Cheap flights from South Dakota to London from $371

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 4/23. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 8:35 am
FSD
-
LHR
20h 35m
2 stops
United Airlines Logo
6:50 am - 5:44 pm
LHR
-
FSD
16h 54m
2 stops
$649United Airlines
Wed, Apr 1 - Wed, Apr 22
Delta Logo
8:05 am - 7:05 am
FSD
-
LHR
17h 00m
1 stop
Delta Logo
11:05 am - 10:21 am
LHR
-
FSD
28h 16m
1 stop
$662Delta
Thu, Mar 5 - Wed, Mar 25
Multiple Airlines Logo
2:06 pm - 9:05 am
FSD
-
LHR
12h 59m
1 stop
Multiple Airlines Logo
11:10 am - 7:09 pm
LHR
-
FSD
13h 59m
1 stop
$679Multiple Airlines
Wed, Apr 1 - Wed, Apr 22
Multiple Airlines Logo
4:17 pm - 1:05 pm
FSD
-
LHR
14h 48m
1 stop
Multiple Airlines Logo
6:15 am - 3:39 pm
LHR
-
FSD
15h 24m
2 stops
$706Multiple Airlines
Fri, May 1 - Fri, May 8
Lufthansa Logo
6:35 pm - 5:40 pm
FSD
-
LCY
18h 05m
2 stops
Lufthansa Logo
9:15 am - 11:09 pm
LCY
-
FSD
19h 54m
2 stops
$742Lufthansa
Sun, Mar 22 - Wed, Apr 1
Lufthansa Logo
6:35 pm - 5:55 pm
FSD
-
LCY
17h 20m
2 stops
Lufthansa Logo
6:30 pm - 5:44 pm
LCY
-
FSD
29h 14m
2 stops
$828Lufthansa
Sat, Apr 25 - Fri, May 1
Iberia Logo
12:14 pm - 10:50 am
FSD
-
LGW
16h 36m
2 stops
Iberia Logo
8:40 pm - 11:11 pm
LGW
-
FSD
32h 31m
2 stops
$981Iberia
Fri, May 1 - Thu, May 7
Iberia Logo
12:14 pm - 10:50 am
FSD
-
LGW
16h 36m
2 stops
Iberia Logo
8:40 pm - 11:11 pm
LGW
-
FSD
32h 31m
2 stops
$983Iberia
Fri, May 1 - Thu, May 7
American Airlines Logo
5:31 am - 6:20 am
RAP
-
LHR
17h 49m
2 stops
American Airlines Logo
9:55 am - 10:36 pm
LHR
-
RAP
19h 41m
2 stops
$1,222American Airlines
Wed, Mar 4 - Fri, Mar 6
American Airlines Logo
12:44 pm - 11:15 am
RAP
-
LHR
15h 31m
1 stop
American Airlines Logo
12:55 pm - 9:30 pm
LHR
-
RAP
15h 35m
1 stop
$1,332American Airlines
Tue, Jun 23 - Sat, Jul 11

Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets
Delta
Mar 5
FSD8:05 amSioux Falls Joe Foss Field
17h 00m
1 stop
LHR7:05 amLondon Heathrow
Mar 25
LHR11:05 amLondon Heathrow
28h 16m
1 stop
FSD10:21 amSioux Falls Joe Foss Field
$662
Delta
Mar 9
FSD1:34 pmSioux Falls Joe Foss Field
13h 16m
2 stops
LHR7:50 amLondon Heathrow
Mar 19
LHR11:05 amLondon Heathrow
13h 15m
1 stop
FSD7:20 pmSioux Falls Joe Foss Field
$666
Delta
Apr 30
FSD5:10 amSioux Falls Joe Foss Field
19h 15m
1 stop
LHR6:25 amLondon Heathrow
May 4
LHR8:40 amLondon Heathrow
20h 22m
2 stops
FSD11:02 pmSioux Falls Joe Foss Field
$750

American Airlines flights from South Dakota to London

Our best American Airlines deals on South Dakota to London flight tickets
American Airlines
May 14
FSD12:29 pmSioux Falls Joe Foss Field
14h 36m
1 stop
LHR9:05 amLondon Heathrow
May 19
LHR2:45 pmLondon Heathrow
14h 21m
1 stop
FSD11:06 pmSioux Falls Joe Foss Field
$769
American Airlines
Mar 4
RAP5:31 amRapid City
17h 49m
2 stops
LHR6:20 amLondon Heathrow
Mar 6
LHR9:55 amLondon Heathrow
19h 41m
2 stops
RAP10:36 pmRapid City
$1,222

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 February 5, 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

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

6:00 am-8:35 am

2 stops20h 35m

London Heathrow

Wed 4/22

6:50 am-5:44 pm

2 stops16h 54m

$649

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 3/5

8:05 am-7:05 am

1 stop17h 00m

London Heathrow

Wed 3/25

11:05 am-10:21 am

1 stop28h 16m

$662

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

2:06 pm-9:05 am

1 stop12h 59m

London Heathrow

Wed 4/22

11:10 am-7:09 pm

1 stop13h 59m

$679

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

4:17 pm-1:05 pm

1 stop14h 48m

London Heathrow

Fri 5/8

6:15 am-3:39 pm

2 stops15h 24m

$706

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 3/22

6:35 pm-5:40 pm

2 stops18h 05m

London City

Wed 4/1

9:15 am-11:09 pm

2 stops19h 54m

$742

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sat 4/25

6:35 pm-5:55 pm

2 stops17h 20m

London City

Fri 5/1

6:30 pm-5:44 pm

2 stops29h 14m

$828

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Fri 5/1

12:14 pm-10:50 am

2 stops16h 36m

London Gatwick

Thu 5/7

8:40 pm-11:11 pm

2 stops32h 31m

$981

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Fri 5/1

12:14 pm-10:50 am

2 stops16h 36m

London Gatwick

Thu 5/7

8:40 pm-11:11 pm

2 stops32h 31m

$983

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 3/4

5:31 am-6:20 am

2 stops17h 49m

London Heathrow

Fri 3/6

9:55 am-10:36 pm

2 stops19h 41m

$1,222

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 6/23

12:44 pm-11:15 am

1 stop15h 31m

London Heathrow

Sat 7/11

12:55 pm-9:30 pm

1 stop15h 35m

$1,332

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 10% 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

14h 05m

Direct flights

None
The fastest flight from South Dakota to London takes 14h 05m
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
American AirlinesPriceFrom $658Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights
United AirlinesPriceFrom $695Free CancellationRating
7.4
9,240 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
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
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
Sat 3/7
Sat 3/14

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