Cheap flights from Istanbul Airport to Seattle from $418

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 5/2. 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

Enter your travel dates to find the best prices.
KLM Logo
6:00 am - 4:35 pm
IST
-
SEA
20h 35m
1 stop
KLM Logo
5:40 pm - 1:20 am
SEA
-
IST
21h 40m
1 stop
$622KLM
Wed, Sep 2 - Fri, Oct 2
KLM Logo
6:00 am - 4:35 pm
IST
-
SEA
20h 35m
1 stop
KLM Logo
5:40 pm - 4:20 pm
SEA
-
IST
36h 40m
1 stop
$624KLM
Wed, Sep 2 - Fri, Oct 2
KLM Logo
6:00 am - 2:45 pm
IST
-
SEA
18h 45m
2 stops
KLM Logo
5:40 pm - 4:20 pm
SEA
-
IST
36h 40m
1 stop
$633KLM
Wed, Sep 2 - Fri, Oct 2
KLM Logo
6:00 am - 2:42 pm
IST
-
SEA
18h 42m
2 stops
KLM Logo
5:40 pm - 1:20 am
SEA
-
IST
21h 40m
1 stop
$634KLM
Sun, May 3 - Sun, May 10
KLM Logo
6:00 am - 4:30 pm
IST
-
SEA
20h 30m
1 stop
KLM Logo
5:40 pm - 1:20 am
SEA
-
IST
21h 40m
1 stop
$646KLM
Wed, Apr 1 - Mon, May 11
KLM Logo
6:00 am - 11:45 am
IST
-
SEA
15h 45m
1 stop
KLM Logo
5:45 pm - 1:20 am
SEA
-
IST
21h 35m
1 stop
$651KLM
Thu, Apr 23 - Wed, May 6
Lufthansa Logo
5:40 am - 12:20 pm
IST
-
SEA
16h 40m
1 stop
Lufthansa Logo
2:27 pm - 9:25 pm
SEA
-
IST
20h 58m
2 stops
$654Lufthansa
Thu, Apr 23 - Wed, May 6
Lufthansa Logo
5:40 am - 12:20 pm
IST
-
SEA
16h 40m
1 stop
Lufthansa Logo
2:27 pm - 9:25 pm
SEA
-
IST
20h 58m
2 stops
$655Lufthansa
Thu, Apr 23 - Wed, May 6
KLM Logo
6:00 am - 3:50 pm
IST
-
SEA
19h 50m
2 stops
KLM Logo
5:40 pm - 1:20 am
SEA
-
IST
21h 40m
1 stop
$656KLM
Wed, Apr 1 - Mon, May 11
KLM Logo
5:20 pm - 4:30 pm
IST
-
SEA
33h 10m
1 stop
KLM Logo
5:40 pm - 1:20 am
SEA
-
IST
21h 40m
1 stop
$657KLM
Sun, May 3 - Sun, May 10

KLM flights from Istanbul Airport to Seattle

Our best KLM deals on Istanbul Airport to Seattle flight tickets
KLM
Apr 13
IST5:20 pmIstanbul
28h 25m
1 stop
SEA11:45 amSeattle/Tacoma Intl
May 13
SEA1:45 pmSeattle/Tacoma Intl
25h 35m
1 stop
IST1:20 amIstanbul
$610
KLM
Apr 15
IST6:00 amIstanbul
20h 48m
2 stops
SEA4:48 pmSeattle/Tacoma Intl
May 13
SEA1:45 pmSeattle/Tacoma Intl
25h 35m
1 stop
IST1:20 amIstanbul
$620
KLM
Apr 13
IST6:00 amIstanbul
18h 42m
2 stops
SEA2:42 pmSeattle/Tacoma Intl
May 13
SEA1:45 pmSeattle/Tacoma Intl
25h 35m
1 stop
IST1:20 amIstanbul
$621

Delta flights from Istanbul Airport to Seattle

Our best Delta deals on Istanbul Airport to Seattle flight tickets
Delta
Mar 23
IST5:55 pmIstanbul
28h 40m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Apr 6
SEA5:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
IST1:20 amIstanbul
$703
Delta
Apr 15
IST5:20 pmIstanbul
28h 25m
1 stop
SEA11:45 amSeattle/Tacoma Intl
May 14
SEA10:35 amSeattle/Tacoma Intl
28h 45m
2 stops
IST1:20 amIstanbul
$704
Delta
Apr 13
IST6:00 amIstanbul
15h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
May 11
SEA9:30 amSeattle/Tacoma Intl
29h 50m
2 stops
IST1:20 amIstanbul
$705

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 March 22, 2026.
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

Cheapest round-trip

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 9/2

6:00 am-4:35 pm

1 stop20h 35m

Seattle/Tacoma Intl

Fri 10/2

5:40 pm-1:20 am

1 stop21h 40m

$622

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 9/2

6:00 am-4:35 pm

1 stop20h 35m

Seattle/Tacoma Intl

Fri 10/2

5:40 pm-4:20 pm

1 stop36h 40m

$624

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 9/2

6:00 am-2:45 pm

2 stops18h 45m

Seattle/Tacoma Intl

Fri 10/2

5:40 pm-4:20 pm

1 stop36h 40m

$633

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 5/3

6:00 am-2:42 pm

2 stops18h 42m

Seattle/Tacoma Intl

Sun 5/10

5:40 pm-1:20 am

1 stop21h 40m

$634

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 4/1

6:00 am-4:30 pm

1 stop20h 30m

Seattle/Tacoma Intl

Mon 5/11

5:40 pm-1:20 am

1 stop21h 40m

$646
Quickest round-trip

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 4/23

6:00 am-11:45 am

1 stop15h 45m

Seattle/Tacoma Intl

Wed 5/6

5:45 pm-1:20 am

1 stop21h 35m

$651

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 4/23

5:40 am-12:20 pm

1 stop16h 40m

Seattle/Tacoma Intl

Wed 5/6

2:27 pm-9:25 pm

2 stops20h 58m

$654

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Thu 4/23

5:40 am-12:20 pm

1 stop16h 40m

Seattle/Tacoma Intl

Wed 5/6

2:27 pm-9:25 pm

2 stops20h 58m

$655

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Wed 4/1

6:00 am-3:50 pm

2 stops19h 50m

Seattle/Tacoma Intl

Mon 5/11

5:40 pm-1:20 am

1 stop21h 40m

$656

IstanbulSeattle

IST - SEA

ISTSEA

Istanbul

Sun 5/3

5:20 pm-4:30 pm

1 stop33h 10m

Seattle/Tacoma Intl

Sun 5/10

5:40 pm-1:20 am

1 stop21h 40m

$657

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 cheapest month to fly to Seattle?

In general, April 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 $650. If you don’t want to visit Seattle in April, then you should wait until November to fly from Istanbul Airport, when ticket prices are also cheap, with an average price of $683.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $732. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $764 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $802. 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 $760 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 $627 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.

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

You could potentially save up to 27% on your flight if you consider stops on a Istanbul Airport to Seattle flight.

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

As of March 2026, prices for Istanbul Airport to Seattle flights are approximately 1% 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

$668

Fastest flight time

12h 20m

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 $668. The best round-trip flight deal from Istanbul Airport to Seattle found on momondo in the last 72 hours is $774.
The fastest flight from Istanbul Airport to Seattle takes 12h 20m
Direct flights go from Istanbul Airport to Seattle every day.
There is 1 airport in Seattle. From Istanbul Airport there are direct flights to Seattle/Tacoma Intl (SEA).
  • 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 12h 20m 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 $515Free CancellationRating
7.8
1,477 reviews
Search KLM flights
British AirwaysPriceFrom $536Free CancellationRating
6.7
7,809 reviews
Search British Airways flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights
LufthansaPriceFrom $629Free CancellationRating
6.8
7,862 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $659Free CancellationRating
7.3
4,268 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 $659 round-trip, up to an average price of $782. 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
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
Tumwater

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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1 adult
Tue 4/21
Tue 4/28

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