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Cheap flights from London to Fort Smith from £943

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Fort Smith departing on 7/6. 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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Multiple Airlines Logo
LON
-
FSM
4521 mimulti-stop
Multiple Airlines Logo
FSM
-
LON
4521 mimulti-stop
Multiple Airlines

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 17 February 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

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Sun 7/6

12:55-23:57

1 stop17h 02m

£943

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 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 Finnair are the top three most popular airlines that fly to Fort Smith from London according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Fort Smith. Keep in mind that there are 4 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 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

14h 04m

Direct flights

None
The fastest flight from London to Fort Smith takes 14h 04m
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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  • 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 14h 04m.

  • 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.

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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