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Cheap flights from District of Columbia to the United Kingdom from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to the United Kingdom departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from District of Columbia to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:30 pm - 5:40 pmIAD-LHR
16h 10m1 stop
Scandinavian Airlines Logo
7:50 pm - 5:15 pmLHR-IAD
26h 25m2 stops
$522Scandinavian Airlines
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Wed, Dec 31 - Wed, Jan 28
TAP AIR PORTUGAL Logo
10:30 pm - 3:05 pmIAD-LGW
11h 35m1 stop
TAP AIR PORTUGAL Logo
9:35 am - 3:15 pmLGW-IAD
34h 40m2 stops
$523TAP AIR PORTUGAL
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Wed, Dec 3 - Wed, Dec 10
Icelandair Logo
7:40 pm - 7:30 pmIAD-LHR
18h 50m1 stop
Icelandair Logo
12:15 pm - 6:30 pmLHR-IAD
11h 15m1 stop
$524Icelandair
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Mon, Nov 3 - Sat, Nov 8
Multiple Airlines Logo
7:40 pm - 11:20 pmIAD-LGW
22h 40m2 stops
Multiple Airlines Logo
8:50 pm - 6:30 pmLGW-IAD
26h 40m2 stops
$525Multiple Airlines
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Sun, Nov 16 - Thu, Nov 20
Multiple Airlines Logo
7:40 pm - 3:45 pmIAD-STN
15h 05m2 stops
Multiple Airlines Logo
7:15 pm - 6:30 pmSTN-IAD
28h 15m2 stops
$533Multiple Airlines
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Mon, Nov 17 - Sat, Nov 22
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
$539Icelandair
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Wed, Nov 19 - Wed, Nov 26
Lufthansa Logo
10:55 pm - 3:50 pmIAD-LHR
11h 55m1 stop
Lufthansa Logo
11:10 am - 8:05 pmLHR-IAD
13h 55m1 stop
$570Lufthansa
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Mon, Dec 29 - Fri, Jan 9
SWISS Logo
8:45 pm - 5:55 pmIAD-LGW
16h 10m1 stop
SWISS Logo
6:40 pm - 5:40 pmLGW-IAD
27h 00m1 stop
$572SWISS
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Wed, Oct 22 - Wed, Oct 29
SWISS Logo
8:45 pm - 1:00 pmIAD-LHR
11h 15m1 stop
SWISS Logo
6:40 pm - 5:40 pmLHR-IAD
27h 00m1 stop
$576SWISS
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Wed, Oct 22 - Wed, Oct 29
Lufthansa Logo
6:00 am - 8:35 pmDCA-LHR
9h 35m1 stop
Lufthansa Logo
1:25 pm - 9:56 pmLHR-DCA
13h 31m1 stop
$596Lufthansa
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Wed, Nov 12 - Tue, Nov 18

JetBlue flights from District of Columbia to United Kingdom

Our best JetBlue deals on District of Columbia to United Kingdom flight tickets
JetBlue
Oct 14
DCA6:55 pmWashington, D.C. Reagan-National
9h 40m
1 stop
LGW9:35 amLondon Gatwick
Oct 19
LGW12:10 pmLondon Gatwick
13h 49m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
$599
Find similar
JetBlue
Oct 22
DCA6:25 amWashington, D.C. Reagan-National
9h 20m
1 stop
LHR8:45 pmLondon Heathrow
Nov 4
LHR7:25 amLondon Heathrow
12h 25m
1 stop
DCA2:50 pmWashington, D.C. Reagan-National
$601
Find similar
JetBlue
Nov 27
DCA1:55 pmWashington, D.C. Reagan-National
12h 00m
1 stop
LHR6:55 amLondon Heathrow
Dec 3
LHR9:20 amLondon Heathrow
11h 40m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
$602
Find similar

Delta flights from District of Columbia to United Kingdom

Our best Delta deals on District of Columbia to United Kingdom flight tickets
Delta
Oct 20
IAD7:59 pmWashington, D.C. Dulles Intl
10h 26m
1 stop
LHR11:25 amLondon Heathrow
Oct 30
LHR10:00 amLondon Heathrow
11h 05m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
$613
Find similar
Delta
Dec 2
DCA1:15 pmWashington, D.C. Reagan-National
12h 35m
1 stop
LHR6:50 amLondon Heathrow
Dec 9
LHR6:30 amLondon Heathrow
15h 06m
2 stops
DCA4:36 pmWashington, D.C. Reagan-National
$623
Find similar
Delta
Oct 20
IAD6:30 pmWashington, D.C. Dulles Intl
7h 30m
LHR7:00 amLondon Heathrow
Oct 28
LHR4:50 pmLondon Heathrow
8h 40m
IAD9:30 pmWashington, D.C. Dulles Intl
$636
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 7, 2025.
Use the filters below to find and compare flights from District of Columbia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 12/31

8:30 pm-5:40 pm

1 stop16h 10m

London Heathrow

Wed 1/28

7:50 pm-5:15 pm

2 stops26h 25m

$522

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 12/3

10:30 pm-3:05 pm

1 stop11h 35m

London Gatwick

Wed 12/10

9:35 am-3:15 pm

2 stops34h 40m

$523

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 11/3

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

Sat 11/8

12:15 pm-6:30 pm

1 stop11h 15m

$524

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

7:40 pm-11:20 pm

2 stops22h 40m

London Gatwick

Thu 11/20

8:50 pm-6:30 pm

2 stops26h 40m

$525

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 11/17

7:40 pm-3:45 pm

2 stops15h 05m

London Stansted

Sat 11/22

7:15 pm-6:30 pm

2 stops28h 15m

$533

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 11/19

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 11/26

11:55 am-6:30 pm

1 stop11h 35m

$539

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 12/29

10:55 pm-3:50 pm

1 stop11h 55m

London Heathrow

Fri 1/9

11:10 am-8:05 pm

1 stop13h 55m

$570

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 10/22

8:45 pm-5:55 pm

1 stop16h 10m

London Gatwick

Wed 10/29

6:40 pm-5:40 pm

1 stop27h 00m

$572

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 10/22

8:45 pm-1:00 pm

1 stop11h 15m

London Heathrow

Wed 10/29

6:40 pm-5:40 pm

1 stop27h 00m

$576

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 11/12

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Tue 11/18

1:25 pm-9:56 pm

1 stop13h 31m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from District of Columbia to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

In general, September is the cheapest month to fly from District of Columbia to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $630. If you aren’t able to travel to United Kingdom during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $655.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from District of Columbia to United Kingdom is on a Wednesday when prices can be found for as low as $763. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $908.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from District of Columbia to United Kingdom in the evening for as low as $812. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the afternoon, with an average ticket price of $822. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to United Kingdom flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $758 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from District of Columbia for as low as $702 on momondo.

What cabin class options are available on District of Columbia to United Kingdom flights?

There are 4 cabin classes available to choose from on District of Columbia to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to United Kingdom flights?

You could potentially save up to 58% on your flight if you consider stops on a District of Columbia to United Kingdom flight.

Cheap District of Columbia to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to United Kingdom

Best Price Found

$380

Fastest flight time

7h 05m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from District of Columbia in the past 72 hours is $380. The best round-trip flight deal from District of Columbia to United Kingdom found on momondo in the last 72 hours is $663.
The fastest flight from District of Columbia to United Kingdom takes 7h 05m
Direct flights go from District of Columbia to United Kingdom every day.
There are 2 airports near United Kingdom: London Heathrow (LHR), Edinburgh Turnhouse (EDI)
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to United Kingdom?

    Prices for flights from District of Columbia to United Kingdom were last updated today.

  • How many operators does momondo search for flights from District of Columbia to United Kingdom?

  • How old do you have to be to fly from District of Columbia to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from District of Columbia to United Kingdom?

Best airlines flying from District of Columbia to United Kingdom

Compare and see reviews for airlines that fly from District of Columbia to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $31Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
LufthansaPriceFrom $311Free CancellationRating
6.8
7,457 reviews
Search Lufthansa flights
PLAYPriceFrom $369Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $395Free CancellationRating
7.1
2,004 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $421Free CancellationRating
7.9
7,970 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $424Free CancellationRating
7.4
1,529 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $433Free CancellationRating
7.0
550 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom $497Free CancellationRating
7.4
665 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $497Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $506Free CancellationRating
7.4
8,958 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to United Kingdom?

Finding the right flight to United Kingdom from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

Can I find flights from District of Columbia to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to United Kingdom.

I’m not ready to book a flight from District of Columbia to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $316
Flights to Manchesterfrom $318
Flights to Edinburghfrom $318
Flights to Glasgowfrom $321
Flights to Birminghamfrom $403
Flights to Newcastle upon Tynefrom $440
Flights to Belfastfrom $470
Flights to Bristolfrom $435
Flights to Invernessfrom $420
Flights to Liverpoolfrom $472
Flights to Aberdeenfrom $487
Flights to Leedsfrom $431