International route
Cheap flights from Washington to London
Ronald Reagan Washington National Airport (DCA) to London Heathrow Airport (LHR). 3,655 miles, 7h 5m nonstop.
DCA to LHR at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 3,655 milesgreat-circle
- Typical flight time
- 7h 5mnonstop, gate to gate
- Nonstop airlines
- AABAVS3 airlinesAmerican, British Airways, Virgin Atlantic
- Nonstop flights per day
- 3all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday18% less than Friday
- Time difference
- 5h aheadLondon vs Washington
Washington to London
Round trips from $338
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppWashington to London fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Washington to London
3 airlines fly nonstop with 3 departures a day combined, plus 11 more with one stop.
- AAAmerican AirlinesoneworldNonstop · 1 flight a day · first checked bag from $40
- BABritish AirwaysoneworldNonstop · 1 flight a day · first checked bag from $75
- VSVirgin AtlanticSkyTeamNonstop · 1 flight a day · first checked bag from $75
- EIAer LingusConnecting via DUB, SNN · first checked bag from $70
- ACAir CanadaStar AllianceConnecting via YUL · first checked bag from $35
- AFAir FranceSkyTeamConnecting via ORY · first checked bag from $75
- DLDelta Air LinesSkyTeamConnecting via ATL, MSP, DTW, JFK, BOS, LGA · first checked bag from $35
- IBIberiaoneworldConnecting via MAD · first checked bag from $70
- AZITA AirwaysConnecting via FCO, MXP · first checked bag from $70
- B6JetBlueConnecting via JFK, BOS, MCO, SJU · first checked bag from $40
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH · first checked bag from $70
- TPTAP Air PortugalStar AllianceConnecting via LIS · first checked bag from $70
- UAUnited AirlinesStar AllianceConnecting via ORD · first checked bag from $40
- WSWestJetConnecting via YYZ · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- New York (JFK)DLB62 airlines
- Boston (BOS)DLB62 airlines
- Atlanta (ATL)DL1 airline
- Minneapolis (MSP)DL1 airline
- Detroit (DTW)DL1 airline
Which airport should I use?
Washington has 3 airports and London has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Washington
Tips for this route
- American, British and Virgin Atlantic all fly DCA to LHR nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $338; September 2026 is the most expensive at $436 and up, a difference of $98 per traveler.
- Departing on a Tuesday averages 18% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
- London is 5 hours ahead of Washington. Expect to lose 5 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
London: The most-flown transatlantic route, for good reason
London is the busiest international destination from the US, with nonstops from more than 30 American cities into Heathrow and Gatwick. The museums are free, the theater is world-class and the Tube reaches everything — including Heathrow.
Best time to visit: May–June and September are mild with long days; July–August is warm and busy. December has Christmas markets and lights. January–March is cold and gray but fares can drop below $500 round trip.
Flying the other way? London to WashingtonFares, airlines and tips for LHR to DCA.Ready to compare live fares?
See every airline on DCA–LHR side by side with bags and seat rules spelled out.
Search Washington to LondonWashington to London: common questions
How long is the flight from Washington to London?
A nonstop flight from Washington (DCA) to London (LHR) takes about 7h 5m gate to gate, covering 3,655 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from DCA to LHR?
American Airlines, British Airways and Virgin Atlantic operate nonstop flights from Washington (DCA) to London (LHR), with 3 nonstop departures a day between them. One-stop options connect through JFK, BOS and ATL.
What is the cheapest month to fly from Washington to London?
Over the next six months, January 2027 has the lowest round-trip fares from Washington (DCA) to London (LHR), starting at $338 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Washington to London flights?
Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Washington and London?
London is 5 hours ahead of Washington. DCA is on America/New York time and LHR on Europe/London time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.