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Cheap flights from New York LaGuardia Airport to London from $263

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to London departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from New York LaGuardia Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:30 pm - 5:20 am
LGA
-
YXU
14h 50m
2 stops
Multiple Airlines Logo
10:05 am - 4:57 pm
YXU
-
LGA
6h 52m
2 stops
$571Multiple Airlines
Sat, Jul 11 - Wed, Jul 15
Multiple Airlines Logo
6:30 am - 1:50 pm
LGA
-
YXU
31h 20m
3 stops
Multiple Airlines Logo
6:20 pm - 10:35 pm
YXU
-
LGA
4h 15m
1 stop
$574Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
6:30 am - 1:50 pm
LGA
-
YXU
31h 20m
3 stops
Multiple Airlines Logo
3:30 pm - 9:30 pm
YXU
-
LGA
6h 00m
2 stops
$584Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
3:30 pm - 1:50 pm
LGA
-
YXU
22h 20m
3 stops
Multiple Airlines Logo
10:05 am - 4:57 pm
YXU
-
LGA
6h 52m
2 stops
$587Multiple Airlines
Sat, Jul 11 - Wed, Jul 15
Multiple Airlines Logo
8:25 pm - 1:50 pm
LGA
-
YXU
17h 25m
2 stops
Multiple Airlines Logo
6:20 pm - 10:35 pm
YXU
-
LGA
4h 15m
1 stop
$594Multiple Airlines
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
6:30 am - 5:20 am
LGA
-
YXU
22h 50m
3 stops
Multiple Airlines Logo
6:20 pm - 10:35 pm
YXU
-
LGA
4h 15m
1 stop
$603Multiple Airlines
Tue, Jul 14 - Sun, Jul 19
Air Canada Logo
10:40 am - 5:42 pm
LGA
-
YXU
7h 02m
2 stops
Air Canada Logo
10:05 am - 1:35 pm
YXU
-
LGA
3h 30m
1 stop
$618Air Canada
Tue, Jul 14 - Sun, Jul 19
Air Canada Logo
8:45 am - 2:52 pm
LGA
-
YXU
6h 07m
1 stop
Air Canada Logo
6:20 pm - 10:35 pm
YXU
-
LGA
4h 15m
1 stop
$620Air Canada
Tue, Jul 14 - Sun, Jul 19
Air Canada Logo
2:30 pm - 8:32 pm
LGA
-
YXU
6h 02m
1 stop
Air Canada Logo
6:20 pm - 10:35 pm
YXU
-
LGA
4h 15m
1 stop
$621Air Canada
Thu, Jul 9 - Sat, Jul 18
Multiple Airlines Logo
8:25 pm - 5:20 am
LGA
-
YXU
32h 55m
3 stops
Multiple Airlines Logo
2:40 pm - 8:55 am
YXU
-
LGA
18h 15m
2 stops
$625Multiple Airlines
Wed, Jul 22 - Tue, Jul 28

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Air Canada flights from New York LaGuardia Airport to London, Ontario

Our best Air Canada deals on New York LaGuardia Airport to London, Ontario flight tickets
Air Canada
Jul 14
LGA10:40 amNew York LaGuardia
7h 02m
2 stops
YXU5:42 pmLondon
Jul 19
YXU10:05 amLondon
3h 30m
1 stop
LGA1:35 pmNew York LaGuardia
$618
Air Canada
Jul 14
LGA8:45 amNew York LaGuardia
6h 07m
1 stop
YXU2:52 pmLondon
Jul 19
YXU6:20 pmLondon
4h 15m
1 stop
LGA10:35 pmNew York LaGuardia
$620
Air Canada
Jul 11
LGA11:35 amNew York LaGuardia
6h 07m
1 stop
YXU5:42 pmLondon
Jul 15
YXU3:30 pmLondon
5h 29m
1 stop
LGA8:59 pmNew York LaGuardia
$621

United Airlines flights from New York LaGuardia Airport to London, Ontario

Our best United Airlines deals on New York LaGuardia Airport to London, Ontario flight tickets
United Airlines
Sep 25
LGA6:00 amNew York LaGuardia
8h 55m
2 stops
YXU2:55 pmLondon
Sep 27
YXU10:05 amLondon
3h 31m
1 stop
LGA1:36 pmNew York LaGuardia
$833
United Airlines
Jul 7
LGA4:00 pmNew York LaGuardia
4h 32m
1 stop
YXU8:32 pmLondon
Jul 11
YXU6:20 pmLondon
4h 15m
1 stop
LGA10:35 pmNew York LaGuardia
$857
United Airlines
Jul 13
LGA4:45 pmNew York LaGuardia
3h 47m
1 stop
YXU8:32 pmLondon
Jul 19
YXU10:05 amLondon
3h 30m
1 stop
LGA1:35 pmNew York LaGuardia
$858

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to London, Ontario 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sat 7/11

2:30 pm-5:20 am

2 stops14h 50m

London

Wed 7/15

10:05 am-4:57 pm

2 stops6h 52m

$571

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 7/9

6:30 am-1:50 pm

3 stops31h 20m

London

Sat 7/18

6:20 pm-10:35 pm

1 stop4h 15m

$574

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 7/9

6:30 am-1:50 pm

3 stops31h 20m

London

Sat 7/18

3:30 pm-9:30 pm

2 stops6h 00m

$584

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sat 7/11

3:30 pm-1:50 pm

3 stops22h 20m

London

Wed 7/15

10:05 am-4:57 pm

2 stops6h 52m

$587

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 7/9

8:25 pm-1:50 pm

2 stops17h 25m

London

Sat 7/18

6:20 pm-10:35 pm

1 stop4h 15m

$594

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 7/14

6:30 am-5:20 am

3 stops22h 50m

London

Sun 7/19

6:20 pm-10:35 pm

1 stop4h 15m

$603

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 7/14

10:40 am-5:42 pm

2 stops7h 02m

London

Sun 7/19

10:05 am-1:35 pm

1 stop3h 30m

$618

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 7/14

8:45 am-2:52 pm

1 stop6h 07m

London

Sun 7/19

6:20 pm-10:35 pm

1 stop4h 15m

$620
Quickest round-trip

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 7/9

2:30 pm-8:32 pm

1 stop6h 02m

London

Sat 7/18

6:20 pm-10:35 pm

1 stop4h 15m

$621

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 7/22

8:25 pm-5:20 am

3 stops32h 55m

London

Tue 7/28

2:40 pm-8:55 am

2 stops18h 15m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from New York LaGuardia Airport 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

What is the cheapest airline that flies from New York LaGuardia to London?

Air Canada is the most popular carrier operating from New York LaGuardia to London

What airlines fly to London, Ontario?

Porter Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to London, Ontario from New York LaGuardia Airport according to our data. Porter Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 7 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from New York LaGuardia Airport to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to London, Ontario (LGA to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to London, Ontario

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from New York LaGuardia Airport to London, Ontario takes 4h 55m
There are no direct flights from New York LaGuardia Airport to London, Ontario. There are no popular flight routes from New York LaGuardia Airport to London, Ontario.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to London, Ontario

  • How far is New York LaGuardia to London by plane?

    New York LaGuardia and London are 407.7 mi apart from one another. By plane, this route typically takes 4h 55m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to London Airport?

    Prices for flights from New York LaGuardia Airport to London Airport refresh daily.

  • How old do you have to be to fly from New York LaGuardia Airport to London Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to London Airport.

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

    The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

Why should I use momondo to find a flight deal from New York to London?

It is quick and easy to find New York 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 New York to London with flexible booking policies on momondo?

All flight searches from New York to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to London?

momondo helps you find the best flight between New York 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 New York to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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