Flights from Dulles to London
Fares, airlines, flight time and both airports for IAD–LHR.
Route snapshot: Dulles to London
Dulles (IAD) to London (LHR) is 5,902 km, about 7h 53m flying nonstop. Airlines with flights or nonstop fares on this route include United Airlines and British Airways. The lowest one-way fare seen recently was $370 with United Airlines (nonstop), departing 25 Nov 2026 — as of 11 Sept 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in London
Sort the airport transfer and pick a few things to do so you hit the ground running.
Getting out of London (LHR)
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
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Tours, tickets & day trips
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Browse LondonJust need timed-entry attraction tickets in London? Try Tiqets.Want a private driver-guide? Trip.com Private Tours in London.Flights IAD → LHR
Compare live fares from Dulles to London across 750+ airlines.
Find hotels in London
Hotels, hostels & more · Trip.com
Why travelers watch this route
Fares seen
The lowest one-way fare seen was $370 with United Airlines (nonstop), departing 25 Nov 2026; with connections it dropped to $330. Checked 11 Sept 2026 — fares move daily.
Seasonality
London has year-round travel demand, so fare differences often depend more on booking window and airline competition than on one single peak season.
Who flies it
Airlines with flights or nonstop fares here include United Airlines and British Airways. More carriers may sell it with a connection.
Airlines flying Dulles to London
Carriers on IAD–LHR according to our route data and nonstop fares seen as of 11 Sept 2026. Not a complete list.
Dulles–London route intelligence
Updated analysis of the IAD–LHR corridor — distance, timing, and connecting options.
Route profile
Dulles (IAD) to London (LHR) is a distance varies by routing corridor.
Best time to book
Booking 6-8 weeks ahead generally lands the best fare on this route.
Visa & arrival
Passport-validity and visa requirements differ between and UK — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to London
Based on weather and travel conditions in UK
UK is a great destination year-round. Check local weather patterns before booking and consider shoulder seasons for lower prices and fewer crowds.
Direct & Connecting Flights
Nonstop flights link Dulles (IAD) and London (LHR), taking about 7h 53m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on IAD–LHR was $370 USD (nonstop) as of 11 Sept 2026. Set a fare alert to be told when it drops.
About London, UK
Flights arrive at London Heathrow Airport (LHR). See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search IAD → LHR
See current Dulles to London fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for IAD and LHR.
Airline Route Maps
Explore the networks of airlines flying from Dulles and London.
London Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on IAD–LHR and related city pairs.
Visa Guides
Check entry rules before booking flights from Dulles to UK.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on Dulles → London
Limited-time offers — grab them before they're gone
Frequently asked questions — Dulles to London flights
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