When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 19% on flights from USA to London compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $645. For sooner than that we have options available in the next 3 days from $730.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to London. Flights to London from USA in February are about $606 on average during February, but can be found for as low as $353.
When flying from USA to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$240 - $451
Route
Depart
Return
Price
New York John F Kennedy IntlLondon Gatwick
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Fri 9/6
Nonstop7h 00m
London Gatwick
Sat 9/14
Nonstop7h 50m
New York John F Kennedy IntlLondon Gatwick
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Wed 11/20
Nonstop6h 50m
London Gatwick
Sat 11/23
1 stop20h 40m
New York John F Kennedy IntlLondon Heathrow
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Fri 11/8
1 stop16h 05m
London Heathrow
Sun 11/10
1 stop12h 40m
New York LaGuardiaLondon Heathrow
LGA - LHR
LGALHR
New York LaGuardia
Fri 11/15
1 stop10h 35m
London Heathrow
Sun 11/17
2 stops13h 03m
Boston Logan IntlLondon Heathrow
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 9/15
1 stop18h 20m
London Heathrow
Tue 9/24
1 stop10h 45m
New York John F Kennedy IntlLondon Heathrow
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Fri 9/27
1 stop13h 15m
London Heathrow
Sun 9/29
2 stops37h 20m
New York John F Kennedy IntlLondon Heathrow
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Fri 11/8
1 stop13h 30m
London Heathrow
Sun 11/10
Nonstop8h 05m
New York John F Kennedy IntlLondon Heathrow
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Wed 9/25
Nonstop7h 20m
London Heathrow
Mon 10/7
Nonstop8h 05m
New York John F Kennedy IntlLondon Heathrow
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Tue 10/29
Nonstop7h 34m
London Heathrow
Tue 11/12
1 stop19h 05m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Few cities in the world offer a greater range of historical sites and cultural attractions than London. From the cobblestone streets where Shakespeare once walked to the modern Oxford Street shopping district, this massive city has something for everyone. Frequent flights connect you to London from many cities in the United States, so you can be sipping tea or watching the changing of the guard in no time.
London buzzes with energy day and night, so you can hit the ground running immediately after your flight from the United States. If you're into art, check out the stunning Tate Modern; for a special view of the city, hop on a boat tour on the River Thames. The West End theater district offers everything from musicals to first-run plays, and the Tower of London provides a glimpse at the crown jewels and ancient dungeons. In the evening, don't miss the view of the illuminated London Eye and Big Ben from the Westminster Bridge.
Try out our smart search engine to find cheap flights from the United States to London.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$269 | Average$1,079 | FlexibilityNo cancel fee | On-time60% | |
Cheapest$290 | Average$753 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$308 | Average$700 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$315 | Average$840 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$354 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$359 | Average$521 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$375 | Average$902 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$398 | Average$716 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$403 | Average$592 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$440 | Average$739 | FlexibilityNo cancel fee | On-time81% |
1%of flight departures | Early morningMidnight to 6 am |
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8%of flight departures | Morning6 am to noon |
21%of flight departures | AfternoonNoon to 6 pm |
70%of flight departures | Evening6 pm to midnight |