Flights to Washington, D.C. Dulles Intl

£267 Cheap flights to Washington, D.C. Dulles Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. Dulles Intl Airport departing on 16/6. 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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Find the cheapest flights from the United Kingdom to Washington, D.C. Dulles Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
11:55 - 18:30
LGW
-
IAD
11h 35m
1 stop
Icelandair Logo
19:40 - 10:55
IAD
-
LGW
10h 15m
1 stop
£445Icelandair
Sun, 1 Nov - Sun, 8 Nov
Icelandair Logo
21:25 - 19:20
LHR
-
IAD
26h 55m
1 stop
Icelandair Logo
23:20 - 20:20
IAD
-
LHR
16h 00m
1 stop
£450Icelandair
Thu, 8 Oct - Sun, 11 Oct
Lufthansa Logo
09:15 - 16:05
LCY
-
IAD
11h 50m
1 stop
Lufthansa Logo
15:25 - 08:40
IAD
-
LCY
12h 15m
1 stop
£511Lufthansa
Thu, 17 Sep - Thu, 24 Sep
Virgin Atlantic Logo
07:45 - 15:35
LCY
-
IAD
12h 50m
1 stop
Virgin Atlantic Logo
18:10 - 09:30
IAD
-
LCY
10h 20m
1 stop
£519Virgin Atlantic
Wed, 22 Jul - Wed, 19 Aug
Virgin Atlantic Logo
19:00 - 15:35
LCY
-
IAD
25h 35m
1 stop
Virgin Atlantic Logo
18:10 - 09:30
IAD
-
LCY
10h 20m
1 stop
£520Virgin Atlantic
Wed, 5 Aug - Mon, 10 Aug
Lufthansa Logo
09:15 - 16:05
LCY
-
IAD
11h 50m
1 stop
Lufthansa Logo
15:25 - 08:40
IAD
-
LCY
12h 15m
1 stop
£521Lufthansa
Thu, 8 Oct - Thu, 15 Oct
Aer Lingus Logo
08:10 - 19:25
BHX
-
IAD
16h 15m
1 stop
Aer Lingus Logo
21:00 - 18:10
IAD
-
BHX
16h 10m
1 stop
£530Aer Lingus
Tue, 9 Jun - Fri, 12 Jun
Aer Lingus Logo
08:10 - 19:15
BHX
-
IAD
16h 05m
1 stop
Aer Lingus Logo
21:00 - 18:10
IAD
-
BHX
16h 10m
1 stop
£570Aer Lingus
Fri, 5 Jun - Fri, 12 Jun
British Airways Logo
09:35 - 17:25
NCL
-
IAD
12h 50m
1 stop
British Airways Logo
19:15 - 10:15
IAD
-
NCL
10h 00m
1 stop
£680British Airways
Wed, 29 Jul - Thu, 20 Aug
British Airways Logo
06:00 - 15:55
NCL
-
IAD
14h 55m
1 stop
British Airways Logo
19:15 - 10:15
IAD
-
NCL
10h 00m
1 stop
£689British Airways
Mon, 27 Jul - Thu, 20 Aug

momondo Fare Finder

 
Locate flights to Washington, D.C. Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 13 May 2026.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 1/11

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 8/11

19:40-10:55

1 stop10h 15m

£445

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 8/10

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 11/10

23:20-20:20

1 stop16h 00m

£450

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 17/9

09:15-16:05

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 24/9

15:25-08:40

1 stop12h 15m

£511

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 22/7

07:45-15:35

1 stop12h 50m

Washington, D.C. Dulles Intl

Wed 19/8

18:10-09:30

1 stop10h 20m

£519

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 5/8

19:00-15:35

1 stop25h 35m

Washington, D.C. Dulles Intl

Mon 10/8

18:10-09:30

1 stop10h 20m

£520

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 8/10

09:15-16:05

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 15/10

15:25-08:40

1 stop12h 15m

£521

BirminghamWashington, D.C.

BHX - IAD

BHXIAD

Birmingham

Tue 9/6

08:10-19:25

1 stop16h 15m

Washington, D.C. Dulles Intl

Fri 12/6

21:00-18:10

1 stop16h 10m

£530

BirminghamWashington, D.C.

BHX - IAD

BHXIAD

Birmingham

Fri 5/6

08:10-19:15

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 12/6

21:00-18:10

1 stop16h 10m

£570

Newcastle upon TyneWashington, D.C.

NCL - IAD

NCLIAD

Newcastle upon Tyne

Wed 29/7

09:35-17:25

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 20/8

19:15-10:15

1 stop10h 00m

£680

Newcastle upon TyneWashington, D.C.

NCL - IAD

NCLIAD

Newcastle upon Tyne

Mon 27/7

06:00-15:55

1 stop14h 55m

Washington, D.C. Dulles Intl

Thu 20/8

19:15-10:15

1 stop10h 00m

£689

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. Dulles Intl Airport from

Flights to Washington, D.C. Dulles Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £564. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £606.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from United Kingdom, with most prices found around £319. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from United Kingdom during September instead. Flights to Washington, D.C. Dulles Intl Airport in September, while not as cheap as those in January, still average around £473.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is at midday when flights can be purchased for as low as £555. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £582.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £538 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from United Kingdom for as low as £484 on momondo.

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORTFebruary15% cheaperFlying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport costs on average just £461 in February
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORTJuly13% more expensiveIt costs about £611 for flights to Washington, D.C. Dulles Intl Airport from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORTJuly491% more users visitedMore momondo users searched in flights to Washington, D.C. Dulles Intl Airport from London Heathrow Airport in July than any other month

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

Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines

Best One-Way Price

£267

Best Round-Trip Price

£445

Fastest flight time

12h 30m

Popular in

July
The best one-way flight price to Washington, D.C. from United Kingdom in the last 72 hours is £267 (Edinburgh Turnhouse to Washington, D.C. Dulles Intl).
The best round-trip flight price to Washington, D.C. from United Kingdom in the last 72 hours is £445 (London Gatwick to Washington, D.C. Dulles Intl).
The fastest flight to Washington, D.C. from United Kingdom takes 12h 30m (London City to Washington, D.C. Dulles Intl).
July has the highest demand for flights to Washington, D.C., with a 14% price increase on average.

Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, when booking your flight to Washington, D.C. Dulles Intl Airport, September is the cheapest month on average.

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

On average, from most locations, when planning your trip to Washington, D.C. Dulles Intl Airport, try to book your flight in the region of 86 days in advance for the cheapest prices.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

In general, booking your departure to Washington, D.C. Dulles Intl Airport for a Wednesday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

On average you can find the best deals on plane tickets to Washington, D.C. Dulles Intl Airport when looking for flights with Midday departure times.

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Finding an alternative and possibly cheaper destination airport near Washington, D.C. Dulles Intl Airport is possible. If you are planning a flight to Washington, D.C. Dulles Intl Airport, consider booking flights to Washington, D.C. Reagan-National Airport (4 mi from Washington, D.C. city centre) or Baltimore/Washington Airport (27 mi from Washington, D.C. city centre).

Is there a cheaper alternative to flying into Washington, D.C.?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Washington, D.C. is Washington, D.C. Reagan-National Airport where the average price is £296. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Washington, D.C.?

The best deal found on momondo in the last two weeks was a flight to Washington, D.C. from Boston for £95. This is 68% cheaper than most flight deals to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Washington, D.C. Dulles Intl Airport?

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

Prices for flights to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
Front Royal
Glen Burnie
Winchester
Laurel
Ellicott City
Lutherville Timonium
Cambridge
Westminster
Lexington Park
Leesburg
Ashburn
Sterling
Woodbridge

Why use momondo?

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

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

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

Yes. All flights to Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 to Washington, D.C..

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

Yes. momondo can track flight prices for Washington, D.C. 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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1 adult
Fri 12/6
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Popular Flights to Washington, D.C. Dulles Intl Airport

Popular routes according to searches in the past day on momondo