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Heathrow

$735+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — LHR
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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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 agosto 21, 2025.

Round-trip from

$735
(oojo)

Popular in

June

Cheapest in

February

Average price

$825
From Flint Bishop to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 agosto 21, 2025.

This oojo deal was found by Cheapflights users on 8/21. 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.
mar. 10/148:08 pmFNT - LHR
1 stop29h 42mBritish Airways
mar. 4/144:10 pmLHR - FNT
2 stops37h 01mBritish Airways
Deal found 8/21$735
This United Airlines deal was found by Cheapflights users on 8/21. 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.
mié. 10/87:00 amFNT - LHR
1 stop18h 20mUnited Airlines
vie. 10/311:25 pmLHR - FNT
2 stops37h 05mUnited Airlines
Deal found 8/21$737
This United Airlines deal was found by Cheapflights users on 8/21. 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.
lun. 10/62:05 pmFNT - LHR
2 stops14h 30mUnited Airlines
vie. 10/316:35 amLHR - FNT
2 stops19h 55mUnited Airlines
Deal found 8/21$745
This United Airlines deal was found by Cheapflights users on 8/21. 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.
mar. 10/77:00 amFNT - LHR
2 stops18h 55mUnited Airlines
jue. 10/306:35 amLHR - FNT
2 stops19h 55mUnited Airlines
Deal found 8/21$750
This United Airlines deal was found by Cheapflights users on 8/21. 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.
mié. 10/84:43 pmFNT - LHR
2 stops14h 07mUnited Airlines
jue. 10/306:35 amLHR - FNT
2 stops19h 55mUnited Airlines
Deal found 8/21$752
This American Airlines deal was found by Cheapflights users on 8/21. 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.
mié. 10/810:53 amFNT - LHR
1 stop19h 12mAmerican Airlines
vie. 10/313:45 pmLHR - FNT
1 stop22h 37mAmerican Airlines
Deal found 8/21$756
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/144:43 pmFNT - LHR
2 stops12h 57mUnited Airlines
mar. 4/146:50 amLHR - FNT
2 stops20h 03mUnited Airlines
Deal found 8/21$758
This United Airlines deal was found by Cheapflights users on 8/21. 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.
lun. 10/64:43 pmFNT - LHR
1 stop14h 02mUnited Airlines
lun. 10/1311:05 amLHR - FNT
2 stops34h 03mUnited Airlines
Deal found 8/21$763

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 agosto 21, 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

mar. 10/14

8:08 pm-6:50 am

1 stop29h 42m

London Heathrow

mar. 4/14

4:10 pm-12:11 am

2 stops37h 01m

$735

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

mié. 10/8

2:05 pm-6:20 am

1 stop11h 15m

London Heathrow

vie. 10/31

1:25 pm-10:30 pm

2 stops37h 05m

$737

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

lun. 10/6

2:05 pm-9:35 am

2 stops14h 30m

London Heathrow

mié. 10/29

6:35 am-10:30 pm

2 stops19h 55m

$745

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

lun. 10/6

2:05 pm-9:35 am

2 stops14h 30m

London Heathrow

vie. 10/31

6:35 am-10:30 pm

2 stops19h 55m

$745

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

mar. 10/7

2:05 pm-6:20 am

1 stop11h 15m

London Heathrow

vie. 10/31

6:35 am-10:30 pm

2 stops19h 55m

$745

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

lun. 10/6

4:43 pm-8:20 am

1 stop10h 37m

London Heathrow

jue. 10/30

6:35 am-10:30 pm

2 stops19h 55m

$745

FlintLondon

FNT - LHR

FNTLHR

Flint Bishop

mié. 10/8

7:00 am-6:20 am

1 stop18h 20m

London Heathrow

jue. 10/30

6:35 am-10:30 pm

2 stops19h 55m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

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 agosto 21, 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 agosto 21, 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
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
7,291 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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 15m. Fly via British Airways or United 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
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Stratford-upon-Avon
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Bedford
Folkestone
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Flint to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$692Average$825FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$696Average$840FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$697Average$988FlexibilityNo cancel feeOn-time71%

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