$193 Find Cheap Flights from London to the United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to the United States departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from London to the United States

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
New York
Newark1 stop$459
Los Angeles
Los Angeles1 stop$283
Las Vegas
Las Vegas1 stop$397
Miami
Miami1 stop$438
San Francisco
San Francisco1 stop$547
Boston
Boston2 stops$511
Seattle
Seattle2 stops$543
Fort Lauderdale
Fort Lauderdale2 stops$351
Tampa
Tampa1 stop$351
San Diego
San Diego1 stop$471
New York
Newark1 stop$459
Los Angeles
Los Angeles1 stop$283
Las Vegas
Las Vegas1 stop$397
Miami
Miami1 stop$438
San Francisco
San Francisco1 stop$547
Boston
Boston2 stops$511
Seattle
Seattle2 stops$543
Fort Lauderdale
Fort Lauderdale2 stops$351
Tampa
Tampa1 stop$351
San Diego
San Diego1 stop$471

Book Cheap London to the United States Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to the United States that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

金, 1月 16 - 日, 1月 25
WestJet Logo
7:30 am - 10:03 pmYXU-LAX
17h 33m1 stop
WestJet Logo
7:00 am - 7:12 pmLAX-YXU
9h 12m1 stop
$283WestJet
Find Deal
金, 1月 16 - 日, 1月 25
WestJet Logo
7:30 am - 10:03 pmYXU-LAX
17h 33m1 stop
WestJet Logo
7:00 am - 7:12 pmLAX-YXU
9h 12m1 stop
$284WestJet
Find Deal
金, 1月 16 - 日, 1月 25
WestJet Logo
7:30 am - 10:03 pmYXU-LAX
17h 33m1 stop
WestJet Logo
11:50 am - 6:34 amLAX-YXU
15h 44m2 stops
$293WestJet
Find Deal
日, 4月 5 - 木, 4月 9
Air Canada Logo
5:10 am - 5:26 pmYXU-FLL
12h 16m2 stops
Air Canada Logo
11:15 am - 5:03 pmFLL-YXU
5h 48m1 stop
$351Air Canada
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水, 1月 21 - 金, 1月 23
Air Canada Logo
5:10 am - 5:07 pmYXU-MCO
11h 57m2 stops
Air Canada Logo
10:20 am - 5:05 pmMCO-YXU
6h 45m1 stop
$351Air Canada
Find Deal
金, 1月 16 - 土, 1月 24
United Airlines Logo
9:25 am - 3:17 pmYXU-LAX
8h 52m1 stop
United Airlines Logo
12:30 am - 5:05 pmLAX-YXU
13h 35m2 stops
$387United Airlines
Find Deal
金, 1月 16 - 土, 1月 24
United Airlines Logo
5:10 am - 10:32 amYXU-LAX
8h 22m1 stop
United Airlines Logo
12:40 am - 5:05 pmLAX-YXU
13h 25m2 stops
$388United Airlines
Find Deal
月, 11月 17 - 月, 11月 24
Multiple Airlines Logo
5:15 am - 7:57 pmYXU-MCO
14h 42m2 stops
Multiple Airlines Logo
8:30 am - 9:21 pmMCO-YXU
12h 51m2 stops
$433Multiple Airlines
Find Deal
金, 11月 28 - 金, 12月 5
Multiple Airlines Logo
5:15 am - 9:58 pmYXU-MCO
16h 43m2 stops
Multiple Airlines Logo
8:00 am - 5:05 pmMCO-YXU
9h 05m1 stop
$454Multiple Airlines
Find Deal
日, 12月 21 - 日, 12月 28
Lufthansa Logo
9:25 am - 10:25 pmYXU-ONT
16h 00m2 stops
Lufthansa Logo
5:05 am - 9:21 pmONT-YXU
13h 16m2 stops
$829Lufthansa
Find Deal
Booking Insights

KAYAK's insights & trends for London to the United States flights

Get data-powered insights and trends into flights from London to the United States to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London to the United States flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United States from London found in the last 72 hours was to Orlando, at $171 round-trip. The most popular route is from London (YXU) to Orlando Airport (MCO), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $171.

Can I save money by flying with a layover from London to the United States?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $171, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from London to the United States?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to the United States, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to the United States is July, when tickets cost $421 (return) on average. On the other hand, the most expensive months are October and August, when the average cost of round-trip tickets is $732 and $721 respectively.

Good to know

Low seasonJuly
Cheapest flight$193
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from London to Fort Lauderdale

FAQs - booking United States flights

  • How does KAYAK find such low prices on flights from London to the United States?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to the United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to the United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to the United States?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to the United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to the United States?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to the United States?

    The cheapest time of day to fly to the United States is generally in the morning, when round-trip flights cost $408 on average. Morning departures are around 4% cheaper than evening flights, on average. The most expensive time of day to fly to the United States is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $482.

Reviews of the top airlines flying from London to the United States

 
Need help choosing which airline to fly with from London to the United States? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 10416 reviews
6.3Food
7.3Boarding
6.8Entertainment
7.1Comfort
7.8Crew
Airline reviews

Good but need to be better with the flight times.

6.0 GoodAnonymous, Nov 2025YYZ - PHL
Read more Air Canada reviews

Good but need to be better with the flight times.

The staff was great and made the long trip easy peasy!

The free Wi-fi for Aeroplan members was a great touch. The time passed quickly. I found the seats seemed a little closer together than I remember. Not Air Canada's fault, but we were about 20 minutes late landing because the airport was too busy. We had to circle around for a while. The boarding and disembarking went very smoothly.

Too many delays. Seats too small. A budget airline. Will never fly Air Canada again.

Extremely turbulent landing. Crew was friendly and plane comfortable. Airport and US pre clearance was understaffed

The airplane is way too tight, you can hardly enter into your row to sit.. more like kids seats than adults.

Wifi was great. Kind air crew and comfortable seating. Also liked the entertainment options.

First message when all on board was that we didnt have a pilot, then they found one, then it was something about the bridge something not working, they will either fix or do manually. Flight of course was leaving late with all the cruise guests worrying about making it to their ship in time. Then only some luggage made it off the ship. Around 15 to 20 people waiting. 45 min later arrived except mine. I asked the rep at the luggage conveyor, he asked me my name. Then said it was not picked up with the first batch so they put it in a room. I was going to take public transport but now worried about time so took a taxi that cost me $65 USD

The flight was very smooth and good. Boarding was fast, but the staff was just decently friendly.

Air Canada flight staff are in contact negotiations and they are less than happy and it show. The process of self checking baggage is less than desirable with lack of support staff to help

Flight attendant said bye bud. Lol peak flair right there

On time flight. Reasonably comfortable seats. Disliked having to pay for refreshment and snacks.

Very bead I am going to Vancouver to toronto. Not boarding receive. Before flight ✈️ time I have to take boarding. Boarding manager asking me pay $89 . Just flight ✈️ time before I pay .after provided the Boarding pass. Flair Airlines management not good. But kayak is best application.

Not good Even after I made my booking, I was charged $90 for my boarding pass. I have collected boarding pass i pay $90 near . Flair airline not good. Without pay no boarding pass.

The flight was smooth, but the seats are not comfortable. I was not able to sleep. The sizes for the personal item and carry-on are way smaller than other airlines.

Leg room was terrible and seats very narrow. Flight was also delayed.

The worst airline experience that I ever had in my life. The fare was cheap but boy do you pay for it when it comes to baggages, carry-ons, food on board and lack of available staff at check-in. Almost every other passenger on my flight had the same complaints and experience. We all bonded discussing our displeasure. My husband and I will definitely not be traveling with Flair Airlines. We'll take anyone else.

The most uncomfortable plane I ever fly on. The seats won't even recline a little. For a 5 hrs flight at night and tired it felt like torture

Seats in 1 res are dispersed all over the plane, even child was across

Personally, I will not use this fight again. The service is poor, you have to buy even water. They don't provide anything even sneak, you have to buy. They said Personally items for 7 kg. Then they use some measurements, if you have 7kg and if it's not getting inside of their measurements, you have to pay 80$ this is robbery. I will prefer other flight then this. I am désappointement taking this airplane.

Everything you need to know for your flight from London to the United States

Information on your arrival and departure airports