Cheap flights from Seattle to England from $286

If you’re not able to fly to England in January, then March is your next best option. Flight prices from Seattle to England during March average around $780.

The cheapest day to depart on your flight to England is on a Monday when prices can be found for as low as $925. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to England is Saturday, with ticket prices averaging around $1,040.

According to our data, the cheapest time of day to fly to England is at noon. momondo users have found flights departing from Seattle to England at noon for as low as $961. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to England are more costly in the evening, with an average ticket price of $999. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to London Heathrow for the best Seattle/Tacoma Intl - England flight prices

You are more likely to see cheaper flights to England from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to England for around $922 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to England from Seattle for as low as $862 on momondo.

There are 4 cabin classes available to choose from on Seattle to England flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Icelandair, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to England

British Airways, Delta and Virgin Atlantic are the top three most popular airlines that fly to England from Seattle according to our data. British Airways is the first choice among our users, with 27% of people opting to fly with this airline when traveling to England. Keep in mind that there are 14 different airlines that fly to England on a routine basis, so you have a few additional options to choose from.

14 flights are operational daily from Seattle to England as of November 2026. The most popular departure time for this route is 6:00PM, with 54% of flights per day taking off in the afternoon.

As of November 2026, 100 flights take off from Seattle and land in England each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.