Cheap flights from New York LaGuardia Airport to London from $243
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 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Air Canada flights from New York LaGuardia Airport to London Heathrow Airport
Our best Air Canada deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
Virgin Atlantic flights from New York LaGuardia Airport to London Heathrow Airport
Our best Virgin Atlantic deals on New York LaGuardia Airport to London Heathrow Airport flight tickets
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Use the filters below to find and compare flights from New York LaGuardia Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sun 11/22
7:55 pm-11:20 am
1 stop10h 25m
London Heathrow
Sat 11/28
1:00 pm-9:30 pm
1 stop13h 30m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sun 11/22
6:55 pm-11:20 am
1 stop11h 25m
London Heathrow
Sat 11/28
1:00 pm-9:30 pm
1 stop13h 30m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Fri 11/6
3:30 pm-7:10 am
1 stop10h 40m
London Heathrow
Sun 11/8
6:00 am-9:30 pm
2 stops20h 30m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Tue 12/1
5:35 pm-7:10 am
1 stop32h 35m
London Heathrow
Fri 12/4
6:00 am-9:33 pm
2 stops20h 33m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Tue 11/10
3:30 pm-7:10 am
1 stop10h 40m
London Heathrow
Thu 11/12
6:00 am-7:06 pm
2 stops18h 06m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Fri 12/11
6:00 am-6:30 am
1 stop19h 30m
London Heathrow
Sun 12/13
6:00 am-7:03 pm
2 stops18h 03m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Tue 11/3
4:00 pm-6:50 am
1 stop9h 50m
London Heathrow
Wed 11/11
5:20 pm-11:26 pm
1 stop11h 06m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sun 11/8
1:10 pm-7:10 am
1 stop13h 00m
London Heathrow
Tue 11/10
7:00 am-6:45 pm
2 stops16h 45m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Mon 11/2
7:45 pm-7:10 am
1 stop30h 25m
London Heathrow
Thu 11/5
6:50 am-6:45 pm
2 stops16h 55m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Fri 11/13
10:35 am-7:10 am
1 stop15h 35m
London Heathrow
Sun 11/15
6:50 am-6:45 pm
2 stops16h 55m
See travel insights to London from
How to get the cheapest flight ticket from New York LaGuardia Airport to London Heathrow Airport
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 month to fly to London Heathrow Airport?
The month of April is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around $550. If you’re not able to fly to London Heathrow Airport in April, then February is your next best option. Flight prices from New York LaGuardia Airport to London Heathrow Airport during February average around $658.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $792. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $826.
When to book flights from New York LaGuardia Airport to London Heathrow Airport
Cheap New York LaGuardia Airport to London Heathrow Airport (LGA to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to London Heathrow Airport
Frequently asked questions about flying from New York LaGuardia Airport to London Heathrow Airport
How far is New York LaGuardia to London Heathrow by plane?
A flight from New York LaGuardia to London Heathrow will travel around 3438.0 mi. A reasonable flight in good conditions will take 8h 55m.
When did momondo last update prices for flights from New York LaGuardia Airport to London Heathrow Airport?
Prices for flights from New York LaGuardia Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from New York LaGuardia Airport to London Heathrow Airport?
The number of operators available for flights from New York LaGuardia Airport to London Heathrow Airport is 2 as of October 2026.
How old do you have to be to fly from New York LaGuardia Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from New York LaGuardia Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from New York LaGuardia Airport to London Heathrow Airport is Air Canada (59% of total bookings). The next most popular airline is United Airlines (41%).
Best airlines flying from New York LaGuardia Airport to London Heathrow Airport
Compare and see reviews for airlines that fly from New York LaGuardia Airport to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $361 | Free Cancellation | Rating 7.4 10,332 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.1 11,748 reviews |
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Why should I use momondo to find a flight deal from New York to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to London for you.
Can I find flights from New York to London with flexible booking policies on momondo?
Yes. All flights to London from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.
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 can track prices for New York to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.