Cheap flights from Washington, D.C. (WAS) to London (LON) from $200

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — LON
May 2 — May 91

The best prices from Washington, D.C. to London are usually found in February or January, booked 59 days in advance, depart on a Wednesday or Monday and return on a Saturday

Cheap flight deals from Washington, D.C. to London

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$644

One-way from

$200
High demand for flights, 25% potential price rise
Best time to find cheap flights, 15% potential price drop
From Washington, D.C. (WAS) to London (LON)
One-way flight from Washington, D.C. (WAS) to London (LON)

What is the cheapest day to fly round-trip from Washington, D.C. to London?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Washington, D.C. to London?

Travelers have found it’s best to book a flight 60 days in advance to save up to 21% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to London 1-2 weeks in advance for as low as $734, or $863 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. to London?

Our data shows that February tends to be the cheapest month to fly to London from Washington, D.C.. Users have commonly found prices around $691 for the month, but tickets can be as low as $370. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Washington, D.C. to London (WAS - LON)?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the morning.

Cheap Delta flights from Washington, D.C. to London

Explore cheap flight options specifically provided by Delta for the route between Washington, D.C. and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Find some of the cheapest Delta flights traveling from Washington, D.C. to London. It's recommended that users confirm their flight details before booking.
Sat 5/184:59 pmIAD - LHR
1 stop22h 11mDelta
Tue 5/286:15 amLHR - IAD
1 stop17h 55mDelta
Deal found 4/26$551
Sat 5/184:59 pmIAD - LHR
1 stop22h 11mDelta
Tue 5/285:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$558
Wed 5/15:21 pmBWI - LGW
1 stop11h 39mDelta
Wed 5/812:00 pmLGW - BWI
1 stop15h 52mDelta
Deal found 4/26$563
Wed 5/112:21 pmIAD - LHR
1 stop14h 44mDelta
Wed 5/89:00 amLHR - IAD
1 stop15h 10mDelta
Deal found 4/26$582
Thu 5/910:15 pmIAD - LHR
Nonstop7h 15mDelta
Wed 5/159:00 amLHR - IAD
1 stop12h 10mDelta
Deal found 4/25$586
Wed 5/15:05 pmIAD - LHR
1 stop12h 10mDelta
Wed 5/85:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$589
Thu 5/910:15 pmIAD - LHR
Nonstop7h 15mDelta
Wed 5/155:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/25$592
Wed 5/1510:15 pmIAD - LHR
Nonstop7h 15mDelta
Fri 5/315:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$618
Wed 10/210:15 pmIAD - LHR
Nonstop7h 15mDelta
Tue 10/85:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$623
  • One of the most popular airlines traveling from Washington, D.C. to London is Delta. Flights from Delta traveling this route typically cost $680.91 RT. This price is typically 81% cheaper than other airlines that offer Washington, D.C. to London flights. When booking this route, the cheapest RT price found was $570. Washington, D.C. Dulles Intl Airport is the most common Washington, D.C. airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Washington, D.C. to London, Delta flights are 8% more popular than any other airline flying that same route.

Cheap Icelandair flights from Washington, D.C. to London

Explore cheap flight options specifically provided by Icelandair for the route between Washington, D.C. and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Browse through some of the cheapest Icelandair flights traveling from Washington, D.C. to London. Make sure to examine the flight information before completing your reservation.
Thu 8/811:15 pmIAD - LHR
1 stop16h 05mIcelandair
Tue 8/209:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 4/26$573
Mon 9/28:30 pmBWI - LHR
1 stop18h 50mIcelandair
Tue 9/179:25 pmLHR - BWI
1 stop27h 00mIcelandair
Deal found 4/26$574
Wed 5/18:30 pmIAD - LHR
1 stop10h 25mIcelandair
Wed 5/89:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 4/26$578
Mon 4/298:30 pmBWI - LHR
1 stop10h 25mIcelandair
Thu 5/91:10 pmLHR - BWI
1 stop11h 15mIcelandair
Deal found 4/26$581
Mon 4/298:30 pmBWI - LHR
1 stop10h 25mIcelandair
Mon 5/139:25 pmLHR - BWI
1 stop27h 00mIcelandair
Deal found 4/26$582
Wed 5/18:30 pmIAD - LGW
1 stop10h 15mIcelandair
Wed 5/81:00 pmLGW - IAD
1 stop11h 15mIcelandair
Deal found 4/26$585
  • One of the most popular airlines traveling from Washington, D.C. to London is Icelandair. Washington, D.C. to London flights are typically 72% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $796.98 RT. The cheapest Icelandair flight found for this route was $411. The most popular departure airport in Washington, D.C. when flying to London is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Washington, D.C. to London, Icelandair flights are 5% more popular than any other airline flying that same route.

Cheap Washington, D.C. to London flights in April & May 2024

Find cheap flight options from Washington, D.C. to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.
Check out some of the best flight deals from Washington, D.C. to London in 2024. More deals are always being added, so be sure to check back regularly.
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$410
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/25$417
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Sat 5/1111:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$425
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Thu 5/911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$429
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$444
Mon 5/66:50 pmBWI - STN
1 stop10h 50mPLAY
Sat 5/1111:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$453
Sat 5/46:50 pmBWI - STN
1 stop10h 50mPLAY
Fri 5/1011:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$455
Mon 4/296:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$458
Sat 5/188:46 pmBWI - LGW
1 stop32h 14mMultiple Airlines
Mon 11/182:25 pmLGW - BWI
1 stop31h 30mMultiple Airlines
Deal found 4/26$458

Washington, D.C. to London 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Check out some of the best flight deals from Washington, D.C. to London in 2024. More deals are always being added, so be sure to check back regularly.
Thu 12/56:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 12/1010:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$355
Thu 12/56:05 pmBWI - STN
1 stop10h 50mPLAY
Tue 12/1010:55 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$355
Thu 12/56:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 12/1010:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$362
Tue 11/56:05 pmBWI - STN
1 stop10h 50mPLAY
Tue 11/1910:55 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$362
Sat 11/166:05 pmBWI - STN
1 stop10h 50mPLAY
Sat 11/2310:55 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$363
Wed 11/66:05 pmBWI - STN
1 stop10h 50mPLAY
Wed 11/1310:55 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$365
Tue 11/56:05 pmIAD - STN
1 stop10h 50mPLAY
Sat 11/1610:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$366
Tue 11/56:05 pmBWI - STN
1 stop10h 50mPLAY
Sat 11/1610:55 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$366
Sun 9/226:50 pmIAD - STN
1 stop10h 50mPLAY
Tue 10/111:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$368

Non-stop flights to London from Washington, D.C.

Discover non-stop flight options from Washington, D.C. to London. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Washington, D.C. to London. Users seeking other options on flights from Washington, D.C. to London should update the search form at the top of the page.
Mon 5/1310:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 5/245:30 pmLHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 4/25$542
Thu 5/910:15 pmIAD - LHR
Nonstop7h 15mDelta
Tue 5/145:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/25$592
Wed 5/1510:15 pmIAD - LHR
Nonstop7h 15mDelta
Fri 5/315:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$618
Sun 9/2210:25 pmIAD - LHR
Nonstop7h 15mLufthansa
Tue 10/14:40 pmLHR - IAD
Nonstop8h 15mLufthansa
Deal found 4/25$623
Wed 10/210:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Tue 10/812:35 pmLHR - IAD
Nonstop8h 00mBritish Airways
Deal found 4/26$624
Sun 8/1810:15 pmIAD - LHR
Nonstop7h 15mDelta
Tue 8/275:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 4/26$627
Tue 7/2310:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 11/84:15 pmLHR - IAD
Nonstop8h 15mVirgin Atlantic
Deal found 4/26$633
Tue 9/1010:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Wed 9/185:30 pmLHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 4/25$634
Sun 5/1910:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Fri 11/154:15 pmLHR - IAD
Nonstop8h 15mVirgin Atlantic
Deal found 4/26$639

Washington, D.C. to London flights leaving soon

Find last-minute flight options from Washington, D.C. to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Users seeking a last-minute flight from Washington, D.C. to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$410
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/25$417
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Sat 5/1111:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$425
Sat 5/46:50 pmIAD - STN
1 stop10h 50mPLAY
Thu 5/911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$429
Mon 5/66:50 pmBWI - STN
1 stop10h 50mPLAY
Sat 5/1111:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$453
Sat 5/46:50 pmBWI - STN
1 stop10h 50mPLAY
Fri 5/1011:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/26$455
Mon 4/296:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/26$458
Sat 5/46:50 pmBWI - STN
1 stop10h 50mPLAY
Fri 5/1011:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 4/25$461
Fri 5/106:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 4/25$463

One-way flights to London from Washington, D.C.

Search for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the one-way flights we've detected from Washington, D.C. to London. Users can also find round-trip Washington, D.C. to London flights by using the search form above.
Mon 9/233:25 pmBWI - LGW
1 stop13h 35mMultiple Airlines
Deal found 4/26$200
Tue 5/146:06 pmBWI - LGW
1 stop34h 54mMultiple Airlines
Deal found 4/25$201
Sat 5/187:45 pmBWI - LGW
1 stop33h 15mMultiple Airlines
Deal found 4/26$217
Sat 5/187:45 pmBWI - LGW
1 stop33h 15mMultiple Airlines
Deal found 4/26$218
Tue 9/243:25 pmBWI - LGW
1 stop13h 35mMultiple Airlines
Deal found 4/26$223
Wed 9/258:30 pmBWI - LHR
1 stop10h 25mIcelandair
Deal found 4/26$228
Mon 9/2311:15 pmIAD - LHR
1 stop16h 05mIcelandair
Deal found 4/26$228
Sun 5/196:14 amBWI - LGW
1 stop22h 46mMultiple Airlines
Deal found 4/26$228
Thu 9/268:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 4/26$229

Find flights from Washington, D.C. to London within your budget

Customize your flight search to find flights from Washington, D.C. to London 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, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$368 - $600

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon Stansted

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 9/22

1 stop10h 50m

London Stansted

Tue 10/1

1 stop11h 00m

$368

Washington, D.C. Dulles IntlLondon Gatwick

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/24

1 stop12h 05m

London Gatwick

Tue 10/8

1 stop27h 50m

$504

Washington, D.C. Reagan-NationalLondon Gatwick

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 5/13

1 stop11h 52m

London Gatwick

Fri 5/24

1 stop13h 58m

$521

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 5/18

1 stop22h 11m

London Heathrow

Tue 5/28

1 stop17h 55m

$551

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 10/15

1 stop17h 45m

London Heathrow

Mon 10/28

1 stop13h 45m

$555

Washington, D.C. Dulles IntlLondon Gatwick

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/2

1 stop13h 45m

London Gatwick

Tue 9/17

1 stop31h 35m

$564

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9/22

1 stop15h 05m

London Heathrow

Mon 9/30

1 stop14h 45m

$569

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 8/8

1 stop16h 05m

London Heathrow

Tue 8/20

1 stop26h 50m

$573

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 8/18

1 stop33h 40m

London Heathrow

Wed 8/21

2 stops14h 15m

$600

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Washington, D.C. to London?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to London. Price data was last updated on January 28, 2024.
The best time to book flights from Washington, D.C. to London is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Washington, D.C. to London?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to London. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to London flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Washington, D.C. to London by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to London is currently $219 while a round-trip flight costs $534. Price data was last updated on April 21, 2024.

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to London (average of $653). Flying from Washington, D.C. to London in June is currently the most expensive (average of $1,173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated April 27, 2024.
Get a feel of what it's like to fly with Delta, Icelandair and SWISS from Washington, D.C. to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very good
10,951 reviews
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.9
Good
1,623 reviews
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
2,056 reviews
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
1,382 reviews
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
746 reviews
8.1
Very good
10,951 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Washington, D.C. to London for under $400 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to London for under $400. The cheapest flight booked recently is on PLAY for just $368, but on average you can expect to pay $415.

  • Are there nonstop flights from Washington, D.C. to London for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. to London under $600. A good price for a nonstop flight from Washington, D.C. to London is less than $637.

  • Are there last-minute flights available from Washington, D.C. to London for under $500?

    There are currently 20+ open flights from Washington, D.C. to London within the next 7 days for less than $500.

  • What days are nonstop flights available from Washington, D.C. to London?

    Nonstop flights are available for this route on the following days: Tuesday, Wednesday, Saturday.

  • How many flights depart from Washington, D.C. to London on average per day?

    On average, you can expect to see 12 flights from Washington, D.C. to London a day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Washington, D.C. to London?

    There are many flights that can get you from Washington, D.C. to London in 10h 50m. Fly via PLAY to get the fastest option. Washington, D.C. and London are separated by a distance of 3687 mi.

  • What is the cheapest airline to fly from Washington, D.C. to London round-trip?

    Flying on PLAY is currently your cheapest option to London, with prices starting at $368. PLAY is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Washington, D.C. to London?

  • What are the most popular airlines that fly from Washington, D.C. to London?

  • What are the most reliable airlines from Washington, D.C. to London?

    The top 3 most reliable airlines when flying from Washington, D.C. to London are American Airlines (84%), Aer Lingus (84%) and Finnair (84%).

  • What are the cheapest flights from Washington, D.C. to London?

    While on average a flight from Washington, D.C. to London is generally $1,676, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $505 for that flight.

  • What does IAD to LHR mean?

    IAD stands for Washington, D.C. Dulles Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from Washington, D.C. to London?

  • What are some popular things to do or see while on a layover in Reykjavik?

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Icelandic Phallological Museum, and Harpa. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Icelandic Phallological Museum, or Harpa can do so by traveling 23.2 mi, 23.5 mi, and 23.3 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $54 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Dublin?

    St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle are the most popular attractions in Dublin if you're in need of something to do during your layover. Travelers on a layover in Dublin can visit St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle, by traveling 6.1 mi, 5.8 mi, and 5.8 mi, respectively after landing at Dublin. Travelers can book a car rental at Dublin for about $27 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to London flights?

  • Can I find deals for flights from Washington, D.C. to London that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington, D.C. to London that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London.

  • Can I find deals for business class flights from Washington, D.C. to London?

    Yes. Cheapflights offers flight deals from Washington, D.C. to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington, D.C. to London that allow pets onboard?

    Many airlines flying from Washington, D.C. to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to London?

    Yes, you can often find last-minute deals on Washington, D.C. to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to London flight deals updated?

    The Washington, D.C. to London flight deals you see on this page were last updated on 4/26.

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Fly from Washington, D.C. to London on these airlines
Choose from the following airlines for your flight from Washington, D.C. to London. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2024.

Top 10 airlines flying from Washington, D.C. to London

Discover the top 10 airlines that operate flights from Washington, D.C. to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$260Average$667FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest$351Average$502FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air CanadaCheapest$392Average$779FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest$395Average$777FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest$411Average$797FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$419Average$793FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest$426Average$447FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest$439Average$592FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest$461Average$677FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest$480Average$705FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Search flights from Washington, D.C. to London by cabin class

Find flights from Washington, D.C. to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Washington, D.C. to London

Find hourly flight availability from Washington, D.C. to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
66%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Washington, D.C. to London

Explore weekly flight availability from Washington, D.C. to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 27, 2024.
Sunday30daily flights
Monday30daily flights
Tuesday30daily flights
Wednesday30daily flights
Thursday30daily flights
Friday30daily flights
Saturday24daily flights

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Cheapflights makes it easy to find Washington, D.C. to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to London?

Cheapflights helps you find that perfect flight to London from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Yes! Cheapflights helps users easily find flights from Washington, D.C. to London with no change fees.

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Not ready to book yet? You can track prices for flights from Washington, D.C. to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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