Istanbul to Seattle flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Istanbul to Seattle is €359 with Aegean Airlines (checked on 5 Nov 2026).
Your next trip, last seen at €359
Lowest observedAegean Airlines · 3 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €359, departing 5 Apr 2027 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 59Check live prices for this route
- Round trip
- €672, departing 15 Mar 2027, back 21 Mar 2027 (Last checked: 12 Nov 2026)
- Non-stop, one way
- €690, departing 27 Jan 2027 (Last checked: 6 Nov 2026)
- Airlines seen
- Turkish Airlines, Aegean Airlines, Air Canada, Air France, Air Serbia, AJet, Alaska Airlines, British Airways, Condor, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, TAROM, United Airlines (16)
- Fastest observed flight time
- 12h 30m
- Non-stop
- Yes
About this route
Explore the fares we observed from Istanbul to Seattle. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,764 km
- Fastest observed flight time
- 12h 30m
- Airlines seen
- Turkish Airlines, Aegean Airlines, Air Canada, Air France, Air Serbia, AJet, Alaska Airlines, British Airways, Condor, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, TAROM, United Airlines (16)
- Alternative airports
- SAW, BFI
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Turkish Airlines | 29 / 94 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Sabiha Gökçen Airport (SAW) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 30 km.
- Istanbul Airport (IST) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 35 km.
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €522 | 14 |
| December 2026 | €495 | 22 |
| January 2027 | €425 | 9 |
| February 2027 | €424 | 14 |
Lowest fare by day of the week
Cheapest Tuesday departure we saw from Istanbul to Seattle: 23 Feb 2027, €424 (checked 9 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €499 | 8 |
| Tuesday | €424 | 10 |
| Wednesday | €516 | 6 |
| Thursday | €429 | 8 |
| Friday | €429 | 10 |
| Saturday | €429 | 9 |
| Sunday | €429 | 8 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €696 | 9 Nov 2026 | |
| €698 | 5 Nov 2026 | |
| €685 | 11 Nov 2026 | |
| €633 | 12 Nov 2026 | |
| €583 | 11 Nov 2026 | |
| €600 | 5 Nov 2026 | |
| €734 | 11 Nov 2026 | |
| €629 | 12 Nov 2026 | |
| €522 | 8 Nov 2026 | |
| €540 | 9 Nov 2026 | |
| €538 | 8 Nov 2026 | |
| €529 | 9 Nov 2026 | |
| €576 | 10 Nov 2026 | |
| €614 | 10 Nov 2026 | |
| €580 | 12 Nov 2026 | |
| €536 | 9 Nov 2026 | |
| €499 | 10 Nov 2026 | |
| €523 | 5 Nov 2026 | |
| €609 | 6 Nov 2026 | |
| €359 | 5 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Istanbul to Seattle by days until departure (61 days or more): €424 (checked 9 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €583 | 5 |
| 8 to 30 days | €495 | 19 |
| 31 to 60 days | €425 | 21 |
| 61 days or more | €424 | 14 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Istanbul to Seattle: AJet, €362 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| AJet | €362Apr 4, 2027 | 3 |
| Air Serbia | €411Apr 6, 2027 | 3 |
| Lufthansa | €600Nov 19, 2026 | 10 |
| KLM | €671Dec 5, 2026 | 4 |
| Turkish Airlines | €671Dec 24, 2026 | 32 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Istanbul to Seattle?
The lowest fare Routavio has observed is €359, found on 5 Nov 2026.
Are there direct flights from Istanbul to Seattle?
Yes. Published schedules report non-stop flights on this route with Turkish Airlines.
Which airlines fly from Istanbul to Seattle?
Routavio has seen these carriers on the route: Turkish Airlines, Aegean Airlines, Air Canada, Air France, Air Serbia, AJet, Alaska Airlines, British Airways, Condor, KLM, LOT Polish Airlines, Lufthansa, Pegasus Airlines, Qatar Airways, TAROM, United Airlines (16).
How long does the flight from Istanbul to Seattle take?
Across the 64 fares Routavio observed, the average journey time is 18h 17m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Istanbul to Seattle fares were non-stop?
33 of the 97 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Istanbul to Seattle?
Cheapest round trip: €672, departing 15 Mar 2027, back 21 Mar 2027 (checked 12 Nov 2026).
How much is a non-stop flight from Istanbul to Seattle?
Cheapest non-stop one-way fare: €690, departing 27 Jan 2027 (checked 6 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Istanbul to Seattle?
For Istanbul to Seattle, examples of observed one-way non-stop offers checked within the last 14 days: Turkish Airlines (29). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Istanbul to Seattle?
Cheapest Tuesday departure we saw from Istanbul to Seattle: 23 Feb 2027, €424 (checked 9 Nov 2026).
Which airline has the lowest fare from Istanbul to Seattle?
Cheapest airline from Istanbul to Seattle: AJet, €362 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.