
Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to London (LON). 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 November 11, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $704 (United Airlines) |
One-way from | $281 (Booking.com) |
Popular in | October |
Cheapest in | February |
Average price | $628 |
Fly from
Fly to
Route
Depart
Return
Price
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Mon 11/30
7:37 pm-10:50 am
1 stop10h 13m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Sun 12/6
7:45 pm-7:10 am
1 stop30h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
New YorkLondon
LGA New York LaGuardia - LHR London Heathrow
LGALHR
New York LaGuardia
Wed 11/25
10:35 am-7:10 am
1 stop15h 35m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
New YorkLondon
LGA