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Cheap flights from Sioux Falls to London from $426

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to London departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sioux Falls to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:37 pm - 6:40 pm
FSD
-
LHR
18h 03m
2 stops
Lufthansa Logo
9:00 am - 9:52 pm
LHR
-
FSD
18h 52m
2 stops
$706Lufthansa
Wed, Aug 26 - Wed, Sep 2
United Airlines Logo
9:36 am - 12:20 pm
FSD
-
LHR
20h 44m
1 stop
United Airlines Logo
6:50 am - 9:52 pm
LHR
-
FSD
21h 02m
2 stops
$725United Airlines
Wed, Aug 26 - Wed, Sep 2
Lufthansa Logo
6:53 pm - 6:25 pm
FSD
-
LHR
17h 32m
2 stops
Lufthansa Logo
7:25 am - 8:30 pm
LHR
-
FSD
19h 05m
2 stops
$751Lufthansa
Mon, Apr 6 - Fri, Apr 17
Multiple Airlines Logo
1:27 pm - 10:55 am
FSD
-
LHR
15h 28m
1 stop
Multiple Airlines Logo
1:10 pm - 12:27 am
LHR
-
FSD
17h 17m
1 stop
$754Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
KLM Logo
1:34 pm - 1:05 pm
FSD
-
LHR
17h 31m
1 stop
KLM Logo
6:30 am - 3:32 pm
LHR
-
FSD
15h 02m
2 stops
$763KLM
Wed, Apr 1 - Wed, Apr 8
Iberia Logo
7:42 pm - 12:15 pm
FSD
-
LHR
10h 33m
1 stop
Iberia Logo
2:45 pm - 11:11 pm
LHR
-
FSD
14h 26m
1 stop
$766Iberia
Wed, Apr 1 - Wed, Apr 8
Iberia Logo
2:06 pm - 10:30 am
FSD
-
LHR
14h 24m
1 stop
Iberia Logo
6:15 am - 11:11 pm
LHR
-
FSD
22h 56m
2 stops
$781Iberia
Sun, Apr 5 - Tue, Apr 21
Delta Logo
11:01 am - 9:25 am
FSD
-
LGW
16h 24m
2 stops
Delta Logo
10:35 am - 11:40 pm
LGW
-
FSD
19h 05m
2 stops
$797Delta
Sun, Apr 5 - Tue, Apr 21
Delta Logo
1:44 pm - 9:25 am
FSD
-
LGW
13h 41m
2 stops
Delta Logo
10:25 am - 11:11 pm
LGW
-
FSD
18h 46m
2 stops
$847Delta
Fri, May 1 - Fri, May 8
KLM Logo
1:34 pm - 9:30 am
FSD
-
LCY
13h 56m
2 stops
KLM Logo
10:00 am - 7:22 pm
LCY
-
FSD
15h 22m
2 stops
$975KLM
Sun, Apr 5 - Tue, Apr 21

Lufthansa flights from Sioux Falls to London

Our best Lufthansa deals on Sioux Falls to London flight tickets
Lufthansa
Aug 26
FSD6:37 pmSioux Falls Joe Foss Field
18h 03m
2 stops
LHR6:40 pmLondon Heathrow
Sep 2
LHR9:00 amLondon Heathrow
18h 52m
2 stops
FSD9:52 pmSioux Falls Joe Foss Field
$706
Lufthansa
Apr 6
FSD6:53 pmSioux Falls Joe Foss Field
17h 32m
2 stops
LHR6:25 pmLondon Heathrow
Apr 17
LHR7:25 amLondon Heathrow
19h 05m
2 stops
FSD8:30 pmSioux Falls Joe Foss Field
$751
Lufthansa
Apr 8
FSD6:53 pmSioux Falls Joe Foss Field
17h 32m
2 stops
LHR6:25 pmLondon Heathrow
Apr 18
LHR9:00 amLondon Heathrow
18h 54m
2 stops
FSD9:54 pmSioux Falls Joe Foss Field
$797

United Airlines flights from Sioux Falls to London

Our best United Airlines deals on Sioux Falls to London flight tickets
United Airlines
Aug 26
FSD9:36 amSioux Falls Joe Foss Field
20h 44m
1 stop
LHR12:20 pmLondon Heathrow
Sep 2
LHR6:50 amLondon Heathrow
21h 02m
2 stops
FSD9:52 pmSioux Falls Joe Foss Field
$725
United Airlines
Apr 21
FSD3:10 pmSioux Falls Joe Foss Field
14h 45m
1 stop
LHR11:55 amLondon Heathrow
Apr 28
LHR6:50 amLondon Heathrow
16h 54m
2 stops
FSD5:44 pmSioux Falls Joe Foss Field
$785
United Airlines
Apr 5
FSD1:43 pmSioux Falls Joe Foss Field
13h 57m
1 stop
LHR9:40 amLondon Heathrow
Apr 17
LHR7:25 amLondon Heathrow
19h 05m
2 stops
FSD8:30 pmSioux Falls Joe Foss Field
$786

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 March 8, 2026.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/26

6:37 pm-6:40 pm

2 stops18h 03m

London Heathrow

Wed 9/2

9:00 am-9:52 pm

2 stops18h 52m

$706

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/26

9:36 am-12:20 pm

1 stop20h 44m

London Heathrow

Wed 9/2

6:50 am-9:52 pm

2 stops21h 02m

$725

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 4/6

6:53 pm-6:25 pm

2 stops17h 32m

London Heathrow

Fri 4/17

7:25 am-8:30 pm

2 stops19h 05m

$751

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/26

1:27 pm-10:55 am

1 stop15h 28m

London Heathrow

Wed 9/2

1:10 pm-12:27 am

1 stop17h 17m

$754

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

1:34 pm-1:05 pm

1 stop17h 31m

London Heathrow

Wed 4/8

6:30 am-3:32 pm

2 stops15h 02m

$763
Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

7:42 pm-12:15 pm

1 stop10h 33m

London Heathrow

Wed 4/8

2:45 pm-11:11 pm

1 stop14h 26m

$766

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/5

2:06 pm-10:30 am

1 stop14h 24m

London Heathrow

Tue 4/21

6:15 am-11:11 pm

2 stops22h 56m

$781

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Sun 4/5

11:01 am-9:25 am

2 stops16h 24m

London Gatwick

Tue 4/21

10:35 am-11:40 pm

2 stops19h 05m

$797

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Fri 5/1

1:44 pm-9:25 am

2 stops13h 41m

London Gatwick

Fri 5/8

10:25 am-11:11 pm

2 stops18h 46m

$847

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 4/5

1:34 pm-9:30 am

2 stops13h 56m

London City

Tue 4/21

10:00 am-7:22 pm

2 stops15h 22m

$975

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Sioux Falls 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

Can stopping save me money on Sioux Falls to London flights?

You could potentially save up to 55% on your flight if you consider stops on a Sioux Falls to London flight.

When to book flights from Sioux Falls to London

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

Cheap Sioux Falls to London (FSD to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to London

Fastest flight time

12h 34m

Direct flights

None
The fastest flight from Sioux Falls to London takes 12h 34m
There are no direct flights from Sioux Falls to London. There are no popular flight routes from Sioux Falls to London.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to London by plane?

    A flight from Sioux Falls Joe Foss Field to London will travel around 4200.7 mi. Typically, this will take 12h 34m by plane in normal conditions.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to London?

    Prices for flights from Sioux Falls Joe Foss Field Airport to London refresh daily.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to London?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field 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.

  • What is the most popular airline from Sioux Falls to London?

Best airlines flying from Sioux Falls to London

Compare and see reviews for airlines that fly from Sioux Falls to London with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $658Free CancellationRating
7.1
11,397 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sioux Falls.

Can I find flights from Sioux Falls to London with flexible booking policies on momondo?

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

How can momondo help me find flights from Sioux Falls to London?

Once you have performed a search for Sioux Falls to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sioux Falls 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 Sioux Falls and alert you when they change.

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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