airways Logo
8:25 am - 6:20 pmIST-SEA
19h 55m1 stop
British Airways Logo
10:35 am - 12:00 amSEA-IST
26h 25m2 stops
$557British Airways
Find Deal
Wed, Oct 8 - Mon, Nov 3
Icelandair Logo
12:25 pm - 8:40 pmIST-SEA
18h 15m1 stop
Icelandair Logo
2:35 pm - 11:55 pmSEA-IST
22h 20m1 stop
$580Icelandair
Find Deal
Thu, Sep 25 - Sat, Feb 7

KLM flights from Istanbul Airport to Seattle

Our best KLM deals on Istanbul Airport to Seattle flight tickets
KLM
Sep 11
IST6:10 amIstanbul
19h 55m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Sep 24
SEA5:40 pmSeattle/Tacoma Intl
21h 40m
1 stop
IST1:20 amIstanbul
$510
Find similar
KLM
Oct 5
IST6:10 amIstanbul
15h 40m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Oct 26
SEA11:40 amSeattle/Tacoma Intl
19h 15m
2 stops
IST4:55 pmIstanbul
$525
Find similar
KLM
Sep 23
IST5:05 pmIstanbul
28h 40m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Feb 5
SEA3:00 pmSeattle/Tacoma Intl
14h 55m
1 stop
IST4:55 pmIstanbul
$526
Find similar

British Airways flights from Istanbul Airport to Seattle

Our best British Airways deals on Istanbul Airport to Seattle flight tickets
British Airways
Oct 12
IST6:45 pmIstanbul
26h 50m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Nov 7
SEA2:46 pmSeattle/Tacoma Intl
22h 49m
2 stops
IST12:35 amIstanbul
$554
Find similar
British Airways
Oct 8
IST8:25 amIstanbul
19h 55m
1 stop
SEA6:20 pmSeattle/Tacoma Intl
Nov 3
SEA10:35 amSeattle/Tacoma Intl
26h 25m
2 stops
IST12:00 amIstanbul
$557
Find similar
British Airways
Sep 11
IST8:15 amIstanbul
37h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Sep 24
SEA1:02 pmSeattle/Tacoma Intl
25h 23m
2 stops
IST12:25 amIstanbul
$558
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Istanbul Airport to Seattle 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 5, 2025.
Use the filters below to find and compare flights from Istanbul Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/11

6:10 am-4:05 pm

1 stop19h 55m

Seattle/Tacoma Intl

Wed 9/24

5:40 pm-1:20 am

1 stop21h 40m

$510

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 10/5

6:10 am-11:50 am

1 stop15h 40m

Seattle/Tacoma Intl

Sun 10/26

11:40 am-4:55 pm

2 stops19h 15m

$525

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/11

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Wed 9/24

2:10 pm-1:20 am

1 stop25h 10m

$537

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/11

4:20 am-5:40 pm

1 stop23h 20m

Seattle/Tacoma Intl

Wed 9/24

5:40 pm-1:20 am

1 stop21h 40m

$539

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Mon 10/13

12:25 pm-8:40 pm

1 stop18h 15m

Seattle/Tacoma Intl

Sat 11/8

2:35 pm-11:55 pm

1 stop22h 20m

$551

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 10/8

8:25 am-11:35 am

1 stop37h 10m

Seattle/Tacoma Intl

Fri 11/7

12:59 am-8:15 pm

2 stops32h 16m

$552

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 10/12

6:45 pm-11:35 am

1 stop26h 50m

Seattle/Tacoma Intl

Fri 11/7

2:46 pm-12:35 am

2 stops22h 49m

$554

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 10/12

4:10 pm-11:35 am

1 stop29h 25m

Seattle/Tacoma Intl

Mon 11/3

11:34 am-11:59 pm

2 stops25h 25m

$555

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 10/8

8:25 am-6:20 pm

1 stop19h 55m

Seattle/Tacoma Intl

Mon 11/3

10:35 am-12:00 am

2 stops26h 25m

$557

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 9/25

12:25 pm-8:40 pm

1 stop18h 15m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-11:55 pm

1 stop22h 20m

$580

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 Seattle from

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

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 typical price of a round-trip flight between Istanbul Airport and Seattle?

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Istanbul Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $594. If you don’t want to visit Seattle in February, then you should wait until October to fly from Istanbul Airport, when ticket prices are also cheap, with an average price of $624.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Istanbul Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $819. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Istanbul Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $959.

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

Flying to Seattle from Istanbul Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $627 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $871. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Istanbul Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $735 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Istanbul Airport for as low as $377 on momondo.

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

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

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

As of August 2025, prices for Istanbul Airport to Seattle flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Istanbul Airport to Seattle

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

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

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

Best Price Found

$431

Fastest flight time

15h 25m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Istanbul Airport in the past 72 hours is $431. The best round-trip flight deal from Istanbul Airport to Seattle found on momondo in the last 72 hours is $510.
The fastest flight from Istanbul Airport to Seattle takes 15h 25m
Direct flights go from Istanbul Airport to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Istanbul to Seattle/Tacoma Intl by plane?

    There are 6040.8 mi between Istanbul and Seattle/Tacoma Intl. Typically, this will take 15h 35m by plane in normal conditions.

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

    Prices for flights from Istanbul Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Istanbul Airport to Seattle

Compare and see reviews for airlines that fly from Istanbul Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $440Free CancellationRating
7.8
1,381 reviews
Search KLM flights
American AirlinesPriceFrom $490Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $526Free CancellationRating
6.6
7,237 reviews
Search British Airways flights
LufthansaPriceFrom $591Free CancellationRating
6.8
7,287 reviews
Search Lufthansa flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $624Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Turkish AirlinesPriceFrom $694Free CancellationRating
7.3
3,934 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From Istanbul Airport to Seattle

    Turkish Airlines is one of the most popular airlines flying from Istanbul Airport to Seattle, operating 7 flights/week on average for this route. A good Turkish Airlines flight deal for Istanbul Airport to Seattle starts from $694 round-trip, up to an average price of $869. Our users have rated Turkish Airlines at 7.3/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Lynnwood
Puyallup
Marysville
Tukwila
Kirkland
Lakewood
Fife
Cle Elum
Shoreline
Centralia
Westport
Redmond

Why use momondo?

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

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 Seattle from Istanbul.

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

All flight searches from Istanbul to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Istanbul and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Istanbul to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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