Cheap flights from London Heathrow Airport to Fort Smith from £929

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FSM
4 Jan — 11 Jan1
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 5 December 2025.

Wed 31/1215:05LHR - FSM
2 stops24h 41mAmerican Airlines
Wed 7/110:34FSM - LHR
2 stops13h 56mAmerican Airlines
Deal found 3/12£1,039

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 5 December 2025.

Round-trip from

£706
American Airlines
  • American Airlines
  • 22/1-26/1
  • 3 total stops
  • 42h 49m total
  • London to Fort Smith

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 5 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Fort Smith that are best for you.

Fly from

Heathrow

Fly to

Fort Smith

Route

Depart

Return

Price

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Wed 31/12

15:05-09:46

2 stops24h 41m

Fort Smith

Wed 7/1

10:34-06:30

2 stops13h 56m

£1,039

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Sun 14/12

16:15-22:28

2 stops36h 13m

£929

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Mon 15/12

19:05-09:49

2 stops20h 44m

£961

Flights are sorted by cheapest return flights first.

Deals found on 2/12

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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Fort Smith

What is the cheapest month to book a flight from London Heathrow Airport to Fort Smith?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Fort Smith (average of £445). Flying from London Heathrow Airport to Fort Smith in December is currently the most expensive (average of £729). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to FSM?

Find hourly flight availability from Heathrow to Fort Smith. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Fort Smith in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

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 24h 41m. 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Fort Smith?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Fort Smith (average of £445). Flying from London Heathrow Airport to Fort Smith in December is currently the most expensive (average of £729). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Fort Smith from Heathrow today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.