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

Travelers seeking maximum savings on their Washington, D.C. to London, Ontario flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

The most popular route from Washington, D.C. to London, Ontario is Washington, D.C. Reagan-National - London. You may also consider Washington, D.C. Dulles Intl - London or Baltimore/Washington - London.

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

Flights from Washington, D.C. to London, Ontario are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London, Ontario.

What airport do you fly into for flights to London from Washington, D.C.?

London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to London. 0 airlines have flights to London from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to London should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

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.

$301+ Flights from Washington, D.C. to London, ON

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

Round-trip from	$538 (Mytrip)
One-way from	$301 (Air Canada)

From Washington, D.C. (WAS) to London

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One-way flight from Washington, D.C. (WAS) to London

Search Deals

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

Cheapest flights from Washington, D.C. to London
Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Fri 7/258:54 amBWI - YXU

2 stops44h 20mMultiple Airlines

Fri 8/16:00 amYXU - BWI

3 stops24h 05mMultiple Airlines

Deal found 6/10

$538

Sat 7/269:43 pmIAD - YXU

2 stops31h 31mMultiple Airlines

Sat 8/26:00 amYXU - IAD

2 stops14h 58mMultiple Airlines

Deal found 6/11

$631

Tue 6/2411:00 amDCA - YXU

1 stop3h 57mAir Canada

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mAir Canada

Deal found 6/10

$672

Tue 6/2410:15 amIAD - YXU

1 stop4h 42mAir Canada

Sat 6/289:55 amYXU - IAD

1 stop3h 47mAir Canada

Deal found 6/10

$672

Fri 7/2510:34 pmIAD - YXU

2 stops16h 28mUnited Airlines

Fri 8/13:35 pmYXU - IAD

2 stops19h 52mUnited Airlines

Deal found 6/10

$752

Fri 7/254:20 pmBWI - YXU

2 stops24h 47mUnited Airlines

Fri 8/16:15 amYXU - BWI

2 stops22h 55mUnited Airlines

Deal found 6/10

$772

Tue 6/246:25 amDCA - YXU

2 stops8h 32mUnited Airlines

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mUnited Airlines

Deal found 6/10

$775

Fri 7/2511:10 amDCA - YXU

2 stops10h 17mMultiple Airlines

Fri 8/13:35 pmYXU - DCA

1 stop4h 07mMultiple Airlines

Deal found 6/10

$797

Best flights from Washington, D.C. to London
Discover carefully curated flight deals from Washington, D.C. to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 7/258:54 amBWI - YXU

2 stops44h 20mMultiple Airlines

Fri 8/16:00 amYXU - BWI

3 stops24h 05mMultiple Airlines

Deal found 6/10

$538

Tue 6/2411:00 amDCA - YXU

1 stop3h 57mAir Canada

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mAir Canada

Deal found 6/10

$672

Fri 7/2510:34 pmIAD - YXU

2 stops16h 28mUnited Airlines

Fri 8/13:35 pmYXU - IAD

2 stops19h 52mUnited Airlines

Deal found 6/10

$752

Sat 7/269:43 pmIAD - YXU

2 stops31h 31mMultiple Airlines

Sat 8/26:00 amYXU - IAD

2 stops14h 58mMultiple Airlines

Deal found 6/11

$631

Tue 6/2410:15 amIAD - YXU

1 stop4h 42mAir Canada

Sat 6/289:55 amYXU - IAD

1 stop3h 47mAir Canada

Deal found 6/10

$672

Fri 7/254:20 pmBWI - YXU

2 stops24h 47mUnited Airlines

Fri 8/16:15 amYXU - BWI

2 stops22h 55mUnited Airlines

Deal found 6/10

$772

Tue 6/246:25 amDCA - YXU

2 stops8h 32mUnited Airlines

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mUnited Airlines

Deal found 6/10

$775

Fri 7/2511:10 amDCA - YXU

2 stops10h 17mMultiple Airlines

Fri 8/13:35 pmYXU - DCA

1 stop4h 07mMultiple Airlines

Deal found 6/10

$797

Last-minute flights from Washington, D.C. to London
Discover last-minute flight deals from Washington, D.C. to London. Data last updated June 12, 2025 and is based on user searches.

Tue 6/2411:00 amDCA - YXU

1 stop3h 57mAir Canada

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mAir Canada

Deal found 6/10

$672

Tue 6/2410:15 amIAD - YXU

1 stop4h 42mAir Canada

Sat 6/289:55 amYXU - IAD

1 stop3h 47mAir Canada

Deal found 6/10

$672

Tue 6/246:25 amDCA - YXU

2 stops8h 32mUnited Airlines

Sat 6/283:35 pmYXU - DCA

1 stop4h 07mUnited Airlines

Deal found 6/10

$775

Fri 7/258:54 amBWI - YXU

2 stops44h 20mMultiple Airlines

Fri 8/16:00 amYXU - BWI

3 stops24h 05mMultiple Airlines

Deal found 6/10

$538

Fri 7/2510:34 pmIAD - YXU

2 stops16h 28mUnited Airlines

Fri 8/13:35 pmYXU - IAD

2 stops19h 52mUnited Airlines

Deal found 6/10

$752

Fri 7/254:20 pmBWI - YXU

2 stops24h 47mUnited Airlines

Fri 8/16:15 amYXU - BWI

2 stops22h 55mUnited Airlines

Deal found 6/10

$772

Fri 7/2511:10 amDCA - YXU

2 stops10h 17mMultiple Airlines

Fri 8/13:35 pmYXU - DCA

1 stop4h 07mMultiple Airlines

Deal found 6/10

$797

Sat 7/269:43 pmIAD - YXU

2 stops31h 31mMultiple Airlines

Sat 8/26:00 amYXU - IAD

2 stops14h 58mMultiple Airlines

Deal found 6/11

$631

One-way flights from Washington, D.C. to London
Search for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Mon 6/3011:00 amDCA - YXU

1 stop3h 57mAir Canada

Deal found 6/9

$301

Mon 6/305:12 pmIAD - YXU

1 stop4h 15mAir Canada

Deal found 6/9

$301

Mon 6/307:55 amBWI - YXU

3 stops45h 19mMultiple Airlines

Deal found 6/9

$337

Mon 6/3012:28 pmIAD - YXU

3 stops30h 41mMultiple Airlines

Deal found 6/9

$350

Mon 6/306:15 amBWI - YXU

2 stops8h 42mUnited Airlines

Deal found 6/9

$375

Mon 6/308:00 pmDCA - YXU

2 stops19h 02mUnited Airlines

Deal found 6/9

$398

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 7/25

8:54 am-5:14 am

2 stops44h 20m

London

Fri 8/1

6:00 am-6:05 am

3 stops24h 05m

$538

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 7/26

9:43 pm-5:14 am

2 stops31h 31m

London

Sat 8/2

6:00 am-8:58 pm

2 stops14h 58m

$631

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 6/24

11:00 am-2:57 pm

1 stop3h 57m

London

Sat 6/28

3:35 pm-7:42 pm

1 stop4h 07m

$672

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 6/24

10:15 am-2:57 pm

1 stop4h 42m

London

Sat 6/28

9:55 am-1:42 pm

1 stop3h 47m

$672

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 7/25

10:34 pm-3:02 pm

2 stops16h 28m

London

Fri 8/1

3:35 pm-11:27 am

2 stops19h 52m

$752

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 7/25

4:20 pm-5:07 pm

2 stops24h 47m

London

Fri 8/1

6:15 am-5:10 am

2 stops22h 55m

$772

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 6/24

6:25 am-2:57 pm

2 stops8h 32m

London

Sat 6/28

3:35 pm-7:42 pm

1 stop4h 07m

$775

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 7/25

11:10 am-9:27 pm

2 stops10h 17m

London

Fri 8/1

3:35 pm-7:42 pm

1 stop4h 07m

$797

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 6/30

11:00 am-2:57 pm

1 stop3h 57m

$301

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 6/30

5:12 pm-9:27 pm

1 stop4h 15m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 14 results

Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London

What is the cheapest time of day to fly from WAS to YXU?

One of the essential ways to save on airfare from Washington, D.C. to London, Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

Rainfall in London by month

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing London

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,790 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Air Canada

7.1

Good

9,537 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly into for flights to London from Washington, D.C.?
London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to London. 0 airlines have flights to London from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to London should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.
What are the most popular routes from Washington, D.C. to London, Ontario?
The most popular route from Washington, D.C. to London, Ontario is Washington, D.C. Reagan-National - London. You may also consider Washington, D.C. Dulles Intl - London or Baltimore/Washington - London.
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.

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$301+ Cheap flights from Washington, D.C. (WAS) to London, ON (YXU)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to London with Cheapflights

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

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

Cheapest flights from Washington, D.C. to LondonExplore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to London that are best for you.

Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London

What is the cheapest time of day to fly from WAS to YXU?

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 June 12, 2025.

Rainfall in London by month

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

Temperature in London by month

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

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 June 12, 2025.

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.

What airport do you fly into for flights to London from Washington, D.C.?

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

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

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

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

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Cheapest flights from Washington, D.C. to London
Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.