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Cheap flights from London Heathrow Airport to Fort Smith from £887

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Fort Smith departing on 30/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Fort Smith

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
16:25 - 23:39
LHR
-
FSM
13h 14m
1 stop
American Airlines Logo
11:10 - 14:25
FSM
-
LHR
21h 15m
1 stop
£887American Airlines
Thu, 30 Apr - Thu, 7 May
American Airlines Logo
13:10 - 23:39
LHR
-
FSM
16h 29m
2 stops
American Airlines Logo
18:41 - 12:50
FSM
-
LHR
12h 09m
1 stop
£891American Airlines
Thu, 30 Apr - Thu, 7 May
American Airlines Logo
08:55 - 18:11
LHR
-
FSM
15h 16m
1 stop
American Airlines Logo
11:10 - 06:20
FSM
-
LHR
13h 10m
1 stop
£922American Airlines
Fri, 1 May - Fri, 8 May
American Airlines Logo
14:25 - 23:39
LHR
-
FSM
15h 14m
1 stop
American Airlines Logo
11:10 - 08:00
FSM
-
LHR
14h 50m
2 stops
£925American Airlines
Fri, 1 May - Fri, 8 May
American Airlines Logo
13:00 - 23:39
LHR
-
FSM
16h 39m
2 stops
American Airlines Logo
11:10 - 07:45
FSM
-
LHR
14h 35m
2 stops
£928American Airlines
Sat, 2 May - Sat, 9 May
American Airlines Logo
13:10 - 23:39
LHR
-
FSM
16h 29m
2 stops
American Airlines Logo
11:10 - 08:00
FSM
-
LHR
14h 50m
2 stops
£932American Airlines
Fri, 1 May - Fri, 8 May

American Airlines flights from London Heathrow Airport to Fort Smith

Our best American Airlines deals on London Heathrow Airport to Fort Smith flight tickets
American Airlines
30 Apr
LHR16:25London Heathrow
13h 14m
1 stop
FSM23:39Fort Smith
7 May
FSM11:10Fort Smith
21h 15m
1 stop
LHR14:25London Heathrow
£887
American Airlines
30 Apr
LHR13:10London Heathrow
16h 29m
2 stops
FSM23:39Fort Smith
7 May
FSM18:41Fort Smith
12h 09m
1 stop
LHR12:50London Heathrow
£891
American Airlines
1 May
LHR08:55London Heathrow
15h 16m
1 stop
FSM18:11Fort Smith
8 May
FSM11:10Fort Smith
13h 10m
1 stop
LHR06:20London Heathrow
£922

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Fort Smith 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, momondo users made 279,928 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Thu 30/4

16:25-23:39

1 stop13h 14m

Fort Smith

Thu 7/5

11:10-14:25

1 stop21h 15m

£887

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Thu 30/4

13:10-23:39

2 stops16h 29m

Fort Smith

Thu 7/5

18:41-12:50

1 stop12h 09m

£891
Fastest return journey

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Fri 1/5

08:55-18:11

1 stop15h 16m

Fort Smith

Fri 8/5

11:10-06:20

1 stop13h 10m

£922

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Fri 1/5

14:25-23:39

1 stop15h 14m

Fort Smith

Fri 8/5

11:10-08:00

2 stops14h 50m

£925

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Sat 2/5

13:00-23:39

2 stops16h 39m

Fort Smith

Sat 9/5

11:10-07:45

2 stops14h 35m

£928

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Fri 1/5

13:10-23:39

2 stops16h 29m

Fort Smith

Fri 8/5

11:10-08:00

2 stops14h 50m

£932

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Fort Smith from

How to get the cheapest flight ticket from London Heathrow Airport to Fort Smith

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Fort Smith?

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Fort Smith from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Fort Smith. Keep in mind that there are 3 different airlines that fly to Fort Smith on a routine basis, so you have a few additional options to choose from.

When to book flights from London Heathrow Airport to Fort Smith

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Fort Smith according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Fort Smith (LHR to FSM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Fort Smith

Fastest flight time

16h 44m

Direct flights

None
The fastest flight from London Heathrow Airport to Fort Smith takes 16h 44m
There are no direct flights from London Heathrow Airport to Fort Smith. There are no popular flight routes from London Heathrow Airport to Fort Smith.
Search flight deals

  • How far is London Heathrow to Fort Smith by plane?

    London Heathrow and Fort Smith are 4507.6 mi apart from one another. Flights usually cover this in 16h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Fort Smith Airport?

    Prices for flights from London Heathrow Airport to Fort Smith Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Fort Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Fort Smith Airport.

  • What documentation or ID do you need to fly to Fort Smith Airport?

    The travel and health documents you'll need for your trip to Fort Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Fort Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Fort Smith?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Fort Smith from London.

Can I find flights from London to Fort Smith with flexible booking policies on momondo?

Flights from London to Fort Smith with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Fort Smith?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Fort Smith.

I’m not ready to book a flight from London to Fort Smith right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Fort Smith flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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