Flights from Seattle to Istanbul from US$ 809.99

For flights from Seattle (SEA) to Istanbul (IST), lower fares are found when traveling between February and April or in late November, outside the main summer peak. Within these months, Thursday departures are cheaper than Sunday departures on this route. Traveling in these periods and avoiding Sunday returns helps secure better prices for flights from Seattle to Istanbul.

Flights from Seattle (SEA) to Istanbul (IST) with Condor require a connection via Frankfurt (FRA). The flight takes about 10 hours from Seattle (SEA) to Frankfurt (FRA) and about 3 hours from Frankfurt (FRA) to Istanbul (IST).

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, Economy Class passengers are served a complimentary Taste the World Menu and a snack with free soft and hot drinks. In Premium Economy on this long-haul flight, travelers receive the Classic Premium Menu with upgraded meal service and drinks, while Business Class travelers receive the Taste the World Gourmet Menu with multiple courses and a wider choice of beverages. Onboard amenities and services on the connecting flight from Frankfurt (FRA) to Istanbul (IST) may differ, as this medium-haul part of the journey is operated under a separate service concept.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, Business class includes a lie-flat seat with 180° recline and a bed length of about 6 ft 6 in, a large 17.3'' 4K personal screen, and direct aisle access from every seat. Business Class travelers on this long-haul flight also receive the Taste the World Gourmet Menu with two curated main meals and snacks, an extensive selection of alcoholic and non-alcoholic drinks including a welcome drink, a high-quality amenity kit, and priority services at the airport such as lounge access and priority check-in and boarding. Onboard amenities and services on the connecting flight from Frankfurt (FRA) to Istanbul (IST) may differ, since this part of the journey follows the medium-haul product of the operating airline.

Flights from Seattle (SEA) to Istanbul (IST) with Condor are offered as one-stop connections via Frankfurt (FRA). In the summer season, the long-haul Seattle (SEA) – Frankfurt (FRA) flight and the onward Frankfurt (FRA) – Istanbul (IST) flight operate on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday.

Condor does not operate a nonstop flight from Seattle (SEA) to Istanbul (IST). Flights on this route are offered as one-stop connections via Frankfurt (FRA), with the long-haul Seattle (SEA) – Frankfurt (FRA) flight operated by Condor and the onward Frankfurt (FRA) – Istanbul (IST) flight operated by a partner airline such as Lufthansa.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, FlyConnect Wi‑Fi service is available so travelers can browse, use messaging apps, or check email during the flight for an additional fee. Different Wi‑Fi packages are offered, and charges apply based on the selected package and usage. Onboard amenities and services on the connecting flight from Frankfurt (FRA) to Istanbul (IST) may differ, and Wi‑Fi access on that medium-haul part of the journey depends on the aircraft and operating airline.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, three travel classes are offered: Economy Class, Premium Economy Class, and Business Class. Economy Class provides standard long-haul seating, personal entertainment screens, and the Taste the World Menu, while Premium Economy adds more space, an enhanced Classic Premium Menu, and increased baggage allowances compared with Economy. Business Class offers a fully flat seat, Taste the World Gourmet Menu, premium drinks, and additional ground services such as lounge access and priority handling on the Seattle (SEA) – Frankfurt (FRA) flight. The onward flight from Frankfurt (FRA) to Istanbul (IST) is a separate medium-haul service where available travel classes and onboard amenities may differ from the long-haul part of the journey.

For flights from Seattle (SEA) to Istanbul (IST), Baggage allowances are based on the long-haul flight between Seattle (SEA) and Frankfurt (FRA), with the onward flight to Istanbul (IST) following the rules of the operating airline. On long-haul flights in Economy Classic, Economy Green, and Economy Flex, cabin baggage includes one piece up to 8 kg, and on USA routes the free checked baggage allowance is 1 × 23 kg per adult or child for these Economy fares. Premium Economy Class increases cabin baggage to 10 kg, while Business Class includes cabin baggage up to 16 kg and, on USA routes, 2 checked bags of 32 kg each; baggage over 32 kg (70 lb) is not accepted for safety reasons. In Business Class on long-haul flights, one piece of sports equipment up to 30 kg can also be transported without extra charge when registered in advance, and any additional or heavier baggage can be booked for a fee. Baggage rules for the Frankfurt (FRA) – Istanbul (IST) part of the journey depend on the conditions of the partner airline operating that medium-haul flight.

For the Seattle (SEA) – Istanbul (IST) route, Condor offers different fare options with varying rules for changes and refunds. More flexible options are provided by Flex fares, which are designed to include easier rebooking and, depending on the specific fare, the possibility of refunds under more favorable conditions than basic Economy fares. Lower-priced Economy fares on this route have stricter conditions and higher fees for changes or cancellations. Travelers who place a high value on Flex fare for flights between Seattle and Istanbul should select a Flex fare when choosing their ticket.