Which airlines fly direct between Washington and London?

Airlines operating direct flights include British Airways, United Airlines, Virgin Atlantic.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $330 depending on season and advance booking.

Home FlightsWashington to London

Verified Route Guide

Flights from Washington to London

Q: How long is the flight from Washington to London?

The average nonstop flight time from Washington (IAD) to London (LHR) is approximately 7h 25m covering a distance of 5900 km.

Dulles International (IAD) → London Heathrow (LHR)

Fares From$330

Find Tickets Now

Flight Time

7h 25m

Nonstop average

Distance

5900 km

Air route corridor

Best Time to Fly

May - October

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Washington to London

Nonstop flights between Washington Dulles and London Heathrow. Compare legacy airline tickets with live availability.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Dulles International and London Heathrow, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

British Airways

United Airlines

Virgin Atlantic

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Washington (IAD) to London (LHR)
Flight Distance	5,900 kilometers / 3,666 miles
Average Flight Duration	7h 25m (nonstop)
Starting Fare	From $330 (0% added booking fees)
Operating Airlines	British Airways, United Airlines, Virgin Atlantic
Optimal Travel Season	May - October

Frequently Asked Questions About This Route

How long is the flight from Washington to London?

The nonstop flight takes approximately 7h 25m, traversing 5900 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.

Does Prymeo charge booking fees?

No. Prymeo is completely free. We redirect you directly to the airline or certified agency at zero extra markup.

Book Your Ticket

Real-time ticket search across 700+ airlines with instant e-ticket issuance.

Search IAD → LHR

Transparent airline baggage rules

Flexible ticket cancellation options

Backed by Lucebra Global Intelligence