$192 Find Cheap Icelandair Flights from Seattle to London

When to Book Flights with Icelandair from Seattle to London

• How far in advance should I book tickets for a flight with Icelandair from Seattle to London?

  Generally, when trying to get a below average price for your ticket, try to book around 7 days before departure. For the cheapest possible price, our data suggests booking 80 days before departure.

• Is Icelandair the cheapest airline to fly with from Seattle to London?

  Yes, based on our data, Icelandair is the cheapest airline to fly the route with an average price of $675 return. The next cheapest options are Iberia and Lufthansa, with return flights costing on average $732 and $768 respectively.

• What is the cheapest Icelandair flight from Seattle to London?

  In the last 3 days, the lowest price for a flight with Icelandair from Seattle to London was $609 for a return flight and $409 for a one-way flight.

• Does Icelandair fly direct to London from Seattle?

  No, Icelandair does not fly the route directly.

• What’s the cheapest day of the week to fly from Seattle to London with Icelandair?

  On average, the cheapest day of the week to fly from Seattle to London with Icelandair is Monday, when prices are around $194. The most expensive day is generally Thursday, where the average price is around $220.

• What’s the cheapest month to fly from Seattle to London with Icelandair?

  The cheapest month for Icelandair flights to London from Seattle is generally November, where plane tickets cost $238 on average. If possible, try to avoid the most expensive months of August and June, where tickets cost $387 and $507 respectively.