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Cheap flights from London Heathrow Airport to Fort Smith from £846

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FSM
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Fort Smith

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Fort Smith
Explore the most affordable flight options available from Heathrow to Fort Smith. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Mon 13/410:05
LHR
-
FSM
1 stop19h 34m
Iberia
Mon 27/418:41
FSM
-
LHR
1 stop13h 44m
Iberia
Deal found 10/3£846
Mon 13/409:45
LHR
-
FSM
2 stops19h 54m
Multiple Airlines
Mon 27/418:41
FSM
-
LHR
1 stop11h 29m
Multiple Airlines
Deal found 10/3£849
Mon 27/410:05
LHR
-
FSM
1 stop19h 34m
American Airlines
Mon 4/511:10
FSM
-
LHR
1 stop17h 45m
American Airlines
Deal found 13/3£864

Find flight deals from Heathrow to Fort Smith

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Fort Smith (FSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

£846
Iberia
  • Iberia
  • 13/4-27/4
  • 2 total stops
  • 33h 18m total
  • London to Fort Smith
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 13 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

Mon 13/4

10:05-23:39

1 stop19h 34m

Fort Smith

Mon 27/4

18:41-14:25

1 stop13h 44m

£846
Fastest return journey

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Mon 13/4

09:45-23:39

2 stops19h 54m

Fort Smith

Mon 27/4

18:41-12:10

1 stop11h 29m

£849

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Mon 27/4

10:05-23:39

1 stop19h 34m

Fort Smith

Mon 4/5

11:10-10:55

1 stop17h 45m

£864
Cheapest one-way

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Tue 21/7

08:15-23:57

2 stops21h 42m

£907

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Wed 22/7

06:15-23:57

2 stops23h 42m

£922

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Mon 27/7

14:25-16:44

1 stop32h 19m

£936

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Sun 26/7

08:15-23:57

2 stops21h 42m

£949
Fastest single journey

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Fri 24/7

08:55-16:44

1 stop13h 49m

£978

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Sorted by cheapest first

Best time to book a flight from Heathrow to Fort Smith

Have a flexible travel schedule? Discover the best time to fly to Fort Smith from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Fort Smith. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Fort Smith from London Heathrow?

    Fort Smith (FSM), located 3.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Fort Smith. 0 airlines have flights to Fort Smith from London Heathrow on a regular basis. Booking flights from London Heathrow to Fort Smith should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Fort Smith?

    Departing from London Heathrow Airport to Fort Smith will take you 19h 34m. Airlines will cover a distance of 4509 mi.

  • Can I find deals for flights from Heathrow to Fort Smith that include hotel bookings?

    Yes. In addition to deals on Heathrow to Fort Smith flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Fort Smith?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Fort Smith.

  • Can I find deals for business class flights from Heathrow to Fort Smith?

    Yes. Cheapflights offers flight deals from Heathrow to Fort Smith by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Heathrow to Fort Smith?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Fort Smith?

Cheapflights helps you find that perfect flight to Fort Smith from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Fort Smith with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Fort Smith, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Fort Smith become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Fort Smith from Heathrow today and book when prices fit your budget.

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