background

Flight Deals from Washington to London from $227

Fly where?

Top flight deals from leading airlines:

TK LogoAF LogoLH LogoLX LogoBA LogoVS LogoOS Logo

... and +100s more

Change Your Mind? No Problem

Cancel within 24 hours for a full refund—no questions asked.

Price Drop Protection

We’ll refund the difference if the price drops before you fly.

No Surprises at Checkout

The prices shown are exactly what you pay, with no hidden taxes or fees.

24/7 Support

Expert travel agents, ready to help anytime by phone, chat, or email.

Stops

  • Nonstop
    from $635
  • Up to 1 stop
    $446
  • Up to 2 stops
    $543

Airlines

  • Air Canada
    $617
  • Air France
    $647
  • Austrian Airlines
    $640
  • British Airways
    $631
  • Delta Air Lines
    $621
  • Finnair
    $635
  • Icelandair
    $567
  • ITA Airways
    $672
  • JetBlue
    $640
  • KLM
    $655
  • Lufthansa
    $637
  • SAS Airlines
    $544
  • SWISS
    $633
  • TAP Portugal
    $446
  • United Airlines
    $617
  • Virgin Atlantic
    $621

Cabin Class

  • Economy
    $446

Departure Airports

  • Reagan Washington National Airport
    $545
  • Washington Dulles Airport
    $446

Arrival Airports

  • London City Airport
    $672
  • London Gatwick Airport
    $447
  • London Heathrow Airport
    $446

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $650
  • Amsterdam Airport Schiphol
    $621
  • Charlotte Douglas International Airport
    $636
  • Copenhagen Kastrup Airport
    $544
  • Detroit Metropolitan Airport
    $634
  • Francisco de Sá Carneiro Airport
    $543
  • Frankfurt am Main Airport
    $618
  • General Edward Lawrence Logan International Airport
    $589
  • Hartsfield Jackson Atlanta International Airport
    $642
  • Humberto Delgado Airport (Lisbon Portela Airport)
    $446
  • Montreal Trudeau Airport
    $617
  • New York John F Kennedy Airport
    $544
  • Newark Liberty Airport
    $657
  • Orlando International Airport
    $631
  • Oslo Gardermoen Airport
    $559
  • Paris Charles de Gaulle Airport
    $621
  • Reykjavik Keflavik Airport
    $567
  • Rome Fiumicino Airport
    $672
  • Stockholm Arlanda Airport
    $551
  • Tampa International Airport
    $641
  • Toronto Pearson Airport
    $625
  • Vienna International Airport
    $640
  • Zürich Airport
    $617
TAP Portugal Logo
5:30 pm – 12:40 pm
Washington(IAD)London(LHR)
IAD - LHR · 19h 10m
2 Mar
19h 10m
2 Mar
1 stop
LIS
TAP Portugal Logo
10:40 am – 10:00 pm
London(LHR)Washington(IAD)
LHR - IAD · 11h 20m
11 Mar
11h 20m
11 Mar
1 stop
LIS
$446
TAP Portugal Logo
5:30 pm – 9:50 am
Washington(IAD)London(LGW)
IAD - LGW · 16h 20m
17 Feb
16h 20m
17 Feb
1 stop
LIS
TAP Portugal Logo
4:35 pm – 3:15 pm
London(LGW)Washington(IAD)
LGW - IAD · 22h 40m
25 Feb
22h 40m
25 Feb
1 stop
LIS
$447
TAP Portugal Logo
5:30 pm – 9:25 am
Washington(IAD)London(LGW)
IAD - LGW · 39h 55m
3 Mar
39h 55m
3 Mar
2 stops
LIS, OPO
TAP Portugal Logo
10:40 am – 10:00 pm
London(LGW)Washington(IAD)
LGW - IAD · 11h 20m
11 Mar
11h 20m
11 Mar
1 stop
LIS
$543
SAS Airlines Logo
12:30 pm – 9:20 am
Washington(IAD)London(LHR)
IAD - LHR · 20h 50m
11 Mar
20h 50m
11 Mar
2 stops
JFK, CPH
SAS Airlines Logo
7:30 pm – 6:15 pm
London(LHR)Washington(IAD)
LHR - IAD · 22h 45m
15 Mar
22h 45m
15 Mar
1 stop
CPH
$544
SAS Airlines Logo
11:00 am – 9:20 am
Washington(DCA)London(LHR)
DCA - LHR · 22h 20m
24 Feb
22h 20m
24 Feb
2 stops
JFK, CPH
SAS Airlines Logo
7:30 pm – 5:15 pm
London(LHR)Washington(DCA)
LHR - DCA · 21h 45m
3 Mar
21h 45m
3 Mar
1 stop
CPH
$545
SAS Airlines Logo
12:30 pm – 9:20 am
Washington(IAD)London(LHR)
IAD - LHR · 20h 50m
11 Mar
20h 50m
11 Mar
2 stops
JFK, CPH
SAS Airlines Logo
6:40 am – 6:15 pm
London(LHR)Washington(IAD)
LHR - IAD · 11h 35m
16 Mar
11h 35m
16 Mar
2 stops
ARN, CPH
$551
SAS Airlines Logo
12:30 pm – 9:20 am
Washington(IAD)London(LHR)
IAD - LHR · 20h 50m
9 Feb
20h 50m
9 Feb
2 stops
JFK, CPH
SAS Airlines Logo
3:35 pm – 5:15 pm
London(LHR)Washington(IAD)
LHR - IAD · 25h 40m
17 Feb
25h 40m
17 Feb
2 stops
OSL, CPH
$559
Icelandair Logo
7:40 pm – 10:50 am
Washington(IAD)London(LHR)
IAD - LHR · 15h 10m
3 Mar
15h 10m
3 Mar
1 stop
KEF
Icelandair Logo
11:55 am – 7:30 pm
London(LHR)Washington(IAD)
LHR - IAD · 7h 35m
10 Mar
7h 35m
10 Mar
1 stop
KEF
$567
SAS Airlines Logo
10:35 am – 9:20 am
Washington(DCA)London(LHR)
DCA - LHR · 22h 45m
17 Feb
22h 45m
17 Feb
2 stops
BOS, CPH
SAS Airlines Logo
3:35 pm – 6:50 pm
London(LHR)Washington(DCA)
LHR - DCA · 27h 15m
20 Feb
27h 15m
20 Feb
2 stops
OSL, CPH
$589
Air Canada Logo
11:05 am – 7:10 am
Washington(DCA)London(LHR)
DCA - LHR · 20h 5m
9 Feb
20h 5m
9 Feb
1 stop
YUL
Air Canada Logo
8:05 pm – 4:40 pm
London(LHR)Washington(DCA)
LHR - DCA · 20h 35m
16 Feb
20h 35m
16 Feb
1 stop
ZRH
$617
United Airlines Logo
4:10 pm – 7:10 am
Washington(DCA)London(LHR)
DCA - LHR · 15h
3 Mar
15h
3 Mar
1 stop
YUL
United Airlines Logo
9:00 am – 5:40 pm
London(LHR)Washington(DCA)
LHR - DCA · 8h 40m
10 Mar
8h 40m
10 Mar
1 stop
ZRH
$617
Air Canada Logo
11:05 am – 7:10 am
Washington(DCA)London(LHR)
DCA - LHR · 20h 5m
10 Feb
20h 5m
10 Feb
1 stop
YUL
Air Canada Logo
7:30 am – 2:35 pm
London(LHR)Washington(DCA)
LHR - DCA · 7h 5m
20 Feb
7h 5m
20 Feb
1 stop
FRA
$618
Delta Air Lines Logo
10:20 pm – 10:50 am
Washington(IAD)London(LHR)
IAD - LHR · 12h 30m
3 Mar
12h 30m
3 Mar
nonstop
Delta Air Lines Logo
9:00 am – 5:35 pm
London(LHR)Washington(IAD)
LHR - IAD · 8h 35m
10 Mar
8h 35m
10 Mar
1 stop
CDG
$621
Virgin Atlantic Logo
6:50 pm – 1:45 pm
Washington(IAD)London(LHR)
IAD - LHR · 18h 55m
16 Feb
18h 55m
16 Feb
1 stop
CDG
Virgin Atlantic Logo
5:05 pm – 4:05 pm
London(LHR)Washington(IAD)
LHR - IAD · 23h
24 Feb
23h
24 Feb
1 stop
AMS
$621
Air Canada Logo
8:40 pm – 6:30 am
Washington(DCA)London(LHR)
DCA - LHR · 33h 50m
7 Feb
33h 50m
7 Feb
1 stop
YYZ
Air Canada Logo
7:30 am – 3:50 pm
London(LHR)Washington(DCA)
LHR - DCA · 8h 20m
17 Feb
8h 20m
17 Feb
1 stop
FRA
$625
British Airways Logo
6:20 pm – 6:30 am
Washington(IAD)London(LHR)
IAD - LHR · 12h 10m
18 Feb
12h 10m
18 Feb
nonstop
British Airways Logo
11:20 am – 9:30 pm
London(LHR)Washington(IAD)
LHR - IAD · 10h 10m
26 Feb
10h 10m
26 Feb
1 stop
MCO
$631
SWISS Logo
4:10 pm – 7:10 am
Washington(DCA)London(LHR)
DCA - LHR · 15h
17 Feb
15h
17 Feb
1 stop
YUL
SWISS Logo
6:40 pm – 4:40 pm
London(LHR)Washington(DCA)
LHR - DCA · 22h
25 Feb
22h
25 Feb
1 stop
ZRH
$633
Delta Air Lines Logo
7:59 pm – 8:10 pm
Washington(IAD)London(LHR)
IAD - LHR · 24h 11m
14 Feb
24h 11m
14 Feb
1 stop
JFK
Delta Air Lines Logo
9:20 am – 10:59 pm
London(LHR)Washington(IAD)
LHR - IAD · 37h 39m
23 Feb
37h 39m
23 Feb
2 stops
AMS, DTW
$634
Finnair Logo
6:20 pm – 6:30 am
Washington(IAD)London(LHR)
IAD - LHR · 12h 10m
16 Feb
12h 10m
16 Feb
nonstop
Finnair Logo
12:10 pm – 3:35 pm
London(LHR)Washington(IAD)
LHR - IAD · 3h 25m
24 Feb
3h 25m
24 Feb
nonstop
$635
British Airways Logo
5:54 pm – 12:00 pm
Washington(IAD)London(LHR)
IAD - LHR · 18h 6m
18 Feb
18h 6m
18 Feb
1 stop
CLT
British Airways Logo
11:20 am – 9:30 pm
London(LHR)Washington(IAD)
LHR - IAD · 10h 10m
26 Feb
10h 10m
26 Feb
1 stop
MCO
$636
Lufthansa Logo
1:20 pm – 7:10 am
Washington(IAD)London(LHR)
IAD - LHR · 17h 50m
3 Mar
17h 50m
3 Mar
1 stop
YUL
Lufthansa Logo
8:30 am – 4:50 pm
London(LHR)Washington(IAD)
LHR - IAD · 8h 20m
11 Mar
8h 20m
11 Mar
1 stop
FRA
$637
JetBlue Logo
10:45 am – 6:55 am
Washington(DCA)London(LHR)
DCA - LHR · 20h 10m
3 Mar
20h 10m
3 Mar
1 stop
BOS
JetBlue Logo
7:25 am – 10:57 pm
London(LHR)Washington(DCA)
LHR - DCA · 15h 32m
8 Mar
15h 32m
8 Mar
1 stop
JFK
$640
Austrian Airlines Logo
1:15 pm – 7:10 am
Washington(IAD)London(LHR)
IAD - LHR · 17h 55m
10 Feb
17h 55m
10 Feb
1 stop
YUL
Austrian Airlines Logo
7:25 pm – 2:40 pm
London(LHR)Washington(IAD)
LHR - IAD · 19h 15m
18 Feb
19h 15m
18 Feb
1 stop
VIE
$640
British Airways Logo
8:52 am – 7:30 am
Washington(IAD)London(LGW)
IAD - LGW · 22h 38m
3 Mar
22h 38m
3 Mar
2 stops
CLT, MCO
British Airways Logo
12:30 pm – 11:54 pm
London(LGW)Washington(IAD)
LGW - IAD · 11h 24m
11 Mar
11h 24m
11 Mar
2 stops
TPA, CLT
$641
Delta Air Lines Logo
4:00 pm – 9:00 am
Washington(IAD)London(LHR)
IAD - LHR · 17h
3 Mar
17h
3 Mar
1 stop
ATL
Delta Air Lines Logo
10:00 am – 5:05 pm
London(LHR)Washington(IAD)
LHR - IAD · 7h 5m
10 Mar
7h 5m
10 Mar
1 stop
AMS
$642
Air France Logo
6:50 pm – 6:20 pm
Washington(IAD)London(LHR)
IAD - LHR · 23h 30m
16 Feb
23h 30m
16 Feb
1 stop
CDG
Air France Logo
10:00 am – 4:05 pm
London(LHR)Washington(IAD)
LHR - IAD · 6h 5m
24 Feb
6h 5m
24 Feb
1 stop
AMS
$647
British Airways Logo
5:15 pm – 7:00 pm
Washington(DCA)London(LGW)
DCA - LGW · 25h 45m
3 Mar
25h 45m
3 Mar
2 stops
BOS, MAD
British Airways Logo
11:20 am – 11:00 pm
London(LGW)Washington(DCA)
LGW - DCA · 11h 40m
11 Mar
11h 40m
11 Mar
1 stop
MCO
$650
KLM Logo
7:59 pm – 8:10 pm
Washington(IAD)London(LHR)
IAD - LHR · 24h 11m
14 Feb
24h 11m
14 Feb
1 stop
JFK
KLM Logo
8:05 pm – 4:05 pm
London(LHR)Washington(IAD)
LHR - IAD · 20h
23 Feb
20h
23 Feb
1 stop
AMS
$655
SWISS Logo
12:35 pm – 5:50 pm
Washington(IAD)London(LGW)
IAD - LGW · 29h 15m
3 Mar
29h 15m
3 Mar
2 stops
EWR, ZRH
SWISS Logo
6:40 pm – 3:30 pm
London(LGW)Washington(IAD)
LGW - IAD · 20h 50m
11 Mar
20h 50m
11 Mar
1 stop
ZRH
$657
ITA Airways Logo
4:45 pm – 10:55 am
Washington(IAD)London(LCY)
IAD - LCY · 18h 10m
3 Mar
18h 10m
3 Mar
1 stop
FCO
ITA Airways Logo
4:45 pm – 3:40 pm
London(LCY)Washington(IAD)
LCY - IAD · 22h 55m
11 Mar
22h 55m
11 Mar
1 stop
FCO
$672

Top Deals on flights from Washington to London

Washington, US (WAS) - London, GB (LON)

TAP Portugal Logo
TAP Portugal

Nov 17

IAD
19h 10m
LIS

Nov 18

LHR

as low as

$227

Washington, US (WAS) - London, GB (LON)

TAP Portugal Logo
TAP Portugal

Nov 24

IAD
22h 15m
LIS

Nov 25

LGW

as low as

$231

Washington, US (WAS) - London, GB (LON)

SAS Airlines Logo
SAS Airlines

Dec 9

DCA
26h 45m
BOS
CPH

Dec 10

LHR

as low as

$278

Washington, US (WAS) - London, GB (LON)

JetBlue Logo
JetBlue

Dec 3

DCA
23h 55m
BOS

Dec 4

LHR

as low as

$278

Washington, US (WAS) - London, GB (LON)

SAS Airlines Logo
SAS Airlines

Feb 8

IAD
29h 10m
JFK
CPH

Feb 9

LHR

as low as

$279

Washington, US (WAS) - London, GB (LON)

Aer Lingus Logo
Aer Lingus

Nov 23

IAD
16h 25m
DUB

Nov 24

LHR

as low as

$338

Washington, US (WAS) - London, GB (LON)

TAP Portugal Logo
TAP Portugal

Nov 16

IAD
22h 5m
LIS
OPO

Nov 17

LGW

as low as

$358

Washington, US (WAS) - London, GB (LON)

United Airlines Logo
United Airlines

Dec 3

DCA
15h
YUL

Dec 4

LHR

as low as

$379

Washington, US (WAS) - London, GB (LON)

United Airlines Logo
United Airlines

Dec 3

IAD
12h 20m
Direct

Dec 4

LHR

as low as

$379

Washington, US (WAS) - London, GB (LON)

Air Canada Logo
Air Canada

Nov 10

DCA
15h
YUL

Nov 11

LHR

as low as

$381

Washington, US (WAS) - London, GB (LON)

Air Canada Logo
Air Canada

May 11

DCA
17h 35m
YOW

May 12

LHR

as low as

$381

Washington, US (WAS) - London, GB (LON)

SAS Airlines Logo
SAS Airlines

Dec 25

IAD
22h 20m
CPH
OSL

Dec 26

LHR

as low as

$382

Frequently Asked Questions

What are all possible destination arrival airports?
The possible destination arrival airports are London Heathrow Airport and London Gatwick Airport.
What is the time difference between destination and arrival?
The time difference between Washington and London is 5 hours, with London being ahead of Washington.
Is there a direct flight from Washington to London?
Yes, there are direct flights from Washington Dulles Airport to London Heathrow Airport. Airlines offering non-stop flights include British Airways at $653, United Airlines at $617, Delta Air Lines at $621, Virgin Atlantic at $622, and SWISS at $632.
Are there convenient layover flights from Washington to London?
Yes, convenient layover flights include TAP Portugal at $446, Icelandair at $518, SAS Airlines at $584, and United Airlines at $617. Additional options include Air Canada at $617 for flights with one stop. These flights feature various layovers and travel times.
What are the most convenient layover airports for the flight?
The most convenient layover airports are Humberto Delgado Airport (Lisbon), Reykjavik Keflavik Airport, Copenhagen Kastrup Airport, Montreal Trudeau Airport, and New York John F Kennedy Airport.
What is the cheapest and fastest flight from Washington to London?
The cheapest flight is with TAP Portugal for $446, 1 stop, taking 17 hours. The fastest flight is with British Airways for $653, non-stop, taking 11 hours 10 minutes. Airlines: TAP Portugal ($446), British Airways ($653).