Find flights
When to book
Airlines
FAQs

Cheap flights from London to Washington, D.C. from C$ 403

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 20/5. 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.
YXU — WAS
6 May — 13 May1
1 adult
Mon 6/5
Mon 13/5

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

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Washington, D.C. (WAS). 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 1 May 2024.

Popular in

November

Cheapest in

March

Average price

C$ 613

Round-trip from

C$ 360
High demand for flights, 40% potential price rise
Best time to find cheap flights, 23% potential price drop
Average for round-trip flights in May 2024
From London to Washington, D.C. (WAS)

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

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, March can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from London, Ontario in March are about C$ 651 on average during March, but can be found for as low as C$ 499.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Washington, D.C. as you normally would.

Cheap United Airlines flights from London to Washington, D.C.

Explore cheap flight options specifically provided by United Airlines for the route between London and Washington, D.C.. 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 483,025 searches. Data last updated 1 May 2024.
Take a peek at the cheapest United Airlines flights we've detected travelling from London to Washington, D.C.. Make sure to double check the flight details before booking.
Tue 24/93:25 p.m.YXU - IAD
1 stop5h 56mUnited Airlines
Mon 7/1010:10 p.m.IAD - YXU
2 stops16h 37mUnited Airlines
Deal found 1/5C$ 722
Tue 24/99:50 a.m.YXU - IAD
2 stops10h 53mUnited Airlines
Mon 7/1010:10 p.m.IAD - YXU
2 stops16h 37mUnited Airlines
Deal found 1/5C$ 761
Sat 31/89:50 a.m.YXU - IAD
2 stops10h 53mUnited Airlines
Wed 4/96:05 a.m.IAD - YXU
2 stops8h 42mUnited Airlines
Deal found 29/4C$ 782
Sat 29/63:20 p.m.YXU - IAD
1 stop4h 59mUnited Airlines
Sun 7/76:00 a.m.IAD - YXU
2 stops8h 45mUnited Airlines
Deal found 30/4C$ 798
Sat 29/63:20 p.m.YXU - IAD
2 stops7h 12mUnited Airlines
Sun 7/76:00 a.m.IAD - YXU
2 stops8h 45mUnited Airlines
Deal found 30/4C$ 872

Cheap Air Canada flights from London to Washington, D.C.

Explore cheap flight options specifically provided by Air Canada for the route between London and Washington, D.C.. 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 483,025 searches. Data last updated 1 May 2024.
Some of the best deals we've found on Air Canada flights travelling from London to Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 24/96:00 a.m.YXU - DCA
2 stops6h 20mAir Canada
Mon 7/109:15 a.m.DCA - YXU
1 stop5h 32mAir Canada
Deal found 1/5C$ 706
Tue 24/99:50 a.m.YXU - IAD
2 stops7h 35mAir Canada
Mon 7/104:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 1/5C$ 711
Tue 24/99:50 a.m.YXU - IAD
1 stop5h 28mAir Canada
Mon 7/104:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 1/5C$ 713
Tue 24/96:00 a.m.YXU - DCA
2 stops6h 20mAir Canada
Mon 7/1011:00 a.m.DCA - YXU
2 stops10h 37mAir Canada
Deal found 1/5C$ 726
Sun 28/79:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Thu 1/84:00 p.m.IAD - YXU
1 stop5h 35mAir Canada
Deal found 30/4C$ 735
Mon 24/63:20 p.m.YXU - DCA
1 stop4h 35mAir Canada
Sun 30/69:15 a.m.DCA - YXU
1 stop5h 30mAir Canada
Deal found 1/5C$ 742
Sat 31/83:20 p.m.YXU - IAD
1 stop4h 59mAir Canada
Wed 4/94:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 30/4C$ 745
Sat 31/86:00 a.m.YXU - IAD
1 stop5h 35mAir Canada
Wed 4/94:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 29/4C$ 748
Tue 25/63:20 p.m.YXU - DCA
1 stop7h 15mAir Canada
Sun 30/69:15 a.m.DCA - YXU
1 stop5h 30mAir Canada
Deal found 1/5C$ 752

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

Find cheap flight options from London to Washington, D.C. specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 483,025 searches. Prices were last updated on 1 May 2024.
Check out some of the best flight deals from London to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
Thu 30/53:25 p.m.YXU - IAD
1 stop5h 51mMultiple Airlines
Thu 6/66:30 a.m.IAD - YXU
1 stop8h 16mMultiple Airlines
Deal found 30/4C$ 778
Wed 22/59:50 a.m.YXU - IAD
2 stops7h 40mAir Canada
Thu 30/56:30 a.m.IAD - YXU
1 stop8h 16mAir Canada
Deal found 30/4C$ 812
Wed 22/53:25 p.m.YXU - IAD
1 stop5h 55mAir Canada
Thu 30/56:30 a.m.IAD - YXU
1 stop8h 16mAir Canada
Deal found 30/4C$ 818
Thu 30/53:25 p.m.YXU - IAD
2 stops9h 22mMultiple Airlines
Thu 6/66:30 a.m.IAD - YXU
1 stop8h 16mMultiple Airlines
Deal found 30/4C$ 837
Wed 22/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Thu 30/56:30 a.m.IAD - YXU
2 stops8h 16mAir Canada
Deal found 30/4C$ 927
Thu 30/53:25 p.m.YXU - IAD
2 stops15h 59mMultiple Airlines
Thu 6/66:14 a.m.IAD - YXU
2 stops8h 32mMultiple Airlines
Deal found 30/4C$ 1,156
Wed 22/59:50 a.m.YXU - BWI
2 stops11h 39mMultiple Airlines
Thu 30/54:59 p.m.BWI - YXU
2 stops21h 47mMultiple Airlines
Deal found 30/4C$ 1,420
Thu 30/58:00 p.m.YXU - DCA
2 stops15h 36mWestJet
Thu 6/66:00 a.m.DCA - YXU
2 stops13h 13mWestJet
Deal found 30/4C$ 1,498

London to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between London and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 483,025 searches. Data last updated 1 May 2024.
Check out some of the best flight deals from London to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
Tue 24/96:00 a.m.YXU - DCA
2 stops6h 20mAir Canada
Mon 7/109:15 a.m.DCA - YXU
1 stop5h 32mAir Canada
Deal found 1/5C$ 706
Tue 24/99:50 a.m.YXU - IAD
2 stops7h 35mAir Canada
Mon 7/104:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 1/5C$ 711
Tue 24/96:20 p.m.YXU - DCA
1 stop4h 15mAir Canada
Mon 7/109:15 a.m.DCA - YXU
1 stop5h 32mAir Canada
Deal found 1/5C$ 713
Tue 24/99:50 a.m.YXU - IAD
1 stop5h 28mAir Canada
Mon 7/104:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 1/5C$ 713
Tue 24/93:25 p.m.YXU - IAD
1 stop5h 56mUnited Airlines
Mon 7/1010:10 p.m.IAD - YXU
2 stops16h 37mUnited Airlines
Deal found 1/5C$ 722
Tue 24/96:00 a.m.YXU - DCA
2 stops6h 20mAir Canada
Mon 7/1011:00 a.m.DCA - YXU
2 stops10h 37mAir Canada
Deal found 1/5C$ 726
Tue 24/96:00 a.m.YXU - DCA
2 stops8h 21mUnited Airlines
Mon 7/108:00 p.m.DCA - YXU
2 stops18h 47mUnited Airlines
Deal found 1/5C$ 730
Sun 28/79:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Thu 1/84:00 p.m.IAD - YXU
1 stop5h 35mAir Canada
Deal found 30/4C$ 735
Sat 24/86:20 p.m.YXU - DCA
1 stop4h 15mAir Canada
Wed 28/89:15 a.m.DCA - YXU
1 stop5h 30mAir Canada
Deal found 30/4C$ 745

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

Search for one-way flight options from London to Washington, D.C.. 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 483,025 searches. Data last updated 1 May 2024.
If you're seeking multiple options on one-way flights from London to Washington, D.C., be sure to check out these deals, which are updated often. Users needing a return flight from London to Washington, D.C. should utilize the search form above.
Mon 20/56:15 a.m.YXU - IAD
1 stop11h 49mWestJet
Deal found 30/4C$ 403
Mon 20/56:15 a.m.YXU - BWI
2 stops30h 01mMultiple Airlines
Deal found 30/4C$ 429
Sun 19/58:00 p.m.YXU - IAD
1 stop22h 04mWestJet
Deal found 30/4C$ 442
Tue 21/53:25 p.m.YXU - DCA
1 stop4h 27mAir Canada
Deal found 30/4C$ 443
Tue 21/59:50 a.m.YXU - IAD
1 stop5h 25mAir Canada
Deal found 30/4C$ 443
Tue 21/59:50 a.m.YXU - DCA
2 stops8h 10mUnited Airlines
Deal found 30/4C$ 451
Tue 21/53:25 p.m.YXU - IAD
2 stops7h 53mUnited Airlines
Deal found 30/4C$ 451
Sun 19/58:00 p.m.YXU - BWI
3 stops49h 06mMultiple Airlines
Deal found 30/4C$ 471
Sun 19/58:00 p.m.YXU - BWI
2 stops16h 54mMultiple Airlines
Deal found 30/4C$ 472

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

Customize your flight search to find flights from London to Washington, D.C. 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 483,025 searches. Data last updated 1 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 707 - C$ 1,498

Route

Depart

Return

Price

LondonWashington, D.C. Reagan-National

YXU - DCA

YXUDCA

London

Tue 24/9

2 stops6h 20m

Washington, D.C. Reagan-National

Mon 7/10

1 stop5h 32m

C$ 706

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Tue 24/9

2 stops7h 35m

Washington, D.C. Dulles Intl

Mon 7/10

1 stop5h 37m

C$ 711

LondonWashington, D.C. Reagan-National

YXU - DCA

YXUDCA

London

Tue 24/9

1 stop4h 15m

Washington, D.C. Reagan-National

Mon 7/10

1 stop5h 32m

C$ 713

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Tue 24/9

1 stop5h 56m

Washington, D.C. Dulles Intl

Mon 7/10

2 stops16h 37m

C$ 722

LondonWashington, D.C. Reagan-National

YXU - DCA

YXUDCA

London

Tue 24/9

2 stops8h 21m

Washington, D.C. Reagan-National

Mon 7/10

1 stop5h 32m

C$ 730

LondonBaltimore/Washington

YXU - BWI

YXUBWI

London

Tue 24/9

2 stops8h 11m

Baltimore/Washington

Mon 7/10

2 stops19h 47m

C$ 761

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Tue 24/9

2 stops10h 53m

Washington, D.C. Dulles Intl

Mon 7/10

2 stops16h 37m

C$ 761

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Thu 30/5

1 stop5h 51m

Washington, D.C. Dulles Intl

Thu 6/6

1 stop8h 16m

C$ 778

LondonWashington, D.C. Reagan-National

YXU - DCA

YXUDCA

London

Thu 30/5

2 stops15h 36m

Washington, D.C. Reagan-National

Thu 6/6

2 stops13h 13m

C$ 1,498

Flights are sorted by cheapest first

Deals found on 1/5

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

Use this chart to determine the cheapest time to fly round-trip from London to Washington, D.C.. Price data was last updated on 28 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their London, Ontario to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday 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 Washington, D.C. by month

Plan your trip from London to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from London to Washington, D.C. is currently C$ 445 while a round-trip flight costs C$ 820. Price data was last updated on 28 April 2024.

Currently, September is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of C$ 251). Flying from London, Ontario to Washington, D.C. in July is currently the most expensive (average of C$ 385). 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

C$ 384

February

C$ 353

March

C$ 385

April

C$ 377

May

C$ 429

June

C$ 468

July

C$ 528

August

C$ 486

September

C$ 344

October

C$ 372

November

C$ 424

December

C$ 366

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 1 May 2024.
Read reviews from past customers who have flown United Airlines, Air Canada and WestJet from London to Washington, D.C.. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.6
Good
2,970 reviews

Crew

8.2

Food

6.5

Boarding

7.7

Overall

7.6

Entertainment

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.6
Good
2,970 reviews
7.6
Good
2,970 reviews

Crew

8.2

Food

6.5

Boarding

7.7

Overall

7.6

Entertainment

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.4
Good
11,159 reviews
7.6
Good
2,970 reviews

Crew

8.2

Food

6.5

Boarding

7.7

Overall

7.6

Entertainment

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.0
Good
6,888 reviews
7.6
Good
2,970 reviews

Crew

8.2

Food

6.5

Boarding

7.7

Overall

7.6

Entertainment

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from London to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from London to Washington, D.C.?

    Most people fly from London (YXU) if they book a flight from London to Washington, D.C.. On average, London has 0 outbound flights to Washington, D.C. per day from 1 airline. London is conveniently located just 8.6 km from London’s city centre.

  • Can I find flights from London, Ontario to Washington, D.C. for under C$ 800 on Cheapflights?

    Yes, there are multiple flights from London, Ontario to Washington, D.C. for under C$ 800. The cheapest flight booked recently is on Air Canada for just C$ 706, but on average you can expect to pay C$ 739.

  • What are the cheapest airlines flying from London, Ontario to Washington, D.C. round-trip?

    Flying on Air Canada is currently your cheapest option to Washington, D.C., with prices starting at C$ 706. Another option worth looking into is United Airlines, starting at C$ 722 round trip.

  • What are the cheapest airlines to fly from London, Ontario to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as C$ 403 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 443 and United Airlines from C$ 451 one-way.

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

  • What does YXU to IAD mean?

    YXU and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YXU to IAD refers to a flight route from London Airport to Washington, D.C. Dulles Intl Airport. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your London to Washington, D.C. 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 London to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Washington, D.C. 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 London to Washington, D.C. that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Washington, D.C. 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 London to Washington, D.C. that allow pets onboard?

    Many airlines flying from London to Washington, D.C. 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 London to Washington, D.C.?

    Yes, you can often find last-minute deals on London to Washington, D.C. 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 London, Ontario to Washington, D.C. flight deals updated?

    The London, Ontario to Washington, D.C. flight deals you see on this page were last updated on 1/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from London to Washington, D.C.

Discover the top airline that operate flights from London to Washington, D.C.. 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 483,025 searches. Data last updated 1 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 555AverageC$ 660FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Washington, D.C.?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington, D.C. from London today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Washington, D.C. for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Washington, D.C. with no change fees?

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

Can Cheapflights notify me if prices for flights from London to Washington, D.C. become cheaper?

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

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.