$404 Cheap Flights from Burlington (BTV) to London (LHR)

View $404 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)

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Cheap Flights from Burlington to London (BTV-LHR)

Prices were available within the past 7 days and start at $404 for one-way flights and $524 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 28 - Tue, Nov 18
BTV
Burlington
LHR
London
$524 Roundtrip, found 6 days ago
$524
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 28 from Burlington to London, returning Tue, Nov 18, priced at $524 found 6 days ago
Delta
Mon, Sep 22 - Tue, Sep 30
BTV
Burlington
LHR
London
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Burlington to London, returning Tue, Sep 30, priced at $525 found 3 days ago
Delta
Sun, Oct 5 - Fri, Oct 24
BTV
Burlington
LHR
London
$531 Roundtrip, found 5 days ago
$531
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Oct 5 from Burlington to London, returning Fri, Oct 24, priced at $531 found 5 days ago
Virgin Atlantic
Wed, Nov 5 - Wed, Nov 12
BTV
Burlington
LHR
London
$532 Roundtrip, found 2 hours ago
$532
Roundtrip
found 2 hours ago
Select Virgin Atlantic flight, departing Wed, Nov 5 from Burlington to London, returning Wed, Nov 12, priced at $532 found 2 hours ago
Delta
Sun, Jan 25 - Tue, Feb 3
BTV
Burlington
LHR
London
$532 Roundtrip, found 5 hours ago
$532
Roundtrip
found 5 hours ago
Select Delta flight, departing Sun, Jan 25 from Burlington to London, returning Tue, Feb 3, priced at $532 found 5 hours ago
Delta
Wed, Feb 4 - Thu, Feb 12
BTV
Burlington
LHR
London
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 4 from Burlington to London, returning Thu, Feb 12, priced at $533 found 5 days ago
Virgin Atlantic
Wed, Nov 5 - Wed, Nov 12
BTV
Burlington
LHR
London
$536 Roundtrip, found 2 hours ago
$536
Roundtrip
found 2 hours ago
Select Virgin Atlantic flight, departing Wed, Nov 5 from Burlington to London, returning Wed, Nov 12, priced at $536 found 2 hours ago
KLM
Wed, Oct 22 - Wed, Nov 5
BTV
Burlington
LHR
London
$584 Roundtrip, found 23 hours ago
$584
Roundtrip
found 23 hours ago
Select KLM flight, departing Wed, Oct 22 from Burlington to London, returning Wed, Nov 5, priced at $584 found 23 hours ago
Scandinavian Airlines
Wed, Oct 22 - Tue, Oct 28
BTV
Burlington
LHR
London
$600 Roundtrip, found 1 day ago
$600
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, Oct 22 from Burlington to London, returning Tue, Oct 28, priced at $600 found 1 day ago
Air France
Wed, Oct 1 - Sun, Oct 5
BTV
Burlington
LHR
London
$634 Roundtrip, found 1 hour ago
$634
Roundtrip
found 1 hour ago
Select Air France flight, departing Wed, Oct 1 from Burlington to London, returning Sun, Oct 5, priced at $634 found 1 hour ago

Find the cheapest month to fly from Burlington (BTV) to London (LHR)

October is typically the cheapest month to fly

From $598 - $1,652 per traveler.
Flights from Burlington (BTV) to London (LHR)
Origin airport
Burlington Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$523
Distance
3257 mi

Burlington to London Flights

The cheapest times to fly from Burlington to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Burlington to London are during the month of October. You can find some of the cheapest flights from Burlington to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Burlington to London

Sunday is one of the best days to book for cheap flights from Burlington to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Burlington to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Burlington to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $404 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Burlington to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Burlington to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR) cost?
Lock in a cheap one-way flight from $404 or cheap return flight from $524 from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)?
October is the most affordable month to fly from BTV to LHR. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BTV to LHR. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)?
Nonstop flights from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BTV to LHR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)?
To avoid potential delays on the Burlington Intl. Airport (BTV) to Heathrow Airport (LHR) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR) last-minute?
Last-minute fares from BTV to LHR are generally more expensive. For the best rates, start looking for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a BTV to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking a BTV to LHR flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Burlington Intl. Airport (BTV) to Heathrow Airport (LHR)?
You can usually reschedule or cancel your BTV to LHR flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.