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Heathrow

$441+ Cheap flights from Flint (FNT) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LHR
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Flint to Heathrow

Cheapest flights from Flint to Heathrow
Explore the most affordable flight options available from Flint to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:29 am
FNT
-
LHR
2 stops18h 46m
United Airlines
Fri 8/288:00 am
LHR
-
FNT
1 stop12h 01m
United Airlines
Deal found 2/1$546
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:30 pm
FNT
-
LHR
1 stop15h 45m
United Airlines
Wed 3/251:25 pm
LHR
-
FNT
2 stops31h 37m
United Airlines
Deal found 2/1$644
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:55 pm
FNT
-
LHR
2 stops33h 35m
United Airlines
Fri 4/178:40 am
LHR
-
FNT
2 stops35h 28m
United Airlines
Deal found 2/3$650
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:29 am
FNT
-
LHR
1 stop20h 16m
United Airlines
Wed 9/27:25 am
LHR
-
FNT
2 stops19h 28m
United Airlines
Deal found 2/1$656
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:41 pm
FNT
-
LHR
1 stop30h 04m
United Airlines
Tue 9/17:25 am
LHR
-
FNT
2 stops16h 23m
United Airlines
Deal found 2/1$662
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:15 am
FNT
-
LHR
2 stops23h 35m
United Airlines
Thu 3/267:40 am
LHR
-
FNT
1 stop18h 49m
United Airlines
Deal found 2/3$667

Find flight deals from Flint to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$644
(United Airlines)

One-way from

$441
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$840
Provider with most accurate pricing for Flint Bishop-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-London Heathrow flights.
Search Deals
From Flint Bishop to London Heathrow
Search Deals
One-way flight from Flint Bishop to London Heathrow
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($399 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Flint to London Heathrow Airport that are best for you.

Fly from

Flint

Fly to

Heathrow

Route

Depart

Return

Price

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Sun 4/5

3:55 pm-6:30 am

2 stops33h 35m

London Heathrow

Fri 4/17

8:40 am-3:08 pm

2 stops35h 28m

$650

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Thu 3/19

7:15 am-10:50 am

2 stops23h 35m

London Heathrow

Thu 3/26

8:00 am-10:29 pm

2 stops18h 29m

$667

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Fri 4/3

7:35 pm-12:15 pm

1 stop11h 40m

London Heathrow

Wed 4/15

7:30 pm-7:02 pm

2 stops28h 32m

$699

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Wed 4/1

3:55 pm-11:45 am

1 stop14h 50m

London Heathrow

Sun 4/12

6:50 am-10:43 pm

2 stops20h 53m

$699

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Fri 3/20

3:30 pm-11:05 am

2 stops15h 35m

London Heathrow

Fri 3/27

9:10 am-10:29 pm

2 stops17h 19m

$700

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Sat 3/28

5:46 pm-5:45 am

1 stop31h 59m

London Heathrow

Sun 4/5

6:50 am-10:43 pm

2 stops20h 53m

$701

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Tue 6/23

3:36 pm-11:45 am

1 stop15h 09m

$441

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Sun 2/8

1:40 pm-8:15 am

1 stop13h 35m

$448

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Thu 3/12

5:46 pm-8:35 pm

2 stops22h 49m

$499

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Thu 3/12

5:46 pm-11:15 am

1 stop13h 29m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 11 results
1
2

Compare providers for flights from Flint to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flint to Heathrow in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flint-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flint-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flint-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Flint to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Flint with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Flint to London Heathrow Airport

What is the cheapest month to book a flight from Flint to London Heathrow Airport?

Currently, December is the cheapest month in which you can book a flight from Flint to London Heathrow Airport (average of $329). Flying from Flint to London Heathrow Airport in June is currently the most expensive (average of $678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated February 3, 2026.
Read through reviews of airlines operating flights from Flint to London Heathrow Airport, such as United Airlines, American Airlines, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,216 reviews
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,712 reviews
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Flint to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Flint to London Heathrow?

    Most people fly from Flint Bishop (FNT) if they book a flight from Flint to London Heathrow. On average, Bishop has 0 outbound flights to London Heathrow per day from 3 airlines. Flint Bishop is conveniently located just 4.3 mi from Flint’s city center.

  • How long is the flight from Flint to London Heathrow Airport?

    United Airlines can get you from Flint to London Heathrow Airport in just under 33h 35m. Your travel time can differ by up to . Airlines will cover a distance of 3735 mi.

  • What are the cheapest airlines flying from Flint to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Flint to London Heathrow Airport round-trip from $588. Other airlines that can offer you cheap pricing are American Airlines, from $650, and United Airlines, from $692. These flights start at 35% lower than the current average price 3 months from now.

  • Can I find deals for flights from Flint to Heathrow that include hotel bookings?

    Yes. In addition to deals on Flint to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flint to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flint to Heathrow.

  • Can I find deals for business class flights from Flint to Heathrow?

    Yes. Cheapflights offers flight deals from Flint to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Flint to London Heathrow Airport?

    Currently, December is the cheapest month in which you can book a flight from Flint to London Heathrow Airport (average of $329). Flying from Flint to London Heathrow Airport in June is currently the most expensive (average of $678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Flint to Heathrow

Discover the top 3 airlines that operate flights from Flint to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$588Average$789FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$650Average$929FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$692Average$849FlexibilityNo cancel feeOn-time69%

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