Fly nonstop from Seattle to London for $405 round-trip on Norwegian.

Seen below, we found seats departing Seattle SEA on Friday, May 4, returning from LGW on Friday, May 11.

Other dates are available for travel in April/May.

This price only includes up to 10kg (22 lbs.) of carry-on luggage. Adding a checked bag starts at $45 each way, which would bring the total to $495 round-trip.

See our Seattle SEA fare listings for a complete look at current finds.

Need a room in London? Here's what's available for the above dates on Hotelwatchdog.

Stay on top of breaking airfare deals as we find them! Follow @airfarewatchdog on Twitter.

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