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Cheap flights from London to Washington, D.C. Dulles Intl Airport from C$ 486

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 10/5. 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 — IAD
28 Apr — 5 May1
1 adult
Sun 28/4
Sun 5/5

Cheap flight deals from London to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Dulles Intl (IAD). 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 23 April 2024.

Round-trip from

C$ 360
From London to Washington, D.C. Dulles Intl

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

The best pricing can be found in the month of March. Prices to Washington, D.C. Dulles Intl Airport from London, Ontario average C$ 651. You can even find prices in March for less than C$ 651, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as C$ 499. The month of November appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from London, Ontario. Flying in the targeted month can save you up to 67%.

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

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. Dulles Intl Airport as you normally would.

Cheap Air Canada flights from London to Dulles Intl

Explore cheap flight options specifically provided by Air Canada for the route between London and Dulles Intl. 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 508,335 searches. Data last updated 23 April 2024.
Peruse some of the lowest-priced Air Canada flights we've found from London to Washington, D.C.. It's recommended that users confirm their flight details before booking.
Thu 27/69:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Mon 30/94:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 23/4C$ 733
Sun 26/59:50 a.m.YXU - IAD
1 stop5h 25mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 752
Fri 24/53:25 p.m.YXU - IAD
1 stop5h 51mAir Canada
Tue 28/56:30 a.m.IAD - YXU
1 stop8h 16mAir Canada
Deal found 21/4C$ 787
Fri 24/53:25 p.m.YXU - IAD
1 stop4h 50mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 790
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 21/4C$ 823
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 22/4C$ 826
Fri 28/69:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Mon 30/910:10 p.m.IAD - YXU
2 stops11h 07mAir Canada
Deal found 23/4C$ 831
Sat 11/59:50 a.m.YXU - IAD
2 stops7h 40mAir Canada
Mon 13/58:30 a.m.IAD - YXU
1 stop6h 16mAir Canada
Deal found 21/4C$ 908
Mon 29/42:45 p.m.YXU - IAD
1 stop5h 25mAir Canada
Mon 29/410:19 p.m.IAD - YXU
1 stop10h 42mAir Canada
Deal found 22/4C$ 1,085

Cheap United Airlines flights from London to Dulles Intl

Explore cheap flight options specifically provided by United Airlines for the route between London and Dulles Intl. 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 508,335 searches. Data last updated 23 April 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from London to Washington, D.C.. Deals are refreshing constantly so come back soon for more options.
Sat 11/59:50 a.m.YXU - IAD
2 stops11h 05mUnited Airlines
Mon 13/56:00 a.m.IAD - YXU
2 stops8h 46mUnited Airlines
Deal found 21/4C$ 918
Thu 27/66:00 a.m.YXU - IAD
2 stops10h 20mUnited Airlines
Mon 30/96:03 a.m.IAD - YXU
2 stops8h 44mUnited Airlines
Deal found 23/4C$ 1,015
Mon 29/46:00 a.m.YXU - IAD
2 stops10h 14mUnited Airlines
Mon 29/410:23 p.m.IAD - YXU
2 stops15h 38mUnited Airlines
Deal found 22/4C$ 1,166

Cheap London to Dulles Intl flights in April & May 2024

Find cheap flight options from London to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 508,335 searches. Prices were last updated on 23 April 2024.
These are some of the most attractive deals on flights from London to Washington, D.C. in 2024. Check back soon for alternative fares.
Sun 26/59:50 a.m.YXU - IAD
1 stop5h 25mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 752
Fri 24/53:25 p.m.YXU - IAD
1 stop5h 51mAir Canada
Tue 28/56:30 a.m.IAD - YXU
1 stop8h 16mAir Canada
Deal found 21/4C$ 787
Fri 24/53:25 p.m.YXU - IAD
1 stop4h 50mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 790
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 21/4C$ 823
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 22/4C$ 826
Sat 11/59:50 a.m.YXU - IAD
2 stops7h 40mAir Canada
Mon 13/58:30 a.m.IAD - YXU
1 stop6h 16mAir Canada
Deal found 21/4C$ 908
Sat 11/59:50 a.m.YXU - IAD
2 stops11h 05mUnited Airlines
Mon 13/56:00 a.m.IAD - YXU
2 stops8h 46mUnited Airlines
Deal found 21/4C$ 918
Mon 29/42:45 p.m.YXU - IAD
1 stop5h 25mAir Canada
Mon 29/410:19 p.m.IAD - YXU
1 stop10h 42mAir Canada
Deal found 22/4C$ 1,085
Mon 29/46:00 a.m.YXU - IAD
2 stops10h 14mUnited Airlines
Mon 29/410:23 p.m.IAD - YXU
2 stops15h 38mUnited Airlines
Deal found 22/4C$ 1,166

London to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between London and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 508,335 searches. Data last updated 23 April 2024.
These are some of the most attractive deals on flights from London to Washington, D.C. in 2024. Check back soon for alternative fares.
Thu 27/69:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Mon 30/94:00 p.m.IAD - YXU
1 stop5h 37mAir Canada
Deal found 23/4C$ 733
Sun 26/59:50 a.m.YXU - IAD
1 stop5h 25mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 752
Thu 24/106:00 a.m.YXU - IAD
1 stop5h 31mAir Canada
Mon 28/1010:05 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 23/4C$ 774
Fri 24/53:25 p.m.YXU - IAD
1 stop5h 51mAir Canada
Tue 28/56:30 a.m.IAD - YXU
1 stop8h 16mAir Canada
Deal found 21/4C$ 787
Fri 24/53:25 p.m.YXU - IAD
1 stop4h 50mAir Canada
Tue 28/510:15 p.m.IAD - YXU
1 stop11h 01mAir Canada
Deal found 22/4C$ 790
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 21/4C$ 823
Fri 24/59:50 a.m.YXU - IAD
2 stops10h 39mAir Canada
Tue 28/59:55 a.m.IAD - YXU
2 stops11h 41mAir Canada
Deal found 22/4C$ 826
Fri 28/69:50 a.m.YXU - IAD
1 stop5h 29mAir Canada
Mon 30/910:10 p.m.IAD - YXU
2 stops11h 07mAir Canada
Deal found 23/4C$ 831
Thu 24/103:25 p.m.YXU - IAD
1 stop5h 53mMultiple Airlines
Mon 28/1010:05 p.m.IAD - YXU
2 stops11h 01mMultiple Airlines
Deal found 23/4C$ 844

London to Dulles Intl flights leaving soon

Find last-minute flight options from London to Dulles Intl 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 508,335 searches. Data last updated 23 April 2024.
Consider one of these great deals we found on last-minute flights from London to Washington, D.C.. Tip: verify your flight details before completing your reservation.
Mon 29/42:45 p.m.YXU - IAD
1 stop5h 25mAir Canada
Mon 29/410:19 p.m.IAD - YXU
1 stop10h 42mAir Canada
Deal found 22/4C$ 1,085
Mon 29/46:00 a.m.YXU - IAD
2 stops10h 14mUnited Airlines
Mon 29/410:23 p.m.IAD - YXU
2 stops15h 38mUnited Airlines
Deal found 22/4C$ 1,166
Mon 29/46:00 a.m.YXU - IAD
2 stops10h 14mMultiple Airlines
Mon 29/410:19 p.m.IAD - YXU
1 stop10h 42mMultiple Airlines
Deal found 22/4C$ 1,177

One-way flights to Dulles Intl from London

Search for one-way flight options from London to Dulles Intl. 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 508,335 searches. Data last updated 23 April 2024.
Users in need of a one-way flight from London to Washington, D.C. can choose from these deals. Those seeking round-trip flights from London to Washington, D.C. should utilize the search form at the top of the page.
Fri 10/53:25 p.m.YXU - IAD
1 stop4h 50mAir Canada
Deal found 22/4C$ 486
Fri 10/59:50 a.m.YXU - IAD
2 stops14h 22mUnited Airlines
Deal found 22/4C$ 705
Fri 10/58:00 p.m.YXU - IAD
2 stops24h 56mWestJet
Deal found 21/4C$ 1,632

Find flights from London to Dulles Intl within your budget

Customize your flight search to find flights from London to Dulles Intl 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 508,335 searches. Data last updated 23 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 733 - C$ 1,015

Route

Depart

Return

Price

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Thu 27/6

1 stop5h 29m

Washington, D.C. Dulles Intl

Mon 30/9

1 stop5h 37m

C$ 733

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sun 26/5

1 stop5h 25m

Washington, D.C. Dulles Intl

Tue 28/5

1 stop11h 01m

C$ 752

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Fri 24/5

1 stop5h 51m

Washington, D.C. Dulles Intl

Tue 28/5

1 stop8h 16m

C$ 787

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Fri 24/5

1 stop4h 50m

Washington, D.C. Dulles Intl

Tue 28/5

1 stop11h 01m

C$ 790

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Fri 24/5

2 stops10h 39m

Washington, D.C. Dulles Intl

Tue 28/5

2 stops11h 41m

C$ 823

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Fri 24/5

2 stops10h 39m

Washington, D.C. Dulles Intl

Tue 28/5

2 stops11h 41m

C$ 826

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sat 11/5

2 stops11h 05m

Washington, D.C. Dulles Intl

Mon 13/5

2 stops8h 46m

C$ 918

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Fri 28/6

2 stops12h 45m

Washington, D.C. Dulles Intl

Mon 30/9

2 stops9h 17m

C$ 964

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Thu 27/6

2 stops10h 20m

Washington, D.C. Dulles Intl

Mon 30/9

2 stops8h 44m

C$ 1,015

Flights are sorted by cheapest first

Deals found on 23/4

No data available for this route at this time. Please check back soon.

Average price of flights to Dulles Intl by month

Plan your trip from London to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from London to Dulles Intl is currently C$ 941 while a round-trip flight costs C$ 845. Price data was last updated on 21 April 2024.

Currently, September is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Dulles Intl Airport (average of C$ 251). Flying from London, Ontario to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 380). 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$ 383

February

C$ 353

March

C$ 385

April

C$ 377

May

C$ 438

June

C$ 490

July

C$ 521

August

C$ 484

September

C$ 344

October

C$ 372

November

C$ 424

December

C$ 366

Temperature and rainfall in Dulles Intl by month

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

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 23 April 2024.
See what other customers who have flown with Air Canada and United Airlines from London to Washington, D.C. have to say. 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.
7.5
Good
2,990 reviews

Comfort

7.3

Boarding

7.7

Entertainment

6.5

Food

6.5

Overall

7.5

Crew

8.2

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

7.5
Good
2,990 reviews
7.5
Good
2,990 reviews

Comfort

7.3

Boarding

7.7

Entertainment

6.5

Food

6.5

Overall

7.5

Crew

8.2

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

7.4
Good
11,272 reviews
7.5
Good
2,990 reviews

Comfort

7.3

Boarding

7.7

Entertainment

6.5

Food

6.5

Overall

7.5

Crew

8.2

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

7.0
Good
6,859 reviews
7.5
Good
2,990 reviews

Comfort

7.3

Boarding

7.7

Entertainment

6.5

Food

6.5

Overall

7.5

Crew

8.2

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

Related info for your journey

Find useful and relevant information for your journey from London to Dulles Intl. 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. Dulles Intl?

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

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

    Yes, there are multiple flights from London, Ontario to Washington, D.C. Dulles Intl Airport for under C$ 800. The cheapest flight booked recently is on Air Canada for just C$ 733, but on average you can expect to pay C$ 849.

  • Are there last-minute flights available from London, Ontario to Washington, D.C. Dulles Intl Airport for under C$ 1,100?

    There are currently 3+ open flights from London, Ontario to Washington, D.C. Dulles Intl Airport within the next 7 days for less than C$ 1,100.

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

    According to our current data, Air Canada (C$ 733), and United Airlines (C$ 918) offers the cheapest pricing from London, Ontario to Washington, D.C. Dulles Intl Airport.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 486. United Airlines flights start at C$ 705 while deals on WestJet start at C$ 1,632 one-way.

  • What does YXU to IAD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a London Airport to Washington, D.C. Dulles Intl Airport flight would often be abbreviated as a YXU to IAD flight.

  • Can I find deals for flights from London to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your London to Dulles Intl 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 Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Dulles Intl 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 Dulles Intl that include hotel bookings?

    Yes. In addition to deals on London to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Dulles Intl?

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

  • Can I find deals for business class flights from London to Dulles Intl?

    Yes. Cheapflights offers flight deals from London to Dulles Intl 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 Dulles Intl that allow pets onboard?

    Many airlines flying from London to Dulles Intl 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 Dulles Intl?

    Yes, you can often find last-minute deals on London to Dulles Intl 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. Dulles Intl Airport flight deals updated?

    The London, Ontario to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 23/4.

See more FAQs

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Deals for London to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Dulles Intl?

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

Can Cheapflights find flights from London to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on London to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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