Cheap flights from South Dakota to London from $430

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to London departing on 4/27. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:19 pm - 2:40 pm
FSD
-
LHR
19h 21m
2 stops
Lufthansa Logo
6:55 am - 8:46 pm
LHR
-
FSD
19h 51m
2 stops
$797Lufthansa
Wed, Sep 23 - Thu, Oct 1
United Airlines Logo
6:00 am - 9:40 am
FSD
-
LHR
21h 40m
1 stop
United Airlines Logo
6:55 am - 9:43 pm
LHR
-
FSD
20h 48m
2 stops
$825United Airlines
Sun, Sep 20 - Tue, Sep 29
United Airlines Logo
7:40 am - 6:30 am
FSD
-
LHR
16h 50m
2 stops
United Airlines Logo
6:55 am - 9:43 pm
LHR
-
FSD
20h 48m
2 stops
$829United Airlines
Sun, Sep 20 - Thu, Oct 1
Delta Logo
10:58 am - 1:05 pm
FSD
-
LHR
20h 07m
1 stop
Delta Logo
11:15 am - 10:09 pm
LHR
-
FSD
16h 54m
1 stop
$854Delta
Mon, Sep 21 - Fri, Oct 2
Multiple Airlines Logo
12:41 pm - 10:55 am
RAP
-
LHR
15h 14m
1 stop
Multiple Airlines Logo
12:55 pm - 9:58 pm
LHR
-
RAP
16h 03m
1 stop
$854Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Delta Logo
1:20 pm - 9:15 am
FSD
-
LHR
13h 55m
2 stops
Delta Logo
11:45 am - 10:46 pm
LHR
-
FSD
17h 01m
2 stops
$858Delta
Tue, Sep 22 - Fri, Oct 2
American Airlines Logo
1:00 pm - 9:05 am
RAP
-
LHR
13h 05m
1 stop
American Airlines Logo
8:55 am - 9:58 pm
LHR
-
RAP
20h 03m
1 stop
$884American Airlines
Tue, Sep 1 - Fri, Sep 11
Multiple Airlines Logo
11:35 am - 10:00 am
FSD
-
LGW
16h 25m
1 stop
Multiple Airlines Logo
8:40 pm - 6:12 pm
LGW
-
FSD
51h 32m
2 stops
$1,139Multiple Airlines
Sun, May 3 - Tue, May 19
Iberia Logo
7:39 pm - 8:00 pm
FSD
-
LGW
42h 21m
2 stops
Iberia Logo
8:40 pm - 11:06 pm
LGW
-
FSD
32h 26m
2 stops
$1,142Iberia
Sat, May 2 - Sat, May 9
Iberia Logo
7:39 pm - 8:00 pm
FSD
-
LGW
18h 21m
2 stops
Iberia Logo
8:40 pm - 11:11 pm
LGW
-
FSD
32h 31m
2 stops
$1,166Iberia
Thu, Apr 30 - Mon, May 4

KLM flights from South Dakota to London

Our best KLM deals on South Dakota to London flight tickets
KLM
May 7
FSD5:20 amSioux Falls Joe Foss Field
19h 05m
1 stop
LHR6:25 amLondon Heathrow
May 14
LHR6:30 amLondon Heathrow
15h 06m
2 stops
FSD3:36 pmSioux Falls Joe Foss Field
$928
KLM
May 8
RAP4:33 pmRapid City
13h 32m
1 stop
LHR1:05 pmLondon Heathrow
May 15
LHR6:30 amLondon Heathrow
16h 18m
2 stops
RAP3:48 pmRapid City
$935
KLM
May 8
RAP11:13 amRapid City
18h 52m
1 stop
LHR1:05 pmLondon Heathrow
May 15
LHR12:25 pmLondon Heathrow
16h 58m
1 stop
RAP10:23 pmRapid City
$964

Iberia flights from South Dakota to London

Our best Iberia deals on South Dakota to London flight tickets
Iberia
May 1
FSD3:17 pmSioux Falls Joe Foss Field
10h 23m
1 stop
LHR7:40 amLondon Heathrow
May 8
LHR6:15 amLondon Heathrow
22h 51m
2 stops
FSD11:06 pmSioux Falls Joe Foss Field
$931
Iberia
May 3
FSD12:29 pmSioux Falls Joe Foss Field
13h 11m
1 stop
LHR7:40 amLondon Heathrow
May 19
LHR6:15 amLondon Heathrow
22h 51m
2 stops
FSD11:06 pmSioux Falls Joe Foss Field
$932
Iberia
Apr 14
FSD3:17 pmSioux Falls Joe Foss Field
10h 23m
1 stop
LHR7:40 amLondon Heathrow
Apr 21
LHR6:15 amLondon Heathrow
22h 56m
2 stops
FSD11:11 pmSioux Falls Joe Foss Field
$987

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota 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 28, 2026.
Use the filters below to find and compare flights from South Dakota 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 9/23

1:19 pm-2:40 pm

2 stops19h 21m

London Heathrow

Thu 10/1

6:55 am-8:46 pm

2 stops19h 51m

$797

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 9/20

6:00 am-9:40 am

1 stop21h 40m

London Heathrow

Tue 9/29

6:55 am-9:43 pm

2 stops20h 48m

$825

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 9/20

7:40 am-6:30 am

2 stops16h 50m

London Heathrow

Thu 10/1

6:55 am-9:43 pm

2 stops20h 48m

$829

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/21

10:58 am-1:05 pm

1 stop20h 07m

London Heathrow

Fri 10/2

11:15 am-10:09 pm

1 stop16h 54m

$854

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Wed 8/26

12:55 pm-9:58 pm

1 stop16h 03m

$854
Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 9/22

1:20 pm-9:15 am

2 stops13h 55m

London Heathrow

Fri 10/2

11:45 am-10:46 pm

2 stops17h 01m

$858

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

1:00 pm-9:05 am

1 stop13h 05m

London Heathrow

Fri 9/11

8:55 am-9:58 pm

1 stop20h 03m

$884

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Sun 5/3

11:35 am-10:00 am

1 stop16h 25m

London Gatwick

Tue 5/19

8:40 pm-6:12 pm

2 stops51h 32m

$1,139

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Sat 5/2

7:39 pm-8:00 pm

2 stops42h 21m

London Gatwick

Sat 5/9

8:40 pm-11:06 pm

2 stops32h 26m

$1,142

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Thu 4/30

7:39 pm-8:00 pm

2 stops18h 21m

London Gatwick

Mon 5/4

8:40 pm-11:11 pm

2 stops32h 31m

$1,166

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from South Dakota 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 South Dakota to London flights?

You could potentially save up to 40% on your flight if you consider stops on a South Dakota to London flight.

Cheap South Dakota to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to London

Fastest flight time

12h 26m

Direct flights

None
The fastest flight from South Dakota to London takes 12h 26m
There are no direct flights from South Dakota to London. There are no popular flight routes from South Dakota to London.
  • When did momondo last update prices for flights from South Dakota to London?

    Prices for flights from South Dakota to London are updated daily.

  • How many operators does momondo search for flights from South Dakota to London?

  • How old do you have to be to fly from South Dakota to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to London.

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

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from South Dakota to London

Compare and see reviews for airlines that fly from South Dakota to London with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $654Free CancellationRating
7.4
9,499 reviews
Search United 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
Crawley
Slough
Wembley
Hayes
Croydon
Dartford
Brentwood
Guildford
Harrow
Cobham
Folkestone
Romford
Stansted
Watford
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota 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 South Dakota.

Can I find flights from South Dakota to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for South Dakota to London flights to just show those with flexible booking policies.

How can momondo help me find flights from South Dakota to London?

momondo helps you find the best flight between South Dakota and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for South Dakota to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Mon 4/27
Mon 5/4

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