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Cheap flights from London to Fort Smith from £852

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Fort Smith departing on 26/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London to Fort Smith

Cheap return flights

Enter your travel dates to find the best prices.
Finnair Logo
09:15 - 22:35LHR  London Heathrow-FSM Fort Smith
19h 20m2 stops Philadelphia Dallas/Fort Worth
Finnair Logo
06:00 - 09:40FSM  Fort Smith-LHR London Heathrow
21h 40m2 stops Dallas/Fort Worth Montreal Pierre Elliott Trudeau Intl
£852Finnair
Sat, 26 Sep - Sat, 3 Oct
Finnair Logo
14:45 - 22:35LHR  London Heathrow-FSM Fort Smith
13h 50m1 stop Dallas/Fort Worth
Finnair Logo
17:16 - 09:40FSM  Fort Smith-LHR London Heathrow
34h 24m2 stops Dallas/Fort Worth Montreal Pierre Elliott Trudeau Intl
£852Finnair
Sat, 26 Sep - Sat, 3 Oct
Finnair Logo
14:45 - 22:35LHR  London Heathrow-FSM Fort Smith
13h 50m1 stop Dallas/Fort Worth
Finnair Logo
10:06 - 06:20FSM  Fort Smith-LHR London Heathrow
14h 14m1 stop Dallas/Fort Worth
£882Finnair
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
12:55 - 22:35LHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
Multiple Airlines Logo
06:00 - 10:55FSM  Fort Smith-LHR London Heathrow
22h 55m1 stop Dallas/Fort Worth
£1,051Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
American Airlines Logo
12:55 - 22:35LHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
American Airlines Logo
10:06 - 06:40FSM  Fort Smith-LHR London Heathrow
14h 34m2 stops Dallas/Fort Worth Houston George Bush Intcntl
£1,070American Airlines
Sat, 12 Sep - Sat, 19 Sep
American Airlines Logo
12:15 - 22:35LHR  London Heathrow-FSM Fort Smith
16h 20m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
10:06 - 06:40FSM  Fort Smith-LHR London Heathrow
14h 34m2 stops Dallas/Fort Worth Houston George Bush Intcntl
£1,145American Airlines
Sat, 12 Sep - Sat, 19 Sep

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Finnair flights from London to Fort Smith

Our best Finnair deals on London to Fort Smith flight tickets
Finnair
26 Sept
LHR14:45London Heathrow
13h 50m
1 stop
FSM22:35Fort Smith
3 Oct
FSM17:16Fort Smith
34h 24m
2 stops
LHR09:40London Heathrow
£852
Finnair
26 Sept
LHR14:45London Heathrow
13h 50m
1 stop
FSM22:35Fort Smith
3 Oct
FSM10:06Fort Smith
14h 14m
1 stop
LHR06:20London Heathrow
£882

American Airlines flights from London to Fort Smith

Our best American Airlines deals on London to Fort Smith flight tickets
American Airlines
12 Sept
LHR12:55London Heathrow
15h 40m
1 stop
FSM22:35Fort Smith
19 Sept
FSM10:06Fort Smith
14h 34m
2 stops
LHR06:40London Heathrow
£1,070
American Airlines
12 Sept
LHR12:15London Heathrow
16h 20m
2 stops
FSM22:35Fort Smith
19 Sept
FSM10:06Fort Smith
14h 34m
2 stops
LHR06:40London Heathrow
£1,145

momondo Fare Finder

 
Customise your flight search to find flights from London 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 16 August 2026.
Use the filters below to find and compare flights from London to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 26/9

09:15-22:35

2 stops19h 20m

Fort Smith

Sat 3/10

06:00-09:40

2 stops21h 40m

£852

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 26/9

14:45-22:35

1 stop13h 50m

Fort Smith

Sat 3/10

17:16-09:40

2 stops34h 24m

£852
Fastest return journey

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 26/9

14:45-22:35

1 stop13h 50m

Fort Smith

Sat 3/10

10:06-06:20

1 stop14h 14m

£882

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 12/9

12:55-22:35

1 stop15h 40m

Fort Smith

Sat 19/9

06:00-10:55

1 stop22h 55m

£1,051

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 12/9

12:55-22:35

1 stop15h 40m

Fort Smith

Sat 19/9

10:06-06:40

2 stops14h 34m

£1,070

LondonFort Smith

LHR London Heathrow - FSM Fort Smith

LHRFSM

London Heathrow

Sat 12/9

12:15-22:35

2 stops16h 20m

Fort Smith

Sat 19/9

10:06-06:40

2 stops14h 34m

£1,145

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from London to Fort Smith

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

Cheap London to Fort Smith (LON to FSM) flight deals and tips

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from London to Fort Smith takes 13h 50m
There are no direct flights from London to Fort Smith. There are no popular flight routes from London to Fort Smith.
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Frequently asked questions about flying from London to Fort Smith

  • How far is London to Fort Smith by plane?

    The distance between London and Fort Smith is about 4519.5 mi. In terms of flight time, this usually takes a little over 13h 50m.

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

    Prices for flights from London to Fort Smith Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Fort Smith Airport.

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

    The necessary travel and health documents for your Fort Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from London to Fort Smith

  • How do I get Price Alerts for flights from London to Fort Smith?

    Confirm your travel details to search for the latest offers for flights from London to Fort Smith. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from London to Fort Smith with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

Finding the right flight to Fort Smith from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Fort Smith quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Fort Smith from London with this policy.

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?

If you are simply researching potential flights to Fort Smith, momondo offers a useful price alert feature which will track prices for flights to Fort Smith from London and alert you when they change.

An easier way to manage your Fort Smith trip

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