BTV - LHR

$399 Find Cheap Flights from Burlington to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Burlington to London departing on 5/3. 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

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Burlington to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Burlington to London, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$644
United Airlines
Fri 3/20Thu 3/26
BTV - LHR • 1 stop
Cheapest one-way
$399
United Airlines
Sun 5/3
BTV - LHR • 1 stop
Top airlines
United Airlines
Cheapest • from $644 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
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We hope you love your trip to London!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Burlington to London (BTV-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Burlington to London 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 Burlington to London

Fri, Mar 20 - Thu, Mar 26
United Airlines Logo
2:55 pm - 6:20 am
BTV
-
LHR
11h 25m
1 stop
United Airlines Logo
6:30 am - 11:44 pm
LHR
-
BTV
21h 14m
2 stops
$644United Airlines
Fri, Mar 20 - Thu, Mar 26
United Airlines Logo
5:30 am - 7:10 am
BTV
-
LHR
21h 40m
2 stops
United Airlines Logo
8:30 am - 11:44 pm
LHR
-
BTV
19h 14m
2 stops
$647United Airlines
Wed, Apr 22 - Tue, Apr 28
United Airlines Logo
10:08 am - 6:55 am
BTV
-
LHR
15h 47m
1 stop
United Airlines Logo
6:50 am - 10:05 am
LHR
-
BTV
32h 15m
2 stops
$649United Airlines
Tue, Apr 28 - Mon, May 11
British Airways Logo
5:35 pm - 10:20 am
BTV
-
LHR
11h 45m
1 stop
British Airways Logo
9:35 pm - 5:00 pm
LHR
-
BTV
24h 25m
2 stops
$653British Airways
Tue, Apr 28 - Mon, May 11
British Airways Logo
5:35 pm - 10:15 pm
BTV
-
LHR
23h 40m
2 stops
British Airways Logo
8:35 pm - 11:29 pm
LHR
-
BTV
31h 54m
2 stops
$660British Airways
Fri, Mar 20 - Thu, Mar 26
United Airlines Logo
7:30 pm - 10:50 am
BTV
-
LHR
11h 20m
1 stop
United Airlines Logo
12:05 pm - 11:44 pm
LHR
-
BTV
15h 39m
1 stop
$661United Airlines
Wed, Mar 25 - Tue, Mar 31
United Airlines Logo
6:15 am - 9:20 pm
BTV
-
LHR
11h 05m
1 stop
United Airlines Logo
2:10 pm - 2:21 pm
LHR
-
BTV
29h 11m
2 stops
$678United Airlines
Wed, Mar 25 - Tue, Mar 31
Air Canada Logo
6:00 am - 7:10 am
BTV
-
LHR
21h 10m
2 stops
Air Canada Logo
5:40 pm - 2:21 pm
LHR
-
BTV
25h 41m
2 stops
$681Air Canada
Wed, Apr 22 - Tue, Apr 28
Delta Logo
4:36 pm - 12:05 pm
BTV
-
LHR
14h 29m
2 stops
Delta Logo
12:25 pm - 11:17 pm
LHR
-
BTV
15h 52m
2 stops
$682Delta
Wed, Apr 15 - Fri, Apr 24
Scandinavian Airlines Logo
7:10 am - 7:40 am
BTV
-
LHR
19h 30m
2 stops
Scandinavian Airlines Logo
3:15 pm - 11:59 pm
LHR
-
BTV
13h 44m
1 stop
$687Scandinavian Airlines
Booking Insights

KAYAK's insights & trends for Burlington to London flights

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

Which airlines provide the cheapest flights from Burlington to London Heathrow Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Burlington to London Heathrow Airport were found on United Airlines ($644) and British Airways ($653).

Good to know

Low seasonDecember
Cheapest flight$399
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from Burlington to London Heathrow Airport

When to book flights from Burlington to London

Are your dates flexible? Find out the best times to travel from Burlington to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Burlington to London Heathrow Airport flights

  • What is the cheapest flight from Burlington to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Burlington to London Heathrow Airport was $399 for a one-way ticket and $644 for a round-trip.

  • Do I need a passport to fly between Burlington and London Heathrow Airport?

    Yes

  • Which airports will I be using when flying from Burlington to London Heathrow Airport?

    Burlington airport is called Burlington and the only airport in London Heathrow Airport is London Heathrow.

  • Which aircraft models fly most regularly from Burlington to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Burlington to London Heathrow Airport?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Burlington and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Burlington to London, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Burlington to London are Delta and United Airlines. With an average price for the route of $749 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,093 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Burlington to London Heathrow Airport?

    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 Burlington to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Burlington 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 Burlington to London Heathrow Airport?

    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 to London Heathrow Airport with an airline and back to Burlington with another airline. Booking your flights between Burlington and LHR can sometimes prove cheaper using this method.

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

    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 to London Heathrow Airport from Burlington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Burlington to London

 
See real verified KAYAK customer reviews for airlines flying from Burlington to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Burlington to London? 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.
7.9
DeltaOverall score based on 8212 reviews
8.5Crew
8.1Boarding
7.9Comfort
7.2Food
7.8Entertainment
Airline reviews

Terrible. Four hour delay because Delta could not find crew to man the aircraft. Terrible communication. Terrible insight into the delays. One of the worst flight experiences I’ve had.

2.0 MediocreDonna, Feb 2026
DEN - LGA
Read more Delta reviews

Terrible. Four hour delay because Delta could not find crew to man the aircraft. Terrible communication. Terrible insight into the delays. One of the worst flight experiences I’ve had.

It was good. The leg room was not great in Row 1.

The landing was the worst I’ve experienced with a flight.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

First flight out and was 85 minutes delayed. Notification came out way too late

Delta flights recently are always delayed AND at jfk tney get the gates further away (need To walk 20’ to get to them/all the way at the end of the terminal). Not sure whats happening but price doesnt match experience!

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

Delta continues to set the benchmark for traveler-friendly service with minimal disruption and clear communication within the mainland US (coast to coast). I am consistently pleased to be a Delta customer, and this experience once again met my expectations. There was a brief delay departing from MIA due to a technical issue that required the aircraft to return to the gate. However, the situation was handled professionally and transparently. Fortunately, my planned layover allowed ample buffer time, so the adjustment caused no stress. Overall, another smooth and reassuring experience.

Good experience and the flight landed early. There was no food I had or entertainment.

Flight was delayed and no reasons provided. After the passengers were boarded, the crew made announcement that the captain has jot arrived and he would take another 15 mins. All passengers patiently sat until the captain came and started. Terrible experience!

it was a very short flight so my expectations were low.

As great a red-eye flight as red-eye flights can be.

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Entertainment kept turning itself off. Gave up on watching a movie.

Both the WIFI and entertainment did not work for 2.5h

The crew made our experience extremely bad. They were rude and didn’t have anything for kids.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

Everything you need to know for your flight from Burlington to London

Information on your arrival and departure airports