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Cheap flights from London, ON to the United States from C$ 200

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
15 Apr — 22 Apr1
1 adult

Cheap flight deals from London to USA

Keep the following information in mind while searching for London to USA flight deals. Data was last updated 10 April 2025.

Round-trip from

C$ 200

Popular in

September

Cheapest in

January

Average price

C$ 500

Good round-trip deal

C$ 165 or less

Good one-way deal

C$ 107 or less
Flair Airlines
  • Flair Airlines
  • 14/4-18/4
  • Nonstop
  • 6h 20m total
  • London to USA
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Highest demand for flights based on searches. 6% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London to USA.
Search Deals
Price to beat on a one-way flight from London to USA.
Search Deals

Find flight deals from London to USA

Cheapest flights from London to USA
Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2025.

Mon 14/412:20 p.m.YXU - MCO
Nonstop3h 10mFlair Airlines
Fri 18/48:10 a.m.MCO - YXU
Nonstop3h 10mFlair Airlines
Deal found 10/4C$ 200
Tue 29/76:00 a.m.YXU - SEA
1 stop9h 58mWestJet
Tue 5/87:05 a.m.SEA - YXU
1 stop9h 04mWestJet
Deal found 10/4C$ 217
Thu 1/56:15 a.m.YXU - SEA
1 stop7h 30mUnited Airlines
Thu 29/511:23 p.m.SEA - YXU
2 stops12h 40mUnited Airlines
Deal found 10/4C$ 292
Sat 10/59:55 a.m.YXU - SEA
2 stops12h 42mAir Canada
Wed 11/610:00 a.m.SEA - YXU
2 stops20h 18mAir Canada
Deal found 10/4C$ 342
Tue 22/43:25 p.m.YXU - LAS
2 stops12h 24mUnited Airlines
Mon 28/411:59 p.m.LAS - YXU
2 stops17h 20mUnited Airlines
Deal found 9/4C$ 354
Mon 28/76:00 a.m.YXU - SEA
1 stop9h 58mDelta
Thu 7/87:05 a.m.SEA - YXU
1 stop9h 04mDelta
Deal found 10/4C$ 380
Sat 5/76:15 a.m.YXU - FLL
2 stops14h 02mUnited Airlines
Sat 12/76:00 a.m.FLL - YXU
2 stops8h 57mUnited Airlines
Deal found 9/4C$ 387
Wed 18/66:00 a.m.YXU - LAS
2 stops17h 21mWestJet
Sun 22/69:10 p.m.LAS - YXU
2 stops29h 04mWestJet
Deal found 9/4C$ 397
Wed 21/56:15 a.m.YXU - FLL
2 stops13h 16mAir Canada
Wed 28/59:10 p.m.FLL - YXU
2 stops12h 08mAir Canada
Deal found 9/4C$ 417
Wed 17/96:15 a.m.YXU - MCO
1 stop5h 08mAir Canada
Sun 21/98:15 p.m.MCO - YXU
1 stop13h 02mAir Canada
Deal found 9/4C$ 420
Mon 12/56:00 a.m.YXU - SEA
1 stop9h 58mMultiple Airlines
Tue 17/63:39 p.m.SEA - YXU
2 stops26h 21mMultiple Airlines
Deal found 10/4C$ 455
Tue 22/43:25 p.m.YXU - LAS
1 stop9h 42mAir Canada
Mon 28/46:00 a.m.LAS - YXU
2 stops11h 19mAir Canada
Deal found 9/4C$ 458

Cheapflights Fare Finder

Customize your flight search to find flights from London to USA 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 629,999 searches. Data last updated 10 April 2025.
Use the filters below to find and compare flights from London to the United States that are best for you.

Fly from

London

Fly to

USA

Route

Depart

Return

Price

LondonOrlando

YXU - MCO

YXUMCO

London

Mon 14/4

12:20 p.m.-3:30 p.m.

Nonstop3h 10m

Orlando

Fri 18/4

8:10 a.m.-11:20 a.m.

Nonstop3h 10m

C$ 200

LondonSeattle

YXU - SEA

YXUSEA

London

Tue 29/7

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Tue 5/8

7:05 a.m.-7:09 p.m.

1 stop9h 04m

C$ 217

LondonSeattle

YXU - SEA

YXUSEA

London

Thu 1/5

6:15 a.m.-10:45 a.m.

1 stop7h 30m

Seattle/Tacoma Intl

Thu 29/5

11:23 p.m.-3:03 p.m.

2 stops12h 40m

C$ 292

LondonSeattle

YXU - SEA

YXUSEA

London

Sat 10/5

9:55 a.m.-7:37 p.m.

2 stops12h 42m

Seattle/Tacoma Intl

Wed 11/6

10:00 a.m.-9:18 a.m.

2 stops20h 18m

C$ 342

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 22/4

3:25 p.m.-12:49 a.m.

2 stops12h 24m

Las Vegas Harry Reid Intl

Mon 28/4

11:59 p.m.-8:19 p.m.

2 stops17h 20m

C$ 354

LondonSeattle

YXU - SEA

YXUSEA

London

Mon 28/7

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Thu 7/8

7:05 a.m.-7:09 p.m.

1 stop9h 04m

C$ 380

LondonFort Lauderdale

YXU - FLL

YXUFLL

London

Sat 5/7

6:15 a.m.-8:17 p.m.

2 stops14h 02m

Fort Lauderdale

Sat 12/7

6:00 a.m.-2:57 p.m.

2 stops8h 57m

C$ 387

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 18/6

6:00 a.m.-8:21 p.m.

2 stops17h 21m

Las Vegas Harry Reid Intl

Sun 22/6

9:10 p.m.-5:14 a.m.

2 stops29h 04m

C$ 397

LondonFort Lauderdale

YXU - FLL

YXUFLL

London

Wed 21/5

6:15 a.m.-7:31 p.m.

2 stops13h 16m

Fort Lauderdale

Wed 28/5

9:10 p.m.-9:18 a.m.

2 stops12h 08m

C$ 417

LondonSeattle

YXU - SEA

YXUSEA

London

Mon 12/5

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Tue 17/6

3:39 p.m.-9:00 p.m.

2 stops26h 21m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 56 results
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Best time to book a flight from London to USA

Have a flexible travel schedule? Discover the best time to fly to USA from London 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 London to the United States

What is the cheapest month to book a flight from London, Ontario to USA?

Currently, September is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 230). Flying from London, Ontario to USA in July is currently the most expensive (average of C$ 314). 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.

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

Find hourly flight availability from London to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 April 2025.

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

Rainfall in USA by month

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

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

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

If weather is an important factor for your trip to USA, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 10 April 2025.
Read through reviews of airlines operating flights from London to USA, such as Delta, United Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,910 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,636 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,802 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,083 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Flair Airlines
6.0
Okay
239 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to USA. 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 United States?

    Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to United States from London.

  • What are the cheapest airlines to fly from London, Ontario to USA one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 213. However, be on the lookout for offers from United Airlines and WestJet, as they are both options that can get you from London, Ontario to USA for a low price.

  • What are the most popular routes from London, Ontario to USA?

    The most popular route from London, Ontario to USA is London - New York John F Kennedy Intl. You may also consider London - Newark or London - New York LaGuardia.

  • Can I find deals for flights from London to USA that include hotel bookings?

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

  • How can I find direct flights from London to USA?

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

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

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

  • What is the cheapest month to book a flight from London, Ontario to USA?

    Currently, September is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 230). Flying from London, Ontario to USA in July is currently the most expensive (average of C$ 314). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to USA

Discover the top 3 airlines that operate flights from London to USA. 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 629,999 searches. Data last updated 10 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 293AverageC$ 513FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 329AverageC$ 505FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 340AverageC$ 632FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 USA?

Cheapflights helps you search for flights from London to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from London to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to USA flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from London today and book when prices fit your budget.

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