HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$246+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LHR
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$629
(United Airlines)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,160
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. 12% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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 8/234:43 pmFNT - LHR
2 stops32h 47mUnited Airlines
Tue 9/22:05 pmLHR - FNT
2 stops28h 20mUnited Airlines
Deal found 6/17$629
This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:12 pmFNT - LHR
1 stop11h 03mBritish Airways
Mon 8/185:05 pmLHR - FNT
2 stops31h 30mBritish Airways
Deal found 6/16$688
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:15 amFNT - LHR
1 stop15h 35mMultiple Airlines
Fri 8/159:25 pmLHR - FNT
2 stops40h 49mMultiple Airlines
Deal found 6/16$1,196
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 6/1910:47 amFNT - LHR
2 stops16h 13mAmerican Airlines
Fri 6/2011:30 amLHR - FNT
2 stops18h 01mAmerican Airlines
Deal found 6/18$2,908

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 June 18, 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

Sat 8/23

4:43 pm-6:30 am

2 stops32h 47m

London Heathrow

Tue 9/2

2:05 pm-1:25 pm

2 stops28h 20m

$629

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Fri 8/15

8:12 pm-12:15 pm

1 stop11h 03m

London Heathrow

Mon 8/18

5:05 pm-7:35 pm

2 stops31h 30m

$688

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Mon 8/11

9:15 am-5:50 am

1 stop15h 35m

London Heathrow

Fri 8/15

9:25 pm-9:14 am

2 stops40h 49m

$1,196

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Mon 8/4

9:15 am-6:50 pm

2 stops28h 35m

$246

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

Sun 7/20

2:10 pm-11:25 am

2 stops16h 15m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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, November is the cheapest month in which you can book a flight from Flint to London Heathrow Airport (average of $661). Flying from Flint to London Heathrow Airport in June is currently the most expensive (average of $1,106). 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 June 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Flint 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 18, 2025.
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Overall

7.4

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
8,810 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Overall

7.4

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
6.6
Okay
7,031 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Overall

7.4

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.

  • 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 $629. Another airline that can offer you cheap pricing is British Airways. These flights start at 30% 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, November is the cheapest month in which you can book a flight from Flint to London Heathrow Airport (average of $661). Flying from Flint to London Heathrow Airport in June is currently the most expensive (average of $1,106). 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 Flint?

Book flights to Flint if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood
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
Detroit to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to Luton flights
Detroit to London City flights
Grand Rapids to Heathrow flights
Detroit to Stansted flights
Midway to Gatwick flights
South Bend to Heathrow flights
Detroit to Luton flights
Grand Rapids to London City flights
Lansing to Heathrow flights
Kalamazoo to Heathrow flights
Grand Rapids to Gatwick flights
Traverse City to Heathrow flights
Midway to London City flights
Bay City to Heathrow flights
Kalamazoo to Gatwick flights
Traverse City to London City flights
Traverse City to Gatwick flights
Midway to Stansted flights
Flint to London City flights
Midway to Luton flights
Muskegon to Heathrow flights
Marquette to Heathrow flights
Escanaba to Heathrow 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$696Average$849FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$705Average$849FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$801Average$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.