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.

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).

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

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

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

Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to London from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to London (YXU) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

Can I find deals for flights from Reagan-National to London that include hotel bookings?

Yes. In addition to deals on Reagan-National to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to London?

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

Can I find deals for business class flights from Reagan-National to London?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$279+ Cheap Flights from Washington, D.C. Reagan-National Airport to London, ON

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Cheap flight deals from Reagan-National to London

Round-trip from	$713 (Air Canada)
One-way from	$279 (Kiwi.com)

From Washington, D.C. Reagan-National to London

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One-way flight from Washington, D.C. Reagan-National to London

Search Deals

Find flight deals from Reagan-National to London

Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Sun 9/2811:00 amDCA - YXU

1 stop4h 17mAir Canada

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/14

$713

Tue 10/2111:00 amDCA - YXU

1 stop4h 02mAir Canada

Fri 10/246:15 amYXU - DCA

2 stops5h 53mAir Canada

Deal found 8/13

$718

Sat 9/2711:00 amDCA - YXU

1 stop4h 17mAir Canada

Sat 10/43:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/13

$725

Sun 9/286:25 amDCA - YXU

2 stops8h 52mUnited Airlines

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mUnited Airlines

Deal found 8/14

$1,032

Best flights from Reagan-National to London
Discover carefully curated flight deals from Reagan-National to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sun 9/2811:00 amDCA - YXU

1 stop4h 17mAir Canada

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/14

$713

Sun 9/286:25 amDCA - YXU

2 stops8h 52mUnited Airlines

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mUnited Airlines

Deal found 8/14

$1,032

Tue 10/2111:00 amDCA - YXU

1 stop4h 02mAir Canada

Fri 10/243:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/13

$713

Sat 9/2711:00 amDCA - YXU

1 stop4h 17mAir Canada

Sat 10/43:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/13

$725

Last-minute flights from Reagan-National to London
Discover last-minute flight deals from Reagan-National to London. Data last updated August 14, 2025 and is based on user searches.

Sat 9/2711:00 amDCA - YXU

1 stop4h 17mAir Canada

Sat 10/43:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/13

$725

Sun 9/2811:00 amDCA - YXU

1 stop4h 17mAir Canada

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mAir Canada

Deal found 8/14

$713

Sun 9/286:25 amDCA - YXU

2 stops8h 52mUnited Airlines

Sun 10/53:40 pmYXU - DCA

1 stop4h 04mUnited Airlines

Deal found 8/14

$1,032

One-way flights from Reagan-National to London
Search for one-way flight options from Reagan-National to London. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 10/47:00 amDCA - YXU

3 stops22h 12mMultiple Airlines

Deal found 8/13

$279

Sat 10/411:00 amDCA - YXU

1 stop4h 02mAir Canada

Deal found 8/13

$336

Tue 10/216:00 amDCA - YXU

2 stops9h 02mAir Canada

Deal found 8/13

$342

Tue 10/216:25 amDCA - YXU

3 stops15h 02mUnited Airlines

Deal found 8/13

$952

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 9/28

11:00 am-3:17 pm

1 stop4h 17m

London

Sun 10/5

3:40 pm-7:44 pm

1 stop4h 04m

$713

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 10/21

11:00 am-3:02 pm

1 stop4h 02m

London

Fri 10/24

3:40 pm-7:44 pm

1 stop4h 04m

$713

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 9/27

11:00 am-3:17 pm

1 stop4h 17m

London

Sat 10/4

3:40 pm-7:44 pm

1 stop4h 04m

$725

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 9/28

6:25 am-3:17 pm

2 stops8h 52m

London

Sun 10/5

3:40 pm-7:44 pm

1 stop4h 04m

$1,032

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 10/4

7:00 am-5:12 am

3 stops22h 12m

$279

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 10/4

11:00 am-3:02 pm

1 stop4h 02m

$336

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 10/21

11:00 am-3:02 pm

1 stop4h 02m

$336

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 10/21

6:25 am-9:27 pm

3 stops15h 02m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Reagan-National to London

Have a flexible travel schedule? Discover the best time to fly to London from Reagan-National 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.

Related info for your journey

What airport do you fly into for flights to London from Washington, D.C. Reagan-National?
Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to London from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to London (YXU) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.
Can I find deals for flights from Reagan-National to London that include hotel bookings?
Yes. In addition to deals on Reagan-National to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to London.
Can I find deals for business class flights from Reagan-National to London?
Yes. Cheapflights offers flight deals from Reagan-National 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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$279+ Cheap flights from Reagan-National (DCA) 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to London

Round-trip from

One-way from

Find flight deals from Reagan-National to London

Cheapest flights from Reagan-National to LondonExplore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to London

Have a flexible travel schedule? Discover the best time to fly to London from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

Can I find deals for flights from Reagan-National to London that include hotel bookings?

How can I find direct flights from Reagan-National to London?

Can I find deals for business class flights from Reagan-National to London?

Traveling to a place near London?

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Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.