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$674+ Cheap flights from Fort Smith (FSM) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — LON
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Fort Smith to London

Cheapest flights from Fort Smith to London
Explore the most affordable flight options available from Fort Smith to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:13 pmFSM - LHR
1 stop12h 02mAmerican Airlines
Sun 12/144:30 pmLHR - FSM
1 stop13h 20mAmerican Airlines
Deal found 10/16$674
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:18 amFSM - LHR
1 stop14h 07mAmerican Airlines
Mon 10/204:25 pmLHR - FSM
1 stop13h 23mAmerican Airlines
Deal found 10/15$749

Cheap flight deals from Fort Smith to London

Discover tips and strategies to find the most affordable flight options for your journey from Fort Smith (FSM) to London (LON). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$674
(American Airlines)
Provider with most accurate pricing for Fort Smith-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Smith-London (LON) flights.
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From Fort Smith to London (LON)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Smith to London 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 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Fort Smith to London that are best for you.

Fly from

Fort Smith

Fly to

London

Route

Depart

Return

Price

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sun 12/7

6:13 pm-12:15 pm

1 stop12h 02m

London Heathrow

Sun 12/14

4:30 pm-11:50 pm

1 stop13h 20m

$674

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Fri 3/27

6:41 pm-11:40 am

1 stop11h 59m

London Heathrow

Tue 3/31

1:20 pm-5:40 pm

2 stops34h 20m

$990

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

  • Most accurate provider: When it comes to deals on Fort Smith-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Fort Smith-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Fort Smith-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Fort Smith-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Fort Smith-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Fort Smith to London

Have a flexible travel schedule? Discover the best time to fly to London from Fort Smith with our price prediction graph.
Estimated round-trip 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 Fort Smith to London

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

Currently, October is the cheapest month in which you can book a flight from Fort Smith to London (average of $506). Flying from Fort Smith to London in June is currently the most expensive (average of $1,236). 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.

Related info for your journey

Find useful and relevant information for your journey from Fort Smith to London. 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 from for flights from Fort Smith to London?

    If you book a flight to London from Fort Smith, you will be flying from Fort Smith, which is the city’s only airport. Fort Smith (FSM) is located 3.8 mi from the center of Fort Smith. There are 0 flights from Fort Smith to London per day from 0 different airlines.

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

    For as low as $674, American Airlines can have you in London from Fort Smith in 12h 02m. Airlines will cover a distance of 4509 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Fort Smith to London (average of $506). Flying from Fort Smith to London in June is currently the most expensive (average of $1,236). 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

Traveling to a place near London?

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