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Cheap flights from London to Fort Smith from £649

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.
LON — FSM
26 Aug — 2 Sep1
1 adult

Cheap flight deals from London to Fort Smith

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 21 August 2025.

Round-trip from

£649
American Airlines
  • American Airlines
  • 8/11-12/11
  • 4 total stops
  • 42h 05m total
  • London to Fort Smith
Search Deals

Find flight deals from London to Fort Smith

Cheapest flights from London to Fort Smith
Explore the most affordable flight options available from London to Fort Smith. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Sat 8/1108:35LHR - FSM
2 stops19h 55mAmerican Airlines
Wed 12/1106:00FSM - LHR
2 stops22h 10mAmerican Airlines
Deal found 19/8£649
Mon 8/909:15LHR - FSM
2 stops14h 37mAmerican Airlines
Thu 18/915:20FSM - LHR
1 stop11h 40mAmerican Airlines
Deal found 20/8£677
Mon 8/909:45LHR - FSM
2 stops18h 33mAmerican Airlines
Mon 22/915:20FSM - LHR
1 stop13h 30mAmerican Airlines
Deal found 19/8£678
Sat 6/910:30LHR - FSM
1 stop13h 22mAmerican Airlines
Thu 18/915:20FSM - LHR
1 stop11h 40mAmerican Airlines
Deal found 20/8£707
Sat 6/908:20LHR - FSM
1 stop15h 32mAmerican Airlines
Tue 16/915:20FSM - LHR
1 stop11h 40mAmerican Airlines
Deal found 19/8£709
Tue 9/912:30LHR - FSM
2 stops15h 48mAmerican Airlines
Fri 19/918:32FSM - LHR
1 stop13h 53mAmerican Airlines
Deal found 20/8£734

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 21 August 2025.
Use the filters below to find and compare flights from London to Fort Smith that are best for you.

Fly from

London

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

06:00-10:10

2 stops22h 10m

£649

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Wed 10/9

10:30-17:52

1 stop13h 22m

Fort Smith

Wed 17/9

18:32-14:25

1 stop13h 53m

£677

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Tue 9/9

12:15-22:18

2 stops16h 03m

Fort Smith

Tue 16/9

10:20-06:25

1 stop14h 05m

£677

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Wed 10/9

10:30-17:52

1 stop13h 22m

Fort Smith

Thu 18/9

15:20-09:00

1 stop11h 40m

£677

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Mon 8/9

10:05-22:18

2 stops18h 13m

Fort Smith

Mon 22/9

18:32-14:25

1 stop13h 53m

£677

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Tue 9/9

12:15-22:18

2 stops16h 03m

Fort Smith

Wed 17/9

18:32-12:45

1 stop12h 13m

£677

LondonFort Smith

LHR - FSM

LHRFSM

London Heathrow

Tue 9/9

10:30-17:52

1 stop13h 22m

Fort Smith

Thu 18/9

18:24-14:25

1 stop14h 01m

£677

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Best time to book a flight from London to Fort Smith

Have a flexible travel schedule? Discover the best time to fly to Fort Smith from London 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 to Fort Smith

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

Find hourly flight availability from London 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 21 August 2025.

A simple way to save on the total cost of your ticket is to fly from London to Fort Smith in the morning. If you’re flexible enough to do this you can expect to save up to 15% 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 21 August 2025.
Check out reviews from past customers who have flown with Finnair from London to Fort Smith to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,320 reviews
Check prices

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

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
1,320 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

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 London 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?

    Fort Smith (FSM) is the airport you will fly into if you book a flight from London to Fort Smith. You should not have trouble finding flights to Fort Smith from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Fort Smith airport from London. It is only a 3.8 mi journey from Fort Smith (FSM) to Fort Smith’s city center.

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

    A quick flight from London to Fort Smith can take about 19h 55m. American Airlines provides one of the quickest options available for as low as £649. The distance from London to Fort Smith is about 4509 mi.

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

    Cheapflights users have booked flights from London to Fort Smith round-trip from £526.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London to Fort Smith

Discover the top airline that operate flights from London 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 21 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£526Average£677FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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 London 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 London today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Fort Smith.

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

Certainly. Search results for flights to Fort Smith from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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