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Cheap flights from London Heathrow Airport to Fort Smith from £618

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FSM
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£618
American Airlines
  • American Airlines
  • 8/11-12/11
  • 4 total stops
  • 38h 25m total
  • London to Fort Smith
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Find flight deals from Heathrow to Fort Smith

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 18 September 2025.

Sat 8/1108:35LHR - FSM
2 stops19h 55mAmerican Airlines
Wed 12/1106:00FSM - LHR
2 stops18h 30mAmerican Airlines
Deal found 14/9£618

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 18 September 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

Sat 8/11

08:35-22:30

2 stops19h 55m

Fort Smith

Wed 12/11

06:00-06:30

2 stops18h 30m

£618

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 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 18 September 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 morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at midday.

Reviews of airlines servicing Fort Smith

Get insights into the airlines that provide service to Fort Smith. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fort Smith. Reviews last updated 18 September 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Fort Smith, such as Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,324 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,324 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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. 1 airline 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 55m. Airlines will cover a distance of 4509 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Fort Smith round-trip?

    Our cheapest airline available from London Heathrow Airport to Fort Smith is Finnair. Our recent data shows that you can find tickets from as low as £538 on this airline.

  • 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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Top airline flying from Heathrow to Fort Smith

Discover the top airline that operate flights from Heathrow to Fort Smith. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£538Average£694FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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.

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