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Cheap flights from Fort Smith to London from $382

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 10/8. 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
5:15 pm - 10:55 am
FSM
-
LHR
11h 40m
1 stop
Multiple Airlines Logo
12:55 pm - 9:41 am
LHR
-
FSM
26h 46m
1 stop
$1,001Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
American Airlines Logo
10:11 am - 9:00 am
FSM
-
LHR
16h 49m
1 stop
American Airlines Logo
2:45 pm - 10:22 pm
LHR
-
FSM
13h 37m
1 stop
$1,008American Airlines
Thu, Aug 20 - Wed, Aug 26
American Airlines Logo
10:11 am - 6:55 am
FSM
-
LHR
14h 44m
2 stops
American Airlines Logo
12:30 pm - 10:22 pm
LHR
-
FSM
15h 52m
2 stops
$1,012American Airlines
Thu, Aug 20 - Wed, Aug 26
American Airlines Logo
10:11 am - 6:55 am
FSM
-
LHR
14h 44m
2 stops
American Airlines Logo
1:10 pm - 11:50 pm
LHR
-
FSM
16h 40m
2 stops
$1,013American Airlines
Sat, Sep 5 - Fri, Dec 4
American Airlines Logo
10:11 am - 12:50 pm
FSM
-
LHR
20h 39m
1 stop
American Airlines Logo
12:30 pm - 10:22 pm
LHR
-
FSM
15h 52m
2 stops
$1,014American Airlines
Fri, Aug 14 - Fri, Aug 21
American Airlines Logo
10:06 am - 12:50 pm
FSM
-
LHR
20h 44m
1 stop
American Airlines Logo
4:25 pm - 9:41 am
LHR
-
FSM
23h 16m
1 stop
$1,109American Airlines
Sat, Aug 1 - Tue, Aug 11
American Airlines Logo
10:06 am - 6:20 am
FSM
-
LHR
14h 14m
1 stop
American Airlines Logo
1:10 pm - 10:22 pm
LHR
-
FSM
15h 12m
2 stops
$1,114American Airlines
Sat, Aug 1 - Tue, Aug 11
American Airlines Logo
10:06 am - 6:20 am
FSM
-
LHR
14h 14m
1 stop
American Airlines Logo
4:25 pm - 9:41 am
LHR
-
FSM
23h 16m
1 stop
$1,428American Airlines
Sat, Jul 25 - Sat, Aug 8
American Airlines Logo
10:06 am - 9:00 am
FSM
-
LHR
16h 54m
1 stop
American Airlines Logo
11:10 am - 10:22 pm
LHR
-
FSM
17h 12m
2 stops
$1,433American Airlines
Sat, Jul 25 - Sat, Aug 8
American Airlines Logo
5:15 pm - 12:50 pm
FSM
-
LHR
13h 35m
1 stop
American Airlines Logo
2:25 pm - 11:57 pm
LHR
-
FSM
15h 32m
1 stop
$1,729American Airlines
Tue, Jul 14 - Fri, Jul 17

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American Airlines flights from Fort Smith to London Heathrow Airport

Our best American Airlines deals on Fort Smith to London Heathrow Airport flight tickets
American Airlines
Aug 20
FSM10:11 amFort Smith
16h 49m
1 stop
LHR9:00 amLondon Heathrow
Aug 26
LHR2:45 pmLondon Heathrow
13h 37m
1 stop
FSM10:22 pmFort Smith
$1,008
American Airlines
Aug 20
FSM6:00 amFort Smith
18h 20m
1 stop
LHR6:20 amLondon Heathrow
Aug 26
LHR11:10 amLondon Heathrow
17h 12m
2 stops
FSM10:22 pmFort Smith
$1,012
American Airlines
Sep 5
FSM10:11 amFort Smith
14h 44m
2 stops
LHR6:55 amLondon Heathrow
Dec 4
LHR1:10 pmLondon Heathrow
16h 40m
2 stops
FSM11:50 pmFort Smith
$1,013

Lufthansa flights from Fort Smith to London Heathrow Airport

Our best Lufthansa deals on Fort Smith to London Heathrow Airport flight tickets
Lufthansa
Aug 1
FSM10:06 amFort Smith
14h 39m
2 stops
LHR6:45 amLondon Heathrow
Aug 11
LHR6:30 amLondon Heathrow
21h 52m
2 stops
FSM10:22 pmFort Smith
$6,721
Lufthansa
Jul 25
FSM10:06 amFort Smith
14h 39m
2 stops
LHR6:45 amLondon Heathrow
Aug 8
LHR6:30 amLondon Heathrow
21h 52m
2 stops
FSM10:22 pmFort Smith
$6,722
Lufthansa
Jul 14
FSM10:06 amFort Smith
18h 34m
2 stops
LHR10:40 amLondon Heathrow
Jul 17
LHR6:30 amLondon Heathrow
19h 18m
2 stops
FSM7:48 pmFort Smith
$6,737

momondo Fare Finder

 
Customize your flight search to find flights from Fort Smith to London Heathrow Airport 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 July 2, 2026.
Use the filters below to find and compare flights from Fort Smith to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Fri 8/14

5:15 pm-10:55 am

1 stop11h 40m

London Heathrow

Fri 8/21

12:55 pm-9:41 am

1 stop26h 46m

$1,001

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Thu 8/20

10:11 am-9:00 am

1 stop16h 49m

London Heathrow

Wed 8/26

2:45 pm-10:22 pm

1 stop13h 37m

$1,008

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Thu 8/20

10:11 am-6:55 am

2 stops14h 44m

London Heathrow

Wed 8/26

12:30 pm-10:22 pm

2 stops15h 52m

$1,012

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 9/5

10:11 am-6:55 am

2 stops14h 44m

London Heathrow

Fri 12/4

1:10 pm-11:50 pm

2 stops16h 40m

$1,013

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Fri 8/14

10:11 am-12:50 pm

1 stop20h 39m

London Heathrow

Fri 8/21

12:30 pm-10:22 pm

2 stops15h 52m

$1,014

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 8/1

10:06 am-12:50 pm

1 stop20h 44m

London Heathrow

Tue 8/11

4:25 pm-9:41 am

1 stop23h 16m

$1,109

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 8/1

10:06 am-6:20 am

1 stop14h 14m

London Heathrow

Tue 8/11

1:10 pm-10:22 pm

2 stops15h 12m

$1,114

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 7/25

10:06 am-6:20 am

1 stop14h 14m

London Heathrow

Sat 8/8

4:25 pm-9:41 am

1 stop23h 16m

$1,428

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Sat 7/25

10:06 am-9:00 am

1 stop16h 54m

London Heathrow

Sat 8/8

11:10 am-10:22 pm

2 stops17h 12m

$1,433
Quickest round-trip

Fort SmithLondon

FSM - LHR

FSMLHR

Fort Smith

Tue 7/14

5:15 pm-12:50 pm

1 stop13h 35m

London Heathrow

Fri 7/17

2:25 pm-11:57 pm

1 stop15h 32m

$1,729

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to London from

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

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 Heathrow?

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

What airlines fly to London Heathrow Airport?

American Airlines, British Airways and Delta are the top three most popular airlines that fly to London Heathrow Airport from Fort Smith according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Fort Smith to London Heathrow Airport

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

Cheap Fort Smith to London Heathrow Airport (FSM to LHR) flight deals and tips

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

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Fort Smith to London Heathrow Airport takes 11h 40m
There are no direct flights from Fort Smith to London Heathrow Airport. There are no popular flight routes from Fort Smith to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Fort Smith to London Heathrow Airport

  • How far is Fort Smith to London Heathrow by plane?

    There are 4507.6 mi between Fort Smith and London Heathrow. Typically, this will take 11h 40m by plane in normal conditions.

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

    Prices for flights from Fort Smith Airport to London Heathrow Airport are updated daily.

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

    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 Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport 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
Dover
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Fort Smith to London. momondo saves you time and could save you money on your trip.

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

All flight searches from Fort Smith to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Fort Smith to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Fort Smith and alert you when they change.

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