HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$718+ Cheap flights from Flint, MI (FNT) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LHR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Flint to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 15, 2025.

Round-trip from

$718
(British Airways)

Popular in

June

Cheapest in

February

Average price

$988
From Flint Bishop to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:33 pmFNT - LHR
1 stop16h 42mBritish Airways
Tue 10/79:15 amLHR - FNT
1 stop15h 23mBritish Airways
Deal found 9/15$718
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/292:15 pmFNT - LHR
1 stop17h 00mUnited Airlines
Wed 11/51:25 pmLHR - FNT
2 stops38h 05mUnited Airlines
Deal found 9/14$728
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:33 pmFNT - LHR
1 stop11h 17mAmerican Airlines
Tue 10/79:15 amLHR - FNT
1 stop15h 23mAmerican Airlines
Deal found 9/15$732
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/297:00 amFNT - LHR
1 stop18h 55mUnited Airlines
Fri 11/76:35 amLHR - FNT
2 stops20h 55mUnited Airlines
Deal found 9/14$736
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/292:15 pmFNT - LHR
1 stop11h 40mUnited Airlines
Tue 11/118:30 amLHR - FNT
2 stops19h 00mUnited Airlines
Deal found 9/14$739
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/294:42 pmFNT - LHR
2 stops14h 08mUnited Airlines
Thu 11/66:35 amLHR - FNT
2 stops20h 55mUnited Airlines
Deal found 9/14$741
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/134:43 pmFNT - LHR
1 stop14h 02mUnited Airlines
Mon 10/205:50 pmLHR - FNT
2 stops27h 18mUnited Airlines
Deal found 9/15$754
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:33 pmFNT - LHR
2 stops20h 42mBritish Airways
Tue 10/79:15 amLHR - FNT
1 stop15h 23mBritish Airways
Deal found 9/15$757

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 September 15, 2025.
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

Fri 10/3

2:33 pm-12:15 pm

1 stop16h 42m

London Heathrow

Tue 10/7

9:15 am-7:38 pm

1 stop15h 23m

$718

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Wed 10/29

2:15 pm-11:15 am

1 stop17h 00m

London Heathrow

Wed 11/5

1:25 pm-10:30 pm

2 stops38h 05m

$728

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Tue 9/30

2:33 pm-6:50 am

1 stop11h 17m

London Heathrow

Tue 10/7

9:15 am-7:38 pm

1 stop15h 23m

$732

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Wed 2/4

1:45 pm-6:35 am

2 stops11h 50m

London Heathrow

Thu 3/19

9:55 am-10:36 pm

2 stops16h 41m

$736

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Wed 10/29

7:00 am-5:55 am

1 stop18h 55m

London Heathrow

Fri 11/7

6:35 am-10:30 pm

2 stops20h 55m

$736

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Wed 10/29

4:42 pm-7:55 am

1 stop11h 13m

London Heathrow

Thu 11/6

6:35 am-10:30 pm

2 stops20h 55m

$736

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Tue 11/4

2:15 pm-9:10 am

2 stops13h 55m

London Heathrow

Tue 11/11

6:30 am-10:30 pm

2 stops21h 00m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, Michigan to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Flint, Michigan to London Heathrow Airport (average of $661). Flying from Flint, Michigan to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

What is the cheapest time of day to fly from FNT to LHR?

Find hourly flight availability from Flint to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Flint, Michigan to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at noon.

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 September 15, 2025.
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
8,929 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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, Michigan to London Heathrow Airport?

    There are many flights that can get you from Flint, Michigan to London Heathrow Airport in 11h 17m. Fly via British Airways, United Airlines, or American Airlines to get the fastest option. Flint, Michigan and London Heathrow Airport are separated by a distance of 3735 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $692, United Airlines will fly you from Flint, Michigan to London Heathrow Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from $696 and $697, respectively. United Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, Michigan to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Flint, Michigan to London Heathrow Airport (average of $661). Flying from Flint, Michigan to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

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.

Alternative routes for Flint to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
Detroit to Heathrow flights
Midway to Heathrow flights
O'Hare Intl to Stansted flights
O'Hare Intl to Luton flights
Detroit to Gatwick flights
Detroit to London City flights
Midway to Gatwick flights
Grand Rapids to Heathrow flights
Detroit to Stansted flights
Detroit to Luton flights
Grand Rapids to London City flights
Lansing to Heathrow flights
South Bend to Heathrow flights
Grand Rapids to Gatwick flights
Traverse City to Heathrow flights
Midway to London City flights
Flint to London City flights
Traverse City to London City flights
Kalamazoo to Heathrow flights
Bay City to Heathrow flights
Marquette to Heathrow flights
Midway to Stansted flights
Escanaba to Heathrow flights
Traverse City to Gatwick flights
Kalamazoo to Gatwick flights
Muskegon to Heathrow flights
Midway to Luton flights
Traverse City to Southend flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$692Average$825FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$696Average$849FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$697Average$988FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.