Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Fort Smith to London from $571

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Fort Smith to London departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Fort Smith to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:16 pm - 10:55 amFSM  Fort Smith-LHR London Heathrow
11h 39m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$962Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
American Airlines Logo
10:06 am - 2:25 pmFSM  Fort Smith-LHR London Heathrow
22h 19m1 stop Dallas/Fort Worth
American Airlines Logo
8:55 am - 4:43 pmLHR  London Heathrow-FSM Fort Smith
13h 48m1 stop Dallas/Fort Worth
$965American Airlines
Thu, Sep 24 - Thu, Oct 1
American Airlines Logo
10:06 am - 2:25 pmFSM  Fort Smith-LHR London Heathrow
22h 19m1 stop Dallas/Fort Worth
American Airlines Logo
2:10 pm - 11:57 pmLHR  London Heathrow-FSM Fort Smith
15h 47m2 stops New York John F Kennedy Intl Dallas/Fort Worth
$969American Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
10:06 am - 10:55 amFSM  Fort Smith-LHR London Heathrow
18h 49m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$1,004Multiple Airlines
Tue, Sep 22 - Wed, Sep 30
Multiple Airlines Logo
5:16 pm - 10:55 amFSM  Fort Smith-LHR London Heathrow
11h 39m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$1,012Multiple Airlines
Fri, Sep 18 - Wed, Sep 30
American Airlines Logo
10:11 am - 6:55 amFSM  Fort Smith-LHR London Heathrow
14h 44m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
11:55 am - 11:53 pmLHR  London Heathrow-FSM Fort Smith
17h 58m1 stop Dallas/Fort Worth
$1,016American Airlines
Sat, Sep 5 - Fri, Dec 4
British Airways Logo
5:16 pm - 10:55 amFSM  Fort Smith-LHR London Heathrow
11h 39m1 stop Dallas/Fort Worth
British Airways Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$1,019British Airways
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
5:16 pm - 10:55 amFSM  Fort Smith-LHR London Heathrow
11h 39m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$1,062Multiple Airlines
Fri, Sep 18 - Mon, Sep 28
Multiple Airlines Logo
10:06 am - 10:55 amFSM  Fort Smith-LHR London Heathrow
18h 49m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:55 pm - 10:35 pmLHR  London Heathrow-FSM Fort Smith
15h 40m1 stop Dallas/Fort Worth
$1,105Multiple Airlines
Thu, Sep 17 - Tue, Sep 29
American Airlines Logo
5:15 pm - 12:50 pmFSM  Fort Smith-LHR London Heathrow
13h 35m1 stop Dallas/Fort Worth
American Airlines Logo
11:55 am - 11:53 pmLHR  London Heathrow-FSM Fort Smith
17h 58m1 stop Dallas/Fort Worth
$1,106American Airlines
Sat, Sep 5 - Fri, Dec 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Fort Smith to London

Our best American Airlines deals on Fort Smith to London flight tickets
American Airlines
Sep 24
FSM10:06 amFort Smith
22h 19m
1 stop
LHR2:25 pmLondon Heathrow
Oct 1
LHR8:55 amLondon Heathrow
13h 48m
1 stop
FSM4:43 pmFort Smith
$965
American Airlines
Sep 24
FSM10:06 amFort Smith
22h 19m
1 stop
LHR2:25 pmLondon Heathrow
Oct 1
LHR2:10 pmLondon Heathrow
15h 47m
2 stops
FSM11:57 pmFort Smith
$969
American Airlines
Sep 5
FSM10:11 amFort Smith
14h 44m
2 stops
LHR6:55 amLondon Heathrow
Dec 4
LHR11:55 amLondon Heathrow
17h 58m
1 stop
FSM11:53 pmFort Smith
$1,016

British Airways flights from Fort Smith to London

Our best British Airways deals on Fort Smith to London flight tickets
British Airways
Sep 21
FSM5:16 pmFort Smith
11h 39m
1 stop
LHR10:55 amLondon Heathrow
Sep 30
LHR12:55 pmLondon Heathrow
15h 40m
1 stop
FSM10:35 pmFort Smith
$1,019
British Airways
Sep 21
FSM5:16 pmFort Smith
15h 09m
1 stop
LHR2:25 pmLondon Heathrow
Sep 30
LHR12:30 pmLondon Heathrow
16h 05m
2 stops
FSM10:35 pmFort Smith
$1,126

momondo 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Fort Smith to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Mon 9/21

5:16 pm-10:55 am

1 stop11h 39m

London Heathrow

Wed 9/30

12:55 pm-10:35 pm

1 stop15h 40m

$962

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Thu 9/24

10:06 am-2:25 pm

1 stop22h 19m

London Heathrow

Thu 10/1

8:55 am-4:43 pm

1 stop13h 48m

$965

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Thu 9/24

10:06 am-2:25 pm

1 stop22h 19m

London Heathrow

Thu 10/1

2:10 pm-11:57 pm

2 stops15h 47m

$969

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Tue 9/22

10:06 am-10:55 am

1 stop18h 49m

London Heathrow

Wed 9/30

12:55 pm-10:35 pm

1 stop15h 40m

$1,004

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Fri 9/18

5:16 pm-10:55 am

1 stop11h 39m

London Heathrow

Wed 9/30

12:55 pm-10:35 pm

1 stop15h 40m

$1,012

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 9/5

10:11 am-6:55 am

2 stops14h 44m

London Heathrow

Fri 12/4

11:55 am-11:53 pm

1 stop17h 58m

$1,016

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Mon 9/21

5:16 pm-10:55 am

1 stop11h 39m

London Heathrow

Wed 9/30

12:55 pm-10:35 pm

1 stop15h 40m

$1,019

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Fri 9/18

5:16 pm-10:55 am

1 stop11h 39m

London Heathrow

Mon 9/28

12:55 pm-10:35 pm

1 stop15h 40m

$1,062

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Thu 9/17

10:06 am-10:55 am

1 stop18h 49m

London Heathrow

Tue 9/29

12:55 pm-10:35 pm

1 stop15h 40m

$1,105

Fort SmithLondon

FSM Fort Smith - LHR London Heathrow

FSMLHR

Fort Smith

Sat 9/5

5:15 pm-12:50 pm

1 stop13h 35m

London Heathrow

Fri 12/4

11:55 am-11:53 pm

1 stop17h 58m

$1,106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Fort Smith to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Fort Smith to London?

American Airlines and British Airways are the most popular carriers operating from Fort Smith to London

What airlines fly to London?

American Airlines, British Airways and Delta are the top three most popular airlines that fly to London from Fort Smith according to our data. American Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Fort Smith to London

Are you open to changing your travel dates? Check out the ideal times to fly from Fort Smith to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Fort Smith to London (FSM to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Fort Smith to London

Fastest flight time

18h 49m

Direct flights

None
The fastest flight from Fort Smith to London takes 18h 49m
There are no direct flights from Fort Smith to London. There are no popular flight routes from Fort Smith to London.
Search flight deals

Frequently asked questions about flying from Fort Smith to London

  • How far is Fort Smith to London by plane?

    A flight from Fort Smith to London will travel around 4519.5 mi. Typically, this will take 18h 49m by plane in normal conditions.

  • When did momondo last update prices for flights from Fort Smith Airport to London?

    Prices for flights from Fort Smith Airport to London were last updated today.

  • How old do you have to be to fly from Fort Smith Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Fort Smith Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Fort Smith to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Fort Smith to London for you.

Can I find flights from Fort Smith to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Fort Smith which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Fort Smith to London?

momondo provides multiple filters to help you find the best flight to London from Fort Smith. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Fort Smith to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Fort Smith. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 9/11
Fri 9/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport