Cheap Flights from Flint to London Heathrow from $1,509

Compare Flint to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Flint to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Flint Airport to London Heathrow Airport? If you want to travel next month, return fares start from $1,630. Find the lowest prices on one-way and return tickets right here.

London.$1,509 per passenger.Departing Mon, 1 Mar, returning Tue, 16 Mar.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from Flint on Mon, 1 Mar, arriving in London Heathrow.Inbound indirect flight with Brussels Airlines, departs from London Heathrow on Tue, 16 Mar, arriving in Flint.Price includes taxes and charges.From $1,509, select.

London.$1,601 per passenger.Departing Wed, 23 Sep, returning Sat, 10 Oct.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from Flint on Wed, 23 Sep, arriving in London Heathrow.Inbound indirect flight with Brussels Airlines, departs from London Heathrow on Sat, 10 Oct, arriving in Flint.Price includes taxes and charges.From $1,601, select.

London.$1,605 per passenger.Departing Thu, 29 Oct, returning Wed, 11 Nov.Return flight with United.Outbound indirect flight with United, departs from Flint on Thu, 29 Oct, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Wed, 11 Nov, arriving in Flint.Price includes taxes and charges.From $1,605, select.

London.$1,630 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from Flint on Wed, 19 Aug, arriving in London Heathrow.Inbound indirect flight with Brussels Airlines, departs from London Heathrow on Wed, 26 Aug, arriving in Flint.Price includes taxes and charges.From $1,630, select.

London.$1,644 per passenger.Departing Mon, 21 Sep, returning Sun, 27 Sep.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from Flint on Mon, 21 Sep, arriving in London Heathrow.Inbound indirect flight with Brussels Airlines, departs from London Heathrow on Sun, 27 Sep, arriving in Flint.Price includes taxes and charges.From $1,644, select.

London.$1,657 per passenger.Departing Thu, 26 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from Flint on Thu, 26 Nov, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Tue, 1 Dec, arriving in Flint.Price includes taxes and charges.From $1,657, select.

London.$1,678 per passenger.Departing Thu, 13 May, returning Fri, 21 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Flint on Thu, 13 May, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Fri, 21 May, arriving in Flint.Price includes taxes and charges.From $1,678, select.

London.$1,689 per passenger.Departing Fri, 9 Oct, returning Sun, 18 Oct.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Flint on Fri, 9 Oct, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Sun, 18 Oct, arriving in Flint.Price includes taxes and charges.From $1,689, select.

London.$1,800 per passenger.Departing Mon, 27 Jul, returning Fri, 21 Aug.Return flight with United.Outbound indirect flight with United, departs from Flint on Mon, 27 Jul, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Fri, 21 Aug, arriving in Flint.Price includes taxes and charges.From $1,800, select.

London.$1,823 per passenger.Departing Sat, 19 Sep, returning Sat, 12 Dec.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Flint on Sat, 19 Sep, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Sat, 12 Dec, arriving in Flint.Price includes taxes and charges.From $1,823, select.

London.$2,335 per passenger.Departing Wed, 15 Jul, returning Sun, 19 Jul.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from Flint on Wed, 15 Jul, arriving in London Heathrow.Inbound indirect flight with Brussels Airlines, departs from London Heathrow on Sun, 19 Jul, arriving in Flint.Price includes taxes and charges.From $2,335, select.

London.$2,566 per passenger.Departing Sat, 19 Dec, returning Wed, 30 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Flint on Sat, 19 Dec, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Wed, 30 Dec, arriving in Flint.Price includes taxes and charges.From $2,566, select.

London.$3,132 per passenger.Departing Wed, 23 Dec, returning Sun, 3 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Flint on Wed, 23 Dec, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Sun, 3 Jan, arriving in Flint.Price includes taxes and charges.From $3,132, select.

Find the cheapest month to fly from Flint to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Flint to London Heathrow flights are currently cheapest in March.

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Flint to London Heathrow: Alternative routes

Compare routes from Flint to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Flint to London: Flight information

The things to know before you go.

Cheapest flight found	$1,509
Cheapest month to fly	March

Finding cheap flights from Flint to London Heathrow: Frequently asked questions

How much are return flights from Flint to London Heathrow?

The best price we found for a return flight from Flint to London Heathrow is $1,509. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Flint to London Heathrow?

Currently, there are no airlines that fly direct from Flint to London Heathrow. But we found flights with one or more stops from $1,509.

How many flights are there a week from Flint to London Heathrow?

As of July 2026, there are no flights flying from Flint to London Heathrow.

When is the cheapest time to fly from Flint to London Heathrow?

The cheapest month to fly from Flint to London Heathrow is usually March.

Which upcoming date is cheapest to fly from Flint Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Flint Airport to London Heathrow Airport on Monday, 1 March 2027.

Can I get a direct flight from Flint Airport to London Heathrow Airport?

No airlines currently offer direct flights between Flint Airport and London Heathrow Airport. Most routes have one or more stops.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Flint Airport to London Heathrow with?

Currently, United offers the cheapest flight tickets to London Heathrow.

Travelling from Flint Airport (FNT) to London Heathrow Airport (LHR): what you need to know

The timezone in London is UTC+0, which is five hours ahead of Flint.
To ensure you catch your FNT to LHR flight, leave plenty of time to check in and drop off your luggage. Arriving two hours before international departures and one hour before domestic flights is the general rule.
Travelling during a peak time like April? School holidays and other popular seasons can lead to longer lines at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.
Think about adding a stopover when booking your ticket from Flint Airport to London Heathrow Airport. Just uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between FNT and LHR:
- Chicago O'Hare International Airport
- Harry Reid International Airport
- Nashville Airport

How to find the cheapest flights from Flint Airport (FNT) to London Heathrow Airport (LHR)

$575 is the best price for a one-way Flint Airport to London Heathrow Airport flight. A return flight starts from $1,509. These prices can change based on demand and availability.
To score cheap tickets from FNT to LHR, book in advance. Airlines generally offer their most competitively priced fares when flights are first made available.
If you're willing to be flexible with your travel plans, try using the 'Whole month' search function. It'll show you the cheapest price in each month when looking for a flight from Flint Airport to London Heathrow Airport.
There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll update you the moment the price changes on cheap flights from FNT to LHR.
Select your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Flint Airport to London Heathrow Airport.

Handy information about Flint Airport (FNT)

FNT is located at G-3425 West Bristol Road.
Of all flights leaving Flint Airport, 68% touch down on time at their destination.
To reach Flint Airport from central Flint, it'll take about 20 minutes if you're going by car. Of course, this depends on traffic. It's approximately 16 kilometres from the airport to the city centre.
Catching public transport? Expect a trip time of around 50 minutes.
Looking for a convenient hotel close to FNT? If you're catching an early flight from Flint Airport to London Heathrow Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

Consider staying in a hotel near LHR if you're on a late Flint Airport to London Heathrow Airport flight. Choose one of these accommodation options and skip the long transfer:
Travel at your own speed with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and see more of London and beyond.
Lock in the best deal by reserving your ride from London Heathrow Airport around one week before your travel date.

When to fly to London Heathrow Airport (LHR)

July is the busiest month for flights from Flint Airport to London Heathrow Airport. To escape the crowds, go to London in March.
Book your flight from Flint Airport to London Heathrow Airport for July if you want to visit London during its warmest month. You can expect temperatures of between 11ºC and 26ºC.
January sees average temperatures of between 0ºC and 9ºC. Search for cheap tickets from FNT to LHR sometime around then if you want to travel when it's cooler.

Explore more of the United Kingdom

You've seen London, now it's time to explore other parts of the United Kingdom. Journey around 257 kilometres north-west to Manchester to check off its top sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, there's plenty to keep you on the go.
Birmingham is another must-experience destination in the United Kingdom and is around 161 kilometres north-west of London. No journey is complete without dropping by Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.