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Cheap flights from Seattle to Istanbul Airport from £387

SEA — IST
4 Oct — 11 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Istanbul

Wed 9/1213:50 -
1 stop21h 55m
Thu 24/1206:30 -
1 stop16h 30m
Deal found 4/9£603
Wed 9/1218:45 -
1 stop18h 40m
Fri 25/1208:25 -
1 stop19h 25m
Deal found 4/9£603
Wed 2/1218:45 -
1 stop35h 55m
Mon 14/1208:25 -
1 stop38h 00m
Deal found 31/8£604
Wed 2/1210:29 -
2 stops26h 56m
Wed 16/1218:50 -
1 stop27h 35m
Deal found 2/9£607
Wed 2/1213:50 -
1 stop21h 55m
Tue 15/1206:30 -
2 stops25h 29m
Deal found 1/9£608
Wed 2/1218:45 -
1 stop18h 40m
Fri 11/1208:25 -
2 stops22h 55m
Deal found 31/8£611
Tue 1/1210:49 -
2 stops24h 56m
Tue 15/1206:30 -
3 stops24h 50m
Deal found 1/9£614

Find flight deals from Seattle to Istanbul

Round-trip from

£603

One-way from

£387

Popular in

June

Cheapest in

February

Average price

£750

Good round-trip deal

£590 or less
United Airlines
  • United Airlines
  • 9/12-24/12
  • 2 total stops
  • 38h 25m total
  • Seattle to Istanbul
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Delta
  • Delta
  • 22/12-31/12
  • 1 total stop
  • 14h 40m total
  • Seattle to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£138 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Istanbul.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Istanbul Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Mon 21/9

19:15-17:05

Nonstop11h 50m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£432

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Thu 17/12

16:05-17:45

1 stop14h 40m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£438

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Sat 19/9

07:18-11:55

2 stops42h 37m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£441

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Sat 24/10

20:05-18:05

Nonstop12h 00m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£461

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Fri 11/12

15:25-17:55

1 stop15h 30m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£462

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Mon 5/10

22:40-14:50

2 stops30h 10m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£486

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Tue 19/1

15:51-22:45

3 stops43h 54m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£488

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Tue 10/11

08:30-18:10

3 stops46h 40m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£489

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Tue 1/12

19:05-18:05

Nonstop12h 00m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£491

SeattleIstanbul

SEA Seattle/Tacoma Intl - IST Istanbul

SEAIST

Seattle/Tacoma Intl

Sat 12/12

18:45-14:20

1 stop32h 35m

Istanbul

Wed 31/12

00:00-14:00

Nonstop0h 00m

£512

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 20 resultsSorted by cheapest first
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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 return price

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?

Booking 48 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, February is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of £519). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of £935). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Istanbul Airport as you normally would.

How much does it cost for a return flight from Seattle to Istanbul Airport?

Airfare is below average for this route at the moment.

Seattle to Istanbul Airport flights typically cost between £634 and £831 in December.
The cheapest return price found within the last 5 days was £603 on United Airlines (9 Dec–24 Dec).

Related info for your journey

  • 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 is 1 flight from Seattle/Tacoma Intl to Istanbul per day from 0 different airlines.

  • How long is the flight from Seattle to Istanbul Airport?

    Departing from Seattle to Istanbul Airport will take you 17h 20m. Seattle and Istanbul Airport are separated by a distance of 6051 mi. This flight may include one or multiple stops.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Seattle to Istanbul Airport (average of £519). Flying from Seattle to Istanbul Airport in June is currently the most expensive (average of £935). 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

Travelling to a place near Istanbul Airport?

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Deals for Seattle to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Istanbul?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Istanbul for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Istanbul with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Istanbul flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Istanbul become cheaper?

Yes! Start tracking prices for Seattle to Istanbul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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