Cheap flights from Washington, D.C. Dulles Intl Airport to the United Kingdom from $256

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-EDI Edinburgh Turnhouse
11h 05m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
7:45 am - 6:30 pmEDI  Edinburgh Turnhouse-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Reykjavik Keflavik Intl
$580Multiple Airlines
Wed, Jan 13 - Sun, Jan 24
Multiple Airlines Logo
7:40 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-EDI Edinburgh Turnhouse
11h 05m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
7:45 am - 6:30 pmEDI  Edinburgh Turnhouse-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Reykjavik Keflavik Intl
$584Multiple Airlines
Wed, Feb 24 - Sun, Feb 28
Icelandair Logo
8:30 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
9:25 pm - 7:20 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
26h 55m1 stop Reykjavik Keflavik Intl
$683Icelandair
Wed, Apr 21 - Sun, May 16
Scandinavian Airlines Logo
8:30 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 55m2 stops Kastrup Copenhagen Oslo Gardermoen
Scandinavian Airlines Logo
6:40 am - 5:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Kastrup Copenhagen
$686Scandinavian Airlines
Wed, Feb 17 - Thu, Feb 25
Scandinavian Airlines Logo
8:30 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 55m2 stops Kastrup Copenhagen Oslo Gardermoen
Scandinavian Airlines Logo
7:05 am - 5:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 10m2 stops Oslo Gardermoen Kastrup Copenhagen
$690Scandinavian Airlines
Wed, Feb 17 - Thu, Feb 25
Icelandair Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
18h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 pm - 7:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
11h 15m1 stop Reykjavik Keflavik Intl
$691Icelandair
Thu, Mar 11 - Thu, Mar 18
TAP AIR PORTUGAL Logo
11:30 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 00m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:10 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
14h 10m1 stop Lisbon Humberto Delgado
$694TAP AIR PORTUGAL
Wed, Mar 17 - Tue, Apr 6
TAP AIR PORTUGAL Logo
5:25 pm - 12:40 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
14h 15m1 stop Lisbon Humberto Delgado
$696TAP AIR PORTUGAL
Thu, Feb 11 - Mon, Feb 15
American Airlines Logo
7:05 pm - 6:15 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 10mnonstop
American Airlines Logo
6:15 am - 5:20 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 05m1 stop Madrid Barajas
$740American Airlines
Mon, Mar 15 - Wed, Mar 17
American Airlines Logo
7:05 pm - 6:15 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 10mnonstop
American Airlines Logo
7:35 am - 5:20 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
13h 45m1 stop Madrid Barajas
$880American Airlines
Tue, Mar 16 - Wed, Mar 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to United Kingdom

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to United Kingdom flight tickets
TAP AIR PORTUGAL
Nov 10
IAD5:25 pmWashington, D.C. Dulles Intl
24h 15m
1 stop
LHR10:40 pmLondon Heathrow
Nov 17
LHR6:30 pmLondon Heathrow
31h 00m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
$694
TAP AIR PORTUGAL
Dec 6
IAD10:30 pmWashington, D.C. Dulles Intl
17h 05m
2 stops
LGW8:35 pmLondon Gatwick
Dec 14
LGW4:35 pmLondon Gatwick
27h 05m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
$697
TAP AIR PORTUGAL
Nov 13
IAD10:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LGW3:45 pmLondon Gatwick
Nov 23
LGW9:35 pmLondon Gatwick
22h 05m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$699

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to United Kingdom

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to United Kingdom flight tickets
Scandinavian Airlines
Feb 17
IAD8:30 pmWashington, D.C. Dulles Intl
14h 55m
2 stops
LHR4:25 pmLondon Heathrow
Feb 25
LHR6:40 amLondon Heathrow
15h 35m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$686
Scandinavian Airlines
Feb 17
IAD8:30 pmWashington, D.C. Dulles Intl
14h 55m
2 stops
LHR4:25 pmLondon Heathrow
Feb 25
LHR7:05 amLondon Heathrow
15h 10m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$690
Scandinavian Airlines
Feb 8
IAD8:30 pmWashington, D.C. Dulles Intl
14h 30m
1 stop
LHR4:00 pmLondon Heathrow
Feb 16
LHR7:30 pmLondon Heathrow
26h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$697

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Edinburgh

IAD Washington, D.C. Dulles Intl - EDI Edinburgh Turnhouse

IADEDI

Washington, D.C. Dulles Intl

Wed 1/13

7:40 pm-11:45 am

1 stop11h 05m

Edinburgh Turnhouse

Sun 1/24

7:45 am-6:30 pm

1 stop15h 45m

$580

Washington, D.C.Edinburgh

IAD Washington, D.C. Dulles Intl - EDI Edinburgh Turnhouse

IADEDI

Washington, D.C. Dulles Intl

Wed 2/24

7:40 pm-11:45 am

1 stop11h 05m

Edinburgh Turnhouse

Sun 2/28

7:45 am-6:30 pm

1 stop15h 45m

$584

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 4/21

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 5/16

9:25 pm-7:20 pm

1 stop26h 55m

$683

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 2/17

8:30 pm-4:25 pm

2 stops14h 55m

London Heathrow

Thu 2/25

6:40 am-5:15 pm

1 stop15h 35m

$686

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 2/17

8:30 pm-4:25 pm

2 stops14h 55m

London Heathrow

Thu 2/25

7:05 am-5:15 pm

2 stops15h 10m

$690

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 3/11

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

Thu 3/18

12:15 pm-7:30 pm

1 stop11h 15m

$691

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 3/17

11:30 pm-5:30 pm

1 stop14h 00m

London Heathrow

Tue 4/6

6:00 am-3:10 pm

1 stop14h 10m

$694

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 2/11

5:25 pm-12:40 pm

1 stop14h 15m

London Heathrow

Mon 2/15

6:00 am-3:15 pm

1 stop14h 15m

$696

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 3/15

7:05 pm-6:15 am

Nonstop7h 10m

London Heathrow

Wed 3/17

6:15 am-5:20 pm

1 stop15h 05m

$740
Quickest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 3/16

7:05 pm-6:15 am

Nonstop7h 10m

London Heathrow

Wed 3/24

7:35 am-5:20 pm

1 stop13h 45m

$880

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $722. If you aren’t able to travel to United Kingdom during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $735.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to United Kingdom is on a Wednesday when prices can be found for as low as $951. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $1,049.

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 afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to United Kingdom in the afternoon for as low as $993. 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 evening, with an average ticket price of $1,008. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to United Kingdom flight route?

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

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $936 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Washington, D.C. Dulles Intl Airport for as low as $862 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to United Kingdom flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to United Kingdom flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to United Kingdom flight.

Cheap Washington, D.C. Dulles Intl Airport to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to United Kingdom

Best Price Found

$256

Fastest flight time

7h 10m

Direct flights

Every day

Airports in United Kingdom

1,285 airports
The best one-way flight to United Kingdom from Washington, D.C. Dulles Intl Airport in the past 72 hours is $256. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to United Kingdom found on momondo in the last 72 hours is $580.
The fastest flight from Washington, D.C. Dulles Intl Airport to United Kingdom takes 7h 10m
Direct flights go from Washington, D.C. Dulles Intl Airport to United Kingdom every day.
There are 1,285 airports in United Kingdom. From Washington, D.C. Dulles Intl Airport there are direct flights to London Heathrow (LHR).

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to the United Kingdom

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to United Kingdom?

    Prices for flights from Washington, D.C. Dulles Intl Airport to United Kingdom refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to United Kingdom?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to United Kingdom?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to United Kingdom.

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

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to United Kingdom?

Best airlines flying from Washington, D.C. Dulles Intl Airport to United Kingdom

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $390Free CancellationRating
7.5
698 reviews
Search Virgin Atlantic flights
TAP AIR PORTUGALPriceFrom $424Free CancellationRating
7.2
2,395 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $450Free CancellationRating
7.8
8,700 reviews
Search Delta flights
IcelandairPriceFrom $487Free CancellationRating
6.9
767 reviews
Search Icelandair flights
IberiaPriceFrom $500Free CancellationRating
7.0
3,230 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $515Free CancellationRating
7.5
2,028 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $520Free CancellationRating
6.7
8,286 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.5
1,647 reviews
Search Air France flights
SWISSPriceFrom $593Free CancellationRating
7.5
2,116 reviews
Search SWISS flights
FinnairPriceFrom $606Free CancellationRating
7.6
1,413 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to United Kingdom?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to United Kingdom. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to United Kingdom with flexible booking policies on momondo?

All flight searches from Washington, D.C. to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to United Kingdom?

momondo helps you find the best flight between Washington, D.C. and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. 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.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/9
Wed 12/16

Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom