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Cheap flights from Fort Smith to London from £676

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Fort Smith to London departing on 2/11. 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 Fort Smith to London

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:00 - 10:00FSM  Fort Smith-LHR London Heathrow
22h 00m1 stop Dallas/Fort Worth
American Airlines Logo
14:45 - 22:54LHR  London Heathrow-FSM Fort Smith
14h 09m1 stop Dallas/Fort Worth
£676American Airlines
Mon, 2 Nov - Thu, 28 Jan
American Airlines Logo
10:03 - 06:35FSM  Fort Smith-LHR London Heathrow
14h 32m2 stops Dallas/Fort Worth Philadelphia
American Airlines Logo
12:35 - 22:54LHR  London Heathrow-FSM Fort Smith
16h 19m2 stops Chicago O'Hare Intl Dallas/Fort Worth
£680American Airlines
Mon, 2 Nov - Thu, 28 Jan
American Airlines Logo
06:00 - 06:20FSM  Fort Smith-LHR London Heathrow
18h 20m1 stop Dallas/Fort Worth
American Airlines Logo
10:15 - 19:31LHR  London Heathrow-FSM Fort Smith
15h 16m1 stop Dallas/Fort Worth
£817American Airlines
Sat, 5 Sep - Fri, 4 Dec
American Airlines Logo
17:15 - 12:50FSM  Fort Smith-LHR London Heathrow
13h 35m1 stop Dallas/Fort Worth
American Airlines Logo
11:55 - 23:53LHR  London Heathrow-FSM Fort Smith
17h 58m1 stop Dallas/Fort Worth
£818American Airlines
Sat, 5 Sep - Fri, 4 Dec
American Airlines Logo
10:11 - 06:55FSM  Fort Smith-LHR London Heathrow
14h 44m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
11:55 - 23:53LHR  London Heathrow-FSM Fort Smith
17h 58m1 stop Dallas/Fort Worth
£821American Airlines
Sat, 5 Sep - Fri, 4 Dec
American Airlines Logo
17:15 - 14:25FSM  Fort Smith-LHR London Heathrow
15h 10m1 stop Dallas/Fort Worth
American Airlines Logo
16:25 - 23:57LHR  London Heathrow-FSM Fort Smith
13h 32m1 stop Dallas/Fort Worth
£855American Airlines
Thu, 27 Aug - Sun, 30 Aug
American Airlines Logo
10:11 - 06:55FSM  Fort Smith-LHR London Heathrow
14h 44m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
13:00 - 23:57LHR  London Heathrow-FSM Fort Smith
16h 57m2 stops Raleigh-Durham Dallas/Fort Worth
£858American Airlines
Thu, 27 Aug - Sun, 30 Aug
American Airlines Logo
10:11 - 06:55FSM  Fort Smith-LHR London Heathrow
14h 44m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
11:55 - 23:53LHR  London Heathrow-FSM Fort Smith
17h 58m1 stop Dallas/Fort Worth
£899American Airlines
Sat, 5 Sep - Fri, 4 Dec
Multiple Airlines Logo
10:11 - 18:25FSM  Fort Smith-LCY London City
26h 14m2 stops Dallas/Fort Worth Amsterdam Schiphol
Multiple Airlines Logo
06:45 - 22:22LCY  London City-FSM Fort Smith
21h 37m2 stops Dublin Dallas/Fort Worth
£1,879Multiple Airlines
Sat, 29 Aug - Tue, 1 Sep
Multiple Airlines Logo
20:02 - 06:50FSM  Fort Smith-LHR London Heathrow
28h 48m2 stops Dallas/Fort Worth Houston George Bush Intcntl
Multiple Airlines Logo
13:50 - 22:54LHR  London Heathrow-FSM Fort Smith
15h 04m1 stop Dallas/Fort Worth
£3,999Multiple Airlines
Mon, 2 Nov - Thu, 28 Jan

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American Airlines flights from Fort Smith to London

Our best American Airlines deals on Fort Smith to London flight tickets
American Airlines
2 Nov
FSM06:00Fort Smith
22h 00m
1 stop
LHR10:00London Heathrow
28 Jan
LHR14:45London Heathrow
14h 09m
1 stop
FSM22:54Fort Smith
£676
American Airlines
2 Nov
FSM10:03Fort Smith
14h 32m
2 stops
LHR06:35London Heathrow
28 Jan
LHR12:35London Heathrow
16h 19m
2 stops
FSM22:54Fort Smith
£680
American Airlines
5 Sept
FSM06:00Fort Smith
18h 20m
1 stop
LHR06:20London Heathrow
4 Dec
LHR10:15London Heathrow
15h 16m
1 stop
FSM19:31Fort Smith
£817

Finnair flights from Fort Smith to London

Our best Finnair deals on Fort Smith to London flight tickets
Finnair
2 Nov
FSM20:02Fort Smith
30h 13m
1 stop
LHR08:15London Heathrow
28 Jan
LHR14:45London Heathrow
14h 09m
1 stop
FSM22:54Fort Smith
£4,002
Finnair
30 Aug
FSM17:15Fort Smith
15h 10m
1 stop
LHR14:25London Heathrow
2 Sept
LHR12:55London Heathrow
15h 27m
1 stop
FSM22:22Fort Smith
£6,749

momondo Fare Finder

 
Customise your flight search to find flights from Fort Smith to London 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 17 August 2026.
Use the filters below to find and compare flights from Fort Smith to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Mon 2/11

06:00-10:00

1 stop22h 00m

London Heathrow

Thu 28/1

14:45-22:54

1 stop14h 09m

£676

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Mon 2/11

10:03-06:35

2 stops14h 32m

London Heathrow

Thu 28/1

12:35-22:54

2 stops16h 19m

£680

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 5/9

06:00-06:20

1 stop18h 20m

London Heathrow

Fri 4/12

10:15-19:31

1 stop15h 16m

£817

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 5/9

17:15-12:50

1 stop13h 35m

London Heathrow

Fri 4/12

11:55-23:53

1 stop17h 58m

£818

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 5/9

10:11-06:55

2 stops14h 44m

London Heathrow

Fri 4/12

11:55-23:53

1 stop17h 58m

£821
Fastest return journey

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Thu 27/8

17:15-14:25

1 stop15h 10m

London Heathrow

Sun 30/8

16:25-23:57

1 stop13h 32m

£855

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Thu 27/8

10:11-06:55

2 stops14h 44m

London Heathrow

Sun 30/8

13:00-23:57

2 stops16h 57m

£858

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 5/9

10:11-06:55

2 stops14h 44m

London Heathrow

Fri 4/12

11:55-23:53

1 stop17h 58m

£899

Fort SmithLondon

FSM Fort Smith - LCY London City

FSMLCY

Fort Smith

Sat 29/8

10:11-18:25

2 stops26h 14m

London City

Tue 1/9

06:45-22:22

2 stops21h 37m

£1,879

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Mon 2/11

20:02-06:50

2 stops28h 48m

London Heathrow

Thu 28/1

13:50-22:54

1 stop15h 04m

£3,999

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to London from

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

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 London?

United Airlines, Virgin Atlantic and Delta are the top three most popular airlines that fly to London from Fort Smith according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Fort Smith to London

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

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

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

Fastest flight time

18h 44m

Direct flights

None
The fastest flight from Fort Smith to London takes 18h 44m
There are no direct flights from Fort Smith to London. There are no popular flight routes from Fort Smith to London.
Search flight deals

Frequently asked questions about flying from Fort Smith to London

  • How far is Fort Smith to London by plane?

    The distance between Fort Smith and London is about 4519.5 mi. Typically, this will take 18h 44m by plane in normal conditions.

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

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

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

    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 Fort Smith Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London 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 London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

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

It is quick and easy to find Fort Smith to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

All flight searches from Fort Smith to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Fort Smith to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Fort Smith. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport