€329 Cheap Flights Seattle to Istanbul (SEA-IST)

Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Sea-Tac Airport to IST start from €710. Book now to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.

We get that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.

To see what travel restrictions and quarantine requirements are in place for different citizens flying from Sea-Tac Airport to Istanbul Airport please visit our COVID 19 travel advisor portal link.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to IST flights, you'll see a "no change fees" filter for you to select.

SeaTac to Arnavutkoy is around 9,800 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Toss in some snacks to nibble on throughout your journey too.

If you want to fly straight from Sea-Tac Airport to Istanbul Airport, you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.

Last-minute bookings from SEA to Istanbul Airport can be hit-or-miss. You may be able to find a bargain, but you could also miss out completely! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines release their prices that far in advance. Our top tip? Check back often as prices are updated regularly.