Cheap Flights from Washington (DCA) to London (LTN)

The lowest price advertised for a round-trip flight between National Airport and London Luton Airport is . But you better act quick. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.

Plenty of airlines offer the option to move your flight at no extra charge. All you pay is the cost difference between flights. When searching for DCA to London Luton Airport flights, you'll see a "No change fees" filter for you to pick.

The distance is around 5,900 kilometres. Earplugs? Check. Toothbrush? Double check. We suggest you pack all the travel comforts for this long-haul Arlington to Luton flight.

Unfortunately, there are no airlines that directly fly between DCA and London Luton Airport. You'll need to book a flight with at least one stop.

Last-minute planners can sometimes find a bargain, with some super cheap airfares from National Airport to LTN surfacing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.