Seattle, USA from €196 Roundtrip: British Airways & Alaska Airlines Error Fare from Istanbul, return to London

Credits : Fare originally spotted by SecretFlying. We independently verified availability and compiled the travel dates listed in this article.

An exceptional error fare is available from Istanbul to Seattle from just €196 roundtrip. The itinerary includes a British Airways flight via London on the outbound journey and a nonstop Alaska Airlines flight from Seattle to London on the return. Error fares are often corrected quickly, so booking as soon as possible is recommended.

Seattle is known for its stunning waterfront, coffee culture, vibrant food scene, and easy access to the Pacific Northwest's mountains, forests, and national parks.

Highlights:

✔ Error fare from €196 roundtrip

✔ Flights from Istanbul (IST) to Seattle (SEA)

✔ Outbound via London Heathrow (LHR) with British Airways

✔ Return nonstop to London with Alaska Airlines

✔ Travel from October 2026 through April 2027

✔ Rare opportunity for an exceptionally cheap transatlantic ticket

Example Dates:

1 – 8 October 2026

5 – 12 October 2026

5 - 19 October 2026

5 - 26 October 2026

6 – 13 October 2026

7 – 17 October 2026

13 – 20 October 2026

19 – 26 October 2026

5 – 12 November 2026

16 – 23 November 2026

1 – 8 December 2026

13 – 20 January 2027

18 – 25 January 2027

19 – 27 January 2027

25 January – 1 February 2027

26 January – 2 February 2027

10 – 17 February 2027

16 – 24 February 2027

10 – 17 March 2027

1 - 8 April 2027

7 - 15 Apil 2027

8 - 20 April 2027

Error fares can disappear or be corrected without notice, so availability may change rapidly.