What is the cheapest airline that flies from United States to London?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from United States to London

What airlines fly to London, Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to London, Ontario from United States according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 15 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London, Ontario?

If you’re flying from a popular airport in United States, such as New York or Boston, and flying into London, Ontario, then you can expect flight times to average 1h 49m and 1h 53m, respectively.

When did momondo last update prices for flights from United States to London Airport?

Prices for flights from United States to London Airport were last updated today.

How many operators does momondo search for flights from United States to London Airport?

As of October 2026, there are 2 operators available to choose from for flights from United States to London Airport.

How old do you have to be to fly from United States to London Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to London Airport.

What documentation or ID do you need to fly to London Airport?

The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$132 Cheap Flights from the United States to London, Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to London

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.

1:55 pm - 5:00 pmFLL Fort Lauderdale-YXU London

3h 05mnonstop

10:15 am - 1:25 pmYXU London-FLL Fort Lauderdale

3h 10mnonstop

$168Porter Airlines

Fri, Dec 4 - Sun, Dec 6

2:10 pm - 5:00 pmMCO Orlando-YXU London

2h 50mnonstop

10:00 am - 12:55 pmYXU London-MCO Orlando

2h 55mnonstop

$183Porter Airlines

Thu, Nov 26 - Thu, Dec 3

1:55 pm - 5:00 pmFLL Fort Lauderdale-YXU London

3h 05mnonstop

10:15 am - 1:25 pmYXU London-FLL Fort Lauderdale

3h 10mnonstop

$185Porter Airlines

Fri, Nov 20 - Mon, Nov 30

2:40 pm - 5:45 pmFLL Fort Lauderdale-YXU London

3h 05mnonstop

10:15 am - 1:25 pmYXU London-FLL Fort Lauderdale

3h 10mnonstop

$212Porter Airlines

Mon, Nov 23 - Sun, Nov 29

2:00 pm - 8:29 amSFO San Francisco-YXU London

15h 29m1 stop Toronto Pearson Intl

3:20 pm - 9:10 pmYXU London-SFO San Francisco

8h 50m1 stop Toronto Pearson Intl

$385Air Canada

Thu, Apr 22 - Sat, Apr 24

4:40 pm - 8:29 amSFO San Francisco-YXU London

12h 49m1 stop Toronto Pearson Intl

5:30 am - 1:47 pmYXU London-SFO San Francisco

11h 17m2 stops Toronto Pearson Intl Vancouver Intl

$385Air Canada

Thu, Apr 22 - Sat, Apr 24

6:30 am - 9:52 pmSFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

3:20 pm - 9:20 pmYXU London-SFO San Francisco

9h 00m1 stop Toronto Pearson Intl

$410Air Canada

Mon, Jan 18 - Thu, Jan 21

5:00 pm - 5:35 amLAX Los Angeles-YXU London

9h 35m1 stop Calgary

6:40 am - 9:20 pmYXU London-LAX Los Angeles

17h 40m1 stop Calgary

$490WestJet

Wed, Nov 11 - Mon, Nov 16

12:55 pm - 5:35 amPHX Phoenix Sky Harbor Intl-YXU London

14h 40m2 stops Vancouver Intl Calgary

6:40 am - 12:05 pmYXU London-PHX Phoenix Sky Harbor Intl

31h 25m2 stops Calgary Vancouver Intl

$545WestJet

Thu, Nov 19 - Thu, Nov 26

4:40 pm - 5:35 amSFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 am - 3:50 pmYXU London-SFO San Francisco

12h 10m1 stop Calgary

$577WestJet

Mon, Jan 18 - Thu, Jan 21

Recent last minute flight deals from the United States to London

Enter your travel dates to find the best prices.

8:55 pm - 9:37 amMCO Orlando-YXU London

12h 42m1 stop Toronto Pearson Intl

3:25 pm - 11:35 pmYXU London-MCO Orlando

8h 10m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$889Air Canada

Sat, Oct 31 - Tue, Nov 17

7:00 am - 7:52 pmMCO Orlando-YXU London

12h 52m2 stops Chicago O'Hare Intl Toronto Pearson Intl

3:25 pm - 11:35 pmYXU London-MCO Orlando

8h 10m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$892Air Canada

Sat, Oct 31 - Tue, Nov 17

8:55 pm - 9:37 amMCO Orlando-YXU London

12h 42m1 stop Toronto Pearson Intl

9:05 pm - 11:13 amYXU London-MCO Orlando

14h 08m1 stop Toronto Pearson Intl

$922Air Canada

Sat, Oct 31 - Tue, Nov 17

8:10 am - 7:52 pmSFO San Francisco-YXU London

8h 42m1 stop Toronto Pearson Intl

9:05 pm - 9:29 amYXU London-SFO San Francisco

15h 24m1 stop Toronto Pearson Intl

$1,164Air Canada

Fri, Oct 30 - Sun, Nov 8

5:40 pm - 6:35 amSFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 am - 3:50 pmYXU London-SFO San Francisco

12h 10m1 stop Calgary

$1,174WestJet

Fri, Oct 30 - Mon, Nov 9

9:33 pm - 6:35 amMCO Orlando-YXU London

33h 02m3 stops Lambert-St Louis Las Vegas Harry Reid Intl Calgary

6:40 am - 5:32 amYXU London-MCO Orlando

22h 52m3 stops Calgary Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$1,298Multiple Airlines

Sat, Oct 31 - Tue, Nov 17

8:25 am - 7:52 pmSFO San Francisco-YXU London

8h 27m1 stop Toronto Pearson Intl

3:25 pm - 9:30 pmYXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

$1,303United Airlines

Sat, Oct 31 - Mon, Nov 9

5:40 pm - 6:35 amSFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 am - 3:50 pmYXU London-SFO San Francisco

12h 10m1 stop Calgary

$1,379WestJet

Thu, Oct 29 - Mon, Nov 9

10:30 am - 2:47 pmLGA New York LaGuardia-YXU London

4h 17m1 stop Toronto Pearson Intl

9:15 am - 2:03 pmYXU London-LGA New York LaGuardia

4h 48m1 stop Toronto Pearson Intl

$1,405United Airlines

Fri, Oct 30 - Sat, Nov 7

5:00 am - 7:52 pmSFO San Francisco-YXU London

11h 52m2 stops Houston George Bush Intcntl Toronto Pearson Intl

9:15 am - 3:40 pmYXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

$1,410United Airlines

Fri, Oct 30 - Mon, Nov 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Porter Airlines flights from United States to London, Ontario

Our best Porter Airlines deals on United States to London, Ontario flight tickets

Porter Airlines

Dec 4

FLL1:55 pmFort Lauderdale

3h 05m

YXU5:00 pmLondon

Dec 6

YXU10:15 amLondon

3h 10m

FLL1:25 pmFort Lauderdale

$168

Porter Airlines

Dec 25

FLL10:40 amFort Lauderdale

3h 05m

YXU1:45 pmLondon

Jan 4

YXU6:15 amLondon

3h 10m

FLL9:25 amFort Lauderdale

$179

Porter Airlines

Nov 26

MCO2:10 pmOrlando

2h 50m

YXU5:00 pmLondon

Dec 3

YXU10:00 amLondon

2h 55m

MCO12:55 pmOrlando

$183

Air Canada flights from United States to London, Ontario

Our best Air Canada deals on United States to London, Ontario flight tickets

Air Canada

Dec 4

FLL9:05 pmFort Lauderdale

17h 37m

2 stops

YXU2:42 pmLondon

Dec 6

YXU5:30 amLondon

6h 03m

1 stop

FLL11:33 amFort Lauderdale

$371

Air Canada

Dec 4

FLL9:05 pmFort Lauderdale

17h 37m

2 stops

YXU2:42 pmLondon

Dec 6

YXU5:30 amLondon

8h 51m

2 stops

FLL2:21 pmFort Lauderdale

$380

Air Canada

Jan 18

SFO6:30 amSan Francisco

12h 22m

2 stops

YXU9:52 pmLondon

Jan 21

YXU3:20 pmLondon

9h 00m

1 stop

SFO9:20 pmSan Francisco

$410

momondo Fare Finder

Use the filters below to find and compare flights from the United States to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort LauderdaleLondon

FLL Fort Lauderdale - YXU London

FLLYXU

Fort Lauderdale

Fri 12/4

1:55 pm-5:00 pm

Nonstop3h 05m

London

Sun 12/6

10:15 am-1:25 pm

Nonstop3h 10m

$168

Quickest round-trip

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Thu 11/26

2:10 pm-5:00 pm

Nonstop2h 50m

London

Thu 12/3

10:00 am-12:55 pm

Nonstop2h 55m

$183

Fort LauderdaleLondon

FLL Fort Lauderdale - YXU London

FLLYXU

Fort Lauderdale

Fri 11/20

1:55 pm-5:00 pm

Nonstop3h 05m

London

Mon 11/30

10:15 am-1:25 pm

Nonstop3h 10m

$185

Fort LauderdaleLondon

FLL Fort Lauderdale - YXU London

FLLYXU

Fort Lauderdale

Mon 11/23

2:40 pm-5:45 pm

Nonstop3h 05m

London

Sun 11/29

10:15 am-1:25 pm

Nonstop3h 10m

$212

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 4/22

2:00 pm-8:29 am

1 stop15h 29m

London

Sat 4/24

3:20 pm-9:10 pm

1 stop8h 50m

$385

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 4/22

4:40 pm-8:29 am

1 stop12h 49m

London

Sat 4/24

5:30 am-1:47 pm

2 stops11h 17m

$385

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Mon 1/18

6:30 am-9:52 pm

2 stops12h 22m

London

Thu 1/21

3:20 pm-9:20 pm

1 stop9h 00m

$410

Los AngelesLondon

LAX Los Angeles - YXU London

LAXYXU

Los Angeles

Wed 11/11

5:00 pm-5:35 am

1 stop9h 35m

London

Mon 11/16

6:40 am-9:20 pm

1 stop17h 40m

$490

PhoenixLondon

PHX Phoenix Sky Harbor Intl - YXU London

PHXYXU

Phoenix Sky Harbor Intl

Thu 11/19

12:55 pm-5:35 am

2 stops14h 40m

London

Thu 11/26

6:40 am-12:05 pm

2 stops31h 25m

$545

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Mon 1/18

4:40 pm-5:35 am

1 stop9h 55m

London

Thu 1/21

6:40 am-3:50 pm

1 stop12h 10m

$577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to London, Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest United States to London flight route?

Fly from Orlando to London for the best United States - London flight prices

What cabin class options are available on United States to London, Ontario flights?

There is only 1 cabin class available to choose from on United States to London, Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to London, Ontario flights?

No. A direct flight is the cheapest option for a flight between United States to London, Ontario.

Cheap United States to London, Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to London, Ontario

Best Price Found	$132
Fastest flight time	2h 50m
Direct flights	Every day
Airports in London, Ontario	1 airport

The best one-way flight to London, Ontario from United States in the past 72 hours is $132. The best round-trip flight deal from United States to London, Ontario found on momondo in the last 72 hours is $168.

The fastest flight from United States to London, Ontario takes 2h 50m

Direct flights go from United States to London, Ontario every day.

There is 1 airport in London, Ontario. From United States there are direct flights to London (YXU).

Search flight deals

Frequently asked questions about flying from the United States to London, Ontario

When did momondo last update prices for flights from United States to London Airport?
Prices for flights from United States to London Airport were last updated today.
How many operators does momondo search for flights from United States to London Airport?
As of October 2026, there are 2 operators available to choose from for flights from United States to London Airport.
How old do you have to be to fly from United States to London Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to London, Ontario?
Based on momondo bookings for flights between United States and London, Ontario, the leading plane model is Embraer 195 E2, making up 100.00% of the total bookings.

Best airlines flying from United States to London, Ontario

Compare and see reviews for airlines that fly from United States to London, Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $357	Free Cancellation	Rating 7.1 11,819 reviews		Search Air Canada flights
WestJet	PriceFrom $358	Free Cancellation	Rating 7.2 3,444 reviews		Search WestJet flights

Grand Bend

Port Stanley

Why use momondo?

Why should I use momondo to find a flight deal from United States to London?

It is quick and easy to find United States to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from United States to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from United States with this policy.

How can momondo help me find flights from United States to London?

momondo helps you find the best flight between United States and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from United States to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from United States and alert you when they change.

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 11/26

Thu 12/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Nearby airports

Airlines

Cabin classes

Other Canada destinations

Other flights from the United States

Complete your trip

Feeling lucky

Cheap flights from the United States to London from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from the United States to London

Recent round-trip flight deals from the United States to London

Recent one-way flight deals from the United States to London

Recent last minute flight deals from the United States to London

Recent direct flight deals from the United States to London

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Porter Airlines flights from United States to London, Ontario

Our best Porter Airlines deals on United States to London, Ontario flight tickets

Air Canada flights from United States to London, Ontario

Our best Air Canada deals on United States to London, Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to London, Ontario that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from United States to London, Ontario

What is the cheapest United States to London flight route?

What cabin class options are available on United States to London, Ontario flights?

Can stopping save me money on United States to London, Ontario flights?

What is the cheapest airline that flies from United States to London?

What airlines fly to London, Ontario?

How long does it take to fly to London, Ontario?

Cheap United States to London, Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in London, Ontario

Frequently asked questions about flying from the United States to London, Ontario

Best airlines flying from United States to London, Ontario

Compare and see reviews for airlines that fly from United States to London, Ontario with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from the United States

According to popular flight searches on momondo this year

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year