Cheap flights from London to Washington (LHR–IAD)
LHRLondon Heathrow Airport
United Kingdom
United Kingdom
IADWashington Dulles International Airport
United States
United States
British Airways, United Airlines and Virgin Atlantic fly London to Washington (LHR–IAD) nonstop and back, a great-circle distance of 5,900 km (3,670 mi).
- From
- LHR
- London
- To
- IAD
- Washington
- Nonstop
- Yes · 3 airlines
- Airlines
- BA · UA · VS
- Cheapest fare found
- £312 one-way
- Distance
- 5,900 km (3,670 mi)
- Time difference
- Washington 5 hours behind
- Most flights
- British Airways
- Time in the air
- 7h 37m · 6h 33m back
- On time (Touchdown Index)
- 78.4%
- Flights a week
- BA ~13 · UA ~10 · VS ~6
- Aircraft seen
- Boeing 777-200 · Airbus A330-900 · Boeing 777-300ER
Checked against sources:· How we verify
London to Washington fares by month
Cheapest one-way fare found: £312 for December 2026 on Icelandair (1 stop). Nonstop from £371.
- Oct ’26£399
- Nov ’26£349nonstop £371
- Dec ’26£312
- Jan ’27£350
- Sept ’27£339
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly LHR–IAD
For London Heathrow (LHR) to Washington Dulles (IAD), December 2026 had the lowest fare found (£312). Set your watch 5 hours back on landing at IAD.
London to Washington: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from London Heathrow (LHR) to Washington Dulles (IAD)?
From £312 one-way, the cheapest fare found for December 2026 on Icelandair with 1 stop; nonstop from £371 (found 8 October 2026).
How long is the LHR–IAD flight?
7h 37m wheels-up to wheels-down, the median of 128 tracked flights; IAD–LHR took 6h 33m.
Which airlines fly LHR–IAD direct?
British Airways, United Airlines and Virgin Atlantic.
What is the cheapest month to fly LHR–IAD?
December 2026, at £312; the dearest month found was £399.
What is the time difference between London and Washington?
Washington is 5 hours behind London: a LHR departure at noon is 07:00 local time in IAD.
Is LHR–IAD usually on time?
78.4% of 218 LHR–IAD flights landed within 15 minutes of their usual time; 8.7% were over an hour late.
How many LHR–IAD flights a week?
British Airways 13, United Airlines 10 and Virgin Atlantic 6 each way.
What aircraft fly LHR–IAD?
Boeing 777-200, Airbus A330-900 and Boeing 777-300ER.
Washington to London: the return flight (IAD–LHR)
All 3 airlines also fly IAD–LHR nonstop.
The return takes 6h 33m in the air (median of 103 tracked flights), 64 minutes shorter than LHR–IAD.
Airlines flying LHR–IAD nonstop
| Airline | Usually takes off (LHR time) | Type | Alliance | Notes |
|---|---|---|---|---|
 British Airways BA | 13:00–17:07 | full-service | oneworld | — |
| United Airlines UA | 12:26–17:11 | full-service | Star Alliance | — |
 Virgin Atlantic VS | 16:09–16:44 | full-service | SkyTeam | — |
One-stop alternatives to flying LHR–IAD nonstop
One airline on both legs; check it's sold as one ticket.
- Via Dublin (DUB) with
Aer Lingus: 5,910 km (3,670 mi) flown, almost no further than nonstop. - Via Newark (EWR) with United Airlines: 5,900 km (3,670 mi) flown, almost no further than nonstop.
- Via Keflavík (KEF) with
Icelandair: 6,390 km (3,970 mi) flown, 8% further than nonstop. - Via Paris (CDG) with
Air France: 6,550 km (4,070 mi) flown, 11% further than nonstop. - Via Amsterdam (AMS) with
KLM: 6,580 km (4,090 mi) flown, 11% further than nonstop.
LHR–IAD route map
More from London and Washington
Other arrivals in United States
Also nonstop from LHR, nearest to IAD first (straight-line distance):
- Baltimore (BWI) airport guide · 73 km (45 mi) from IAD
- LHR–PHL: Philadelphia · 216 km (134 mi) from IAD
- Pittsburgh (PIT) airport guide · 293 km (182 mi) from IAD
- LHR–EWR: Newark · 341 km (212 mi) from IAD
- Raleigh (RDU) airport guide · 361 km (224 mi) from IAD
Explore the airlines’ route maps
- British Airways route map and destinations
- United Airlines route map and destinations
- Virgin Atlantic route map and destinations
Plan your arrival at Washington Dulles International Airport (IAD)
Departure
London Heathrow Airport
Heathrow (LHR), London. In our data, 81 airlines fly nonstop from LHR to 213 destinations.
View LHR airport guide →Arrival
Washington Dulles International Airport
2 ways into Washington, fastest from 35 min:
- Metrorail Silver Line 55 min–1h 05m · $2.25–6.75
- Washington Flyer taxi 35 min–1h
Other nonstop airport pairs, London to Washington
London and Washington are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from Washington
Places you can't fly to nonstop from LHR, but can from IAD — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- mediacentre.britishairways.com — Gatwick–Bangkok year-round from 2026
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.