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

฿10,030 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 ฿10,030 for one-way flights and ฿18,165 for return, for the period specified. Prices and availability are subject to change.
Icelandair
Sun, 4 Oct - Sun, 25 Oct
IAD
Washington
LHR
London
฿18,165
Return
Found 18 hours ago
Select Icelandair flight, departing Sun, 4 Oct from Washington to London, returning Sun, 25 Oct, priced at ฿18,165 Found 18 hours ago
Icelandair
Sun, 4 Oct - Sun, 25 Oct
IAD
Washington
LHR
London
฿22,855
Return
Found 18 hours ago
Select Icelandair flight, departing Sun, 4 Oct from Washington to London, returning Sun, 25 Oct, priced at ฿22,855 Found 18 hours ago
Icelandair
Thu, 20 Aug - Fri, 28 Aug
IAD
Washington
LHR
London
฿27,390
Return
Found 4 days ago
Select Icelandair flight, departing Thu, 20 Aug from Washington to London, returning Fri, 28 Aug, priced at ฿27,390 Found 4 days ago
TAP Portugal
Sat, 15 Aug - Mon, 31 Aug
IAD
Washington
LGW
London
฿28,060
Return
Found 1 day ago
Select TAP Portugal flight, departing Sat, 15 Aug from Washington to London, returning Mon, 31 Aug, priced at ฿28,060 Found 1 day ago
TAP Portugal
Fri, 14 Aug - Mon, 31 Aug
IAD
Washington
LGW
London
฿29,065
Return
Found 1 day ago
Select TAP Portugal flight, departing Fri, 14 Aug from Washington to London, returning Mon, 31 Aug, priced at ฿29,065 Found 1 day ago
ITA Airways
Sun, 16 Aug - Mon, 31 Aug
IAD
Washington
LHR
London
฿29,125
Return
Found 1 day ago
Select ITA Airways flight, departing Sun, 16 Aug from Washington to London, returning Mon, 31 Aug, priced at ฿29,125 Found 1 day ago
Icelandair
Tue, 15 Sep - Sun, 20 Sep
BWI
Baltimore
LHR
London
฿29,510
Return
Found 9 hours ago
Select Icelandair flight, departing Tue, 15 Sep from Baltimore to London, returning Sun, 20 Sep, priced at ฿29,510 Found 9 hours ago
ITA Airways
Sun, 30 Aug - Sat, 5 Sep
IAD
Washington
LHR
London
฿29,565
Return
Found 6 days ago
Select ITA Airways flight, departing Sun, 30 Aug from Washington to London, returning Sat, 5 Sep, priced at ฿29,565 Found 6 days ago
United
Sun, 4 Oct - Sun, 25 Oct
IAD
Washington
LHR
London
฿30,185
Return
Found 18 hours ago
Select United flight, departing Sun, 4 Oct from Washington to London, returning Sun, 25 Oct, priced at ฿30,185 Found 18 hours ago
Air Canada
Sun, 4 Oct - Sun, 25 Oct
IAD
Washington
LHR
London
฿30,455
Return
Found 18 hours ago
Select Air Canada flight, departing Sun, 4 Oct from Washington to London, returning Sun, 25 Oct, priced at ฿30,455 Found 18 hours ago

Travel information

Origin airport
Baltimore Washington International Airport
Destination airport
London
Distance
5,905 km away
Return price
฿18,165
*Available to Expedia members.