The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.

SAR 1,265 Cheap Flights from Washington (WAS) to London (LON)

Cheap Flights from Washington to London (WAS-LON)

Prices were available within the past 7 days and start at SAR 1,265 for one-way flights and SAR 3,030 for roundtrip, for the period specified. Prices and availability are subject to change.
SAS
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,030
Roundtrip
Found 4 hours ago
Select SAS flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,030 Found 4 hours ago
United
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,270
Roundtrip
Found 4 hours ago
Select United flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,270 Found 4 hours ago
Virgin Atlantic
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,279
Roundtrip
Found 4 hours ago
Select Virgin Atlantic flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,279 Found 4 hours ago
Delta
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,305
Roundtrip
Found 4 hours ago
Select Delta flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,305 Found 4 hours ago
Icelandair
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,349
Roundtrip
Found 4 hours ago
Select Icelandair flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,349 Found 4 hours ago
Swiss International Air Lines
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,374
Roundtrip
Found 4 hours ago
Select Swiss International Air Lines flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,374 Found 4 hours ago
Virgin Atlantic
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,387
Roundtrip
Found 4 hours ago
Select Virgin Atlantic flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,387 Found 4 hours ago
British Airways
Saturday, 2 January, 2027 - Tuesday, 12 January, 2027
BWI
Baltimore
LHR
London
SAR 3,399
Roundtrip
Found 1 day ago
Select British Airways flight, departing Saturday, 2 January, 2027 from Baltimore to London, returning Tuesday, 12 January, 2027, priced at SAR 3,399 Found 1 day ago
Air Canada
Wednesday, 18 November, 2026 - Wednesday, 25 November, 2026
IAD
Washington
LHR
London
SAR 3,430
Roundtrip
Found 4 hours ago
Select Air Canada flight, departing Wednesday, 18 November, 2026 from Washington to London, returning Wednesday, 25 November, 2026, priced at SAR 3,430 Found 4 hours ago
United
Monday, 14 December, 2026 - Friday, 1 January, 2027
DCA
Washington
LHR
London
SAR 4,217
Roundtrip
Found 11 hours ago
Select United flight, departing Monday, 14 December, 2026 from Washington to London, returning Friday, 1 January, 2027, priced at SAR 4,217 Found 11 hours ago

Travel information

Origin airport
Baltimore Washington Intl. Airport
Destination airport
Heathrow Airport
Distance
5,833 km away
Airlines serving
Finnair, Iberia, British Airways, Icelandair, Aer Lingus, Alaska Airlines, American Airlines, United, SAS, Delta, KLM, Air France, Virgin Atlantic, JetBlue Airways
Popular airline
Finnair
Roundtrip price
SAR 3,030
Average flight time
7 hours 20 mins
*Available to One Key members.