$399 Cheap Flights from Flint (FNT) to London (LHR)

View $399 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR)

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Cheap Flights from Flint to London (FNT-LHR)

Prices were available within the past 7 days and start at $399 for one-way flights and $632 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Sep 21 - Thu, Oct 2
FNT
Flint
LHR
London
$632 Roundtrip, found 2 hours ago
$632
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Sep 21 from Flint to London, returning Thu, Oct 2, priced at $632 found 2 hours ago
United
Tue, Aug 26 - Tue, Sep 16
FNT
Flint
LHR
London
$634 Roundtrip, found 1 day ago
$634
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Flint to London, returning Tue, Sep 16, priced at $634 found 1 day ago
British Airways
Wed, Oct 8 - Mon, Oct 13
FNT
Flint
LHR
London
$637 Roundtrip, found 9 hours ago
$637
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Oct 8 from Flint to London, returning Mon, Oct 13, priced at $637 found 9 hours ago
British Airways
Wed, Oct 8 - Mon, Oct 13
FNT
Flint
LHR
London
$637 Roundtrip, found 10 hours ago
$637
Roundtrip
found 10 hours ago
Select British Airways flight, departing Wed, Oct 8 from Flint to London, returning Mon, Oct 13, priced at $637 found 10 hours ago
United
Sun, Sep 21 - Tue, Sep 30
FNT
Flint
LHR
London
$638 Roundtrip, found 2 hours ago
$638
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Sep 21 from Flint to London, returning Tue, Sep 30, priced at $638 found 2 hours ago
United
Wed, Sep 24 - Thu, Oct 2
FNT
Flint
LHR
London
$640 Roundtrip, found 2 hours ago
$640
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 24 from Flint to London, returning Thu, Oct 2, priced at $640 found 2 hours ago
United
Sun, Sep 21 - Thu, Oct 2
FNT
Flint
LHR
London
$641 Roundtrip, found 2 days ago
$641
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 21 from Flint to London, returning Thu, Oct 2, priced at $641 found 2 days ago
United
Wed, Sep 24 - Thu, Oct 2
FNT
Flint
LHR
London
$646 Roundtrip, found 2 hours ago
$646
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 24 from Flint to London, returning Thu, Oct 2, priced at $646 found 2 hours ago
American Airlines
Tue, Oct 21 - Tue, Oct 28
FNT
Flint
LHR
London
$650 Roundtrip, just found
$650
Roundtrip
just found
Select American Airlines flight, departing Tue, Oct 21 from Flint to London, returning Tue, Oct 28, priced at $650 just found
British Airways
Sun, Aug 10 - Tue, Aug 26
FNT
Flint
LHR
London
$650 Roundtrip, found 23 hours ago
$650
Roundtrip
found 23 hours ago
Select British Airways flight, departing Sun, Aug 10 from Flint to London, returning Tue, Aug 26, priced at $650 found 23 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $974
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $974
Flights from Flint (FNT) to London (LHR)
Origin airport
Bishop Intl.
Destination airport
Heathrow
Airlines serving
American Airlines, British Airways, United
Roundtrip price
$631
Distance
3737 mi

Flint to London Flights

The cheapest times to fly from Flint 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 Flint to London are during the month of September. You can find some of the cheapest flights from Flint to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flint to London

Sunday is one of the best days to book for cheap flights from Flint 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 Flint 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 Flint to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 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 Flint 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 Flint 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 Bishop Intl. Airport (FNT) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from FNT to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FNT to LHR?
The cheapest flights from FNT to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR)?
There aren't any direct flights from Flint, MI (FNT-Bishop Intl.) to Heathrow Airport (LHR). However, you can find other airports that offer nonstop flights. Begin your journey at Detroit Metropolitan Wayne County Airport (DTW) and travel straight to London without any detours.
What is the cheapest airline that flies from FNT to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from FNT to LHR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR)?
Direct flights from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FNT 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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR)?
To avoid potential delays on the Bishop Intl. Airport (FNT) to Heathrow Airport (LHR) route, travel before 3 PM. Departures after this time 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 Bishop Intl. Airport (FNT) to Heathrow Airport (LHR) last-minute?
Last-minute bookings from FNT to LHR are usually more expensive. To secure the best rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a FNT to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a FNT to LHR flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Bishop Intl. Airport (FNT) to Heathrow Airport (LHR)?
Typically, you can reschedule or cancel your FNT to LHR flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.