HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$605+ Cheap flights from Fort Smith (FSM) to Heathrow (LHR)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — LHR
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fort Smith to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Fort Smith to Heathrow

Best flights from Fort Smith to Heathrow
Discover carefully curated flight deals from Fort Smith to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 2, 2025.

This British Airways deal was found by Cheapflights users on 11/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/146:27 pmFSM - LHR
1 stop11h 48mMultiple Airlines
Wed 1/213:00 pmLHR - FSM
1 stop25h 04mMultiple Airlines
Deal found 11/30$605
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 1/236:21 amFSM - LHR
1 stop18h 29mAmerican Airlines
Wed 1/283:00 pmLHR - FSM
1 stop13h 46mAmerican Airlines
Deal found 12/1$655
This British Airways deal was found by Cheapflights users on 11/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2310:34 amFSM - LHR
1 stop19h 41mMultiple Airlines
Wed 1/283:00 pmLHR - FSM
1 stop25h 04mMultiple Airlines
Deal found 11/30$630
This American Airlines deal was found by Cheapflights users on 11/30. 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.
Wed 1/1410:34 amFSM - LHR
1 stop19h 41mAmerican Airlines
Wed 1/2112:10 pmLHR - FSM
2 stops16h 36mAmerican Airlines
Deal found 11/30$659
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Sat 1/1010:34 amFSM - LHR
2 stops13h 56mAmerican Airlines
Mon 1/1912:10 pmLHR - FSM
2 stops16h 36mAmerican Airlines
Deal found 12/1$659
This American Airlines deal was found by Cheapflights users on 11/30. 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.
Sat 5/26:43 pmFSM - LHR
1 stop11h 27mAmerican Airlines
Sat 5/910:05 amLHR - FSM
1 stop13h 38mAmerican Airlines
Deal found 11/30$721

Find flight deals from Fort Smith to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Fort Smith (FSM) to Heathrow (LHR). 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 December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$605
(British Airways)
Provider with most accurate pricing for Fort Smith-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Smith-London Heathrow flights.
Search Deals
From Fort Smith to London Heathrow
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Smith to Heathrow 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 December 2, 2025.
Use the filters below to find and compare flights from Fort Smith to London Heathrow Airport that are best for you.

Fly from

Fort Smith

Fly to

Heathrow

Route

Depart

Return

Price

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Wed 1/14

6:27 pm-12:15 pm

1 stop11h 48m

London Heathrow

Wed 1/21

3:00 pm-10:04 am

1 stop25h 04m

$605

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Fri 1/23

10:34 am-12:15 pm

1 stop19h 41m

London Heathrow

Wed 1/28

3:00 pm-10:04 am

1 stop25h 04m

$630

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Fri 1/23

6:21 am-6:50 am

1 stop18h 29m

London Heathrow

Wed 1/28

3:00 pm-10:46 pm

1 stop13h 46m

$655

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Wed 1/14

10:34 am-12:15 pm

1 stop19h 41m

London Heathrow

Wed 1/21

12:10 pm-10:46 pm

2 stops16h 36m

$659

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 1/10

10:34 am-6:30 am

2 stops13h 56m

London Heathrow

Mon 1/19

12:10 pm-10:46 pm

2 stops16h 36m

$659

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 5/2

6:43 pm-12:10 pm

1 stop11h 27m

London Heathrow

Sat 5/9

10:05 am-5:43 pm

1 stop13h 38m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Compare providers for flights from Fort Smith to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Fort Smith to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Fort Smith-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Fort Smith-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Fort Smith-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Fort Smith-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Heathrow Airport 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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from Fort Smith to London Heathrow Airport (average of $506). Flying from Fort Smith to London Heathrow Airport 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 Heathrow. 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 Heathrow?

    For a flight from Fort Smith to London Heathrow, you will be flying from Fort Smith. Fort Smith (FSM) is just 3.8 mi from the center of the city. Fort Smith is the only Fort Smith airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Fort Smith on a regular basis.

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

    American Airlines can get you from Fort Smith to London Heathrow Airport in just under 18h 29m. Your travel time can differ by up to . There are 4509 mi between Fort Smith and London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fort Smith to Heathrow 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 Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Fort Smith to London Heathrow Airport (average of $506). Flying from Fort Smith to London Heathrow Airport 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone

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.

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.