Flights to London Heathrow

$149 Cheap flights to London Heathrow Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London Heathrow Airport departing on 7/22. 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
0 bags

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Find the cheapest flights from the United States to London Heathrow Airport

Cheap round-trip flights

SWISS Logo
5:05 pm - 11:25 amBOS-LHR
13h 20m1 stop
SWISS Logo
8:40 am - 3:25 pmLHR-BOS
11h 45m1 stop
$271SWISS
Find Deal
Mon, Oct 13 - Fri, Oct 17
Scandinavian Airlines Logo
6:50 pm - 2:35 pmEWR-LHR
14h 45m1 stop
Scandinavian Airlines Logo
6:40 am - 1:15 pmLHR-EWR
11h 35m1 stop
$278Scandinavian Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
Iberia Logo
7:25 pm - 7:05 amBOS-LHR
6h 40mnonstop
Iberia Logo
7:25 pm - 9:15 pmLHR-BOS
30h 50m1 stop
$369Iberia
Find Deal
Sun, Sep 21 - Mon, Sep 22
Iberia Logo
9:50 pm - 9:40 amJFK-LHR
6h 50mnonstop
Iberia Logo
9:15 am - 7:15 pmLHR-JFK
15h 00m1 stop
$374Iberia
Find Deal
Tue, Nov 18 - Thu, Nov 20
British Airways Logo
7:40 pm - 7:20 amBOS-LHR
6h 40mnonstop
British Airways Logo
6:10 am - 7:50 pmLHR-BOS
18h 40m1 stop
$386British Airways
Find Deal
Fri, Sep 19 - Sun, Sep 21
British Airways Logo
7:40 pm - 7:20 amBOS-LHR
6h 40mnonstop
British Airways Logo
6:10 am - 3:00 pmLHR-BOS
13h 50m1 stop
$387British Airways
Find Deal
Fri, Sep 5 - Sun, Sep 7
United Airlines Logo
6:55 pm - 8:35 amBOS-LHR
32h 40m1 stop
United Airlines Logo
7:25 am - 9:55 amLHR-BOS
31h 30m2 stops
$402United Airlines
Find Deal
Sat, Sep 20 - Tue, Sep 23
United Airlines Logo
6:30 pm - 10:10 amBOS-LHR
10h 40m1 stop
United Airlines Logo
6:50 am - 4:28 pmLHR-BOS
14h 38m2 stops
$406United Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27
Delta Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
Delta Logo
6:15 am - 11:15 amLHR-SEA
13h 00m1 stop
$512Delta
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Mon, Aug 11 - Thu, Aug 21
Delta Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
Delta Logo
6:30 am - 11:35 amLHR-SEA
13h 05m1 stop
$513Delta
Find Deal
Mon, Aug 11 - Wed, Aug 20

See travel insights to London Heathrow Airport from

Flights to London Heathrow Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to London Heathrow Airport to help you craft the best travel plan.

What cabin class options are available on United States to London Heathrow flights?

There are 4 cabin classes available to choose from on United States to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 $639. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $678.

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from United States, with most prices found around $549. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from United States to London Heathrow Airport during January average around $568.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from United States to London Heathrow Airport at noon for as low as $586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $701.

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

Fly from Newark to London Heathrow for the best United States - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $619 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from United States for as low as $553 on momondo.

Cheapest flights to London Heathrow

Find the cheapest flights to London Heathrow from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM LOS ANGELESOctober18% cheaperFlying from Los Angeles to London Heathrow Airport costs on average just $644 in October
MOST EXPENSIVE MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM LOS ANGELESJune31% more expensiveIt costs about $1,030 for flights to London Heathrow Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM LOS ANGELESJuly209% more users visitedMore momondo users searched in flights to London Heathrow Airport from Los Angeles in July than any other month

Cheap London Heathrow Airport flight deals and tips

Summary info about London Heathrow Airport flight prices, duration and airlines

Best One-Way Price

$149

Best Round-Trip Price

$271

Fastest flight time

10h 05m

Popular in

June
The best one-way flight price to London from United States in the last 72 hours is $149 (New York John F Kennedy Intl to London Heathrow).
The best round-trip flight price to London from United States in the last 72 hours is $271 (Boston Logan Intl to London Heathrow).
The fastest flight to London from United States takes 10h 05m (Boston Logan Intl to London Heathrow).
June has the highest demand for flights to London, with a 22% price increase on average.

Frequently asked questions about flying to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

Most travelers find the cheapest round-trip airfare to London Heathrow Airport when booking during the month of October.

How far in advance should I book a flight to London Heathrow Airport?

From most locations, booking your flights to London Heathrow Airport around 85 days prior to your departure date finds the best deals.

What is the cheapest day to depart on your flight to London Heathrow Airport?

From most locations, the cheapest day to fly to London Heathrow Airport is Wednesday. Most users found that departing on a Sunday was most expensive.

What is the cheapest time of day to fly to London Heathrow Airport?

In general, when looking for the cheapest flight to London Heathrow Airport, our data indicates that Noon flights are the most cost-effective. Afternoon flights tend to be the most expensive.

Is there an alternative airport near London Heathrow Airport?

Those flying to London Heathrow Airport could potentially find better pricing at London City Airport (8 mi from London city center), London Gatwick Airport (24 mi from London city center), London Luton Airport (28 mi from London city center), London Stansted Airport (31 mi from London city center) or London Southend Airport (36 mi from London city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into London?

With an average price of $133 per person, London Stansted Airport is the cheapest airport to fly into when planning your trip to London. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to London?

$19 is the cheapest deal found on momondo in the last two weeks for a flight to London. This flight is from Bremen and is 93% cheaper than most flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

What airlines fly to London Heathrow Airport?

When did momondo last update prices for flights to London Heathrow Airport?

Prices for flights to London Heathrow Airport refresh daily.

How many operators does momondo search for flights to London Heathrow Airport?

How old do you have to be to fly to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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.


Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Slough
Dover
Dartford
Guildford
Stansted
Hayes
Milton Keynes
Salisbury
Swindon
Ilford
Colchester
Stratford-upon-Avon
Chelmsford
Canterbury
Watford
Richmond

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to London. momondo saves you time and could save you money on your trip.

Can I find flights to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to London?

Once you have performed a search for flights to London, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight to London now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to London and let you know when they change.


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1 adult
Tue 7/8
Tue 7/15

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Popular flights to London Heathrow Airport

Popular routes according to searches in the past day on momondo