Cheap flights from Istanbul Airport to Seattle from $344

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 $658. 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 $666.

On average, the least expensive day to fly to Seattle from Istanbul Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $753. 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.

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 $772 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $834. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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 $560 on momondo.

No. A direct flight is the cheapest option for a flight between Istanbul Airport to Seattle.

As of May 2026, prices for Istanbul Airport to Seattle flights are approximately 31% cheaper when compared to flights at the same time last year.

British Airways and Qatar Airways are the most popular carriers operating from Istanbul to Seattle/Tacoma Intl

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Seattle from Istanbul Airport according to our data. Turkish Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Istanbul and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

Amsterdam (AMS) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $635.

Flights connecting via London (LHR) have the shortest average one-way travel time: 15h 15m.

London (LHR) has the shortest average layover time for this route: 1h 55m.

As of May 2026, 1 flights take off from Istanbul Airport and land in Seattle each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

7 flights are operational weekly from Istanbul Airport to Seattle as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.