Cheap flights from South Dakota to London from $508

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 10/2. 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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Cheap round-trip flights

Delta Logo
5:05 am - 6:05 amRAP-LHR
18h 00m1 stop
Delta Logo
6:20 am - 10:10 pmLHR-RAP
22h 50m2 stops
$620Delta
Find Deal
Sun, Nov 2 - Tue, Nov 25
Delta Logo
12:56 pm - 1:10 pmFSD-LHR
18h 14m1 stop
Delta Logo
11:30 am - 11:02 pmLHR-FSD
17h 32m2 stops
$620Delta
Find Deal
Mon, Sep 1 - Fri, Sep 12
United Airlines Logo
6:00 pm - 9:40 amRAP-LHR
32h 40m1 stop
United Airlines Logo
3:00 pm - 2:43 pmLHR-RAP
30h 43m2 stops
$625United Airlines
Find Deal
Mon, Nov 3 - Thu, Nov 27
KLM Logo
2:30 pm - 1:10 pmFSD-LHR
16h 40m1 stop
KLM Logo
1:05 pm - 11:02 pmLHR-FSD
15h 57m1 stop
$627KLM
Find Deal
Mon, Sep 1 - Fri, Sep 12
United Airlines Logo
9:30 am - 12:20 pmFSD-LHR
20h 50m1 stop
United Airlines Logo
8:40 am - 10:22 pmLHR-FSD
19h 42m2 stops
$630United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Virgin Atlantic Logo
5:30 am - 7:15 amFSD-LHR
19h 45m1 stop
Virgin Atlantic Logo
12:25 pm - 10:44 pmLHR-FSD
16h 19m1 stop
$677Virgin Atlantic
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Thu, Sep 25 - Tue, Sep 30
Lufthansa Logo
6:10 pm - 4:25 pmFSD-LCY
16h 15m2 stops
Lufthansa Logo
7:10 pm - 8:21 pmLCY-FSD
31h 11m2 stops
$711Lufthansa
Find Deal
Mon, Oct 6 - Tue, Oct 14
Virgin Atlantic Logo
6:04 pm - 1:10 pmFSD-LHR
13h 06m1 stop
Virgin Atlantic Logo
11:30 am - 11:46 pmLHR-FSD
18h 16m2 stops
$720Virgin Atlantic
Find Deal
Fri, Aug 22 - Sat, Aug 30
Lufthansa Logo
11:20 am - 4:40 pmFSD-LHR
23h 20m2 stops
Lufthansa Logo
1:30 pm - 5:29 pmLHR-FSD
33h 59m2 stops
$723Lufthansa
Find Deal
Mon, Sep 1 - Fri, Sep 12
KLM Logo
10:59 am - 1:10 pmFSD-LHR
20h 11m1 stop
KLM Logo
9:20 am - 11:06 pmLHR-FSD
19h 46m1 stop
$727KLM
Find Deal
Fri, Aug 22 - Sat, Aug 30

United Airlines flights from South Dakota to London

Our best United Airlines deals on South Dakota to London flight tickets
United Airlines
Nov 3
RAP6:00 pmRapid City
32h 40m
1 stop
LHR9:40 amLondon Heathrow
Nov 27
LHR3:00 pmLondon Heathrow
30h 43m
2 stops
RAP2:43 pmRapid City
United Airlines
Oct 1
FSD9:30 amSioux Falls Joe Foss Field
20h 50m
1 stop
LHR12:20 pmLondon Heathrow
Oct 8
LHR8:40 amLondon Heathrow
19h 42m
2 stops
FSD10:22 pmSioux Falls Joe Foss Field
United Airlines
Sep 10
RAP5:59 pmRapid City
11h 21m
1 stop
LHR12:20 pmLondon Heathrow
Sep 17
LHR3:50 pmLondon Heathrow
31h 12m
2 stops
RAP4:02 pmRapid City

Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets
Delta
Nov 2
RAP5:05 amRapid City
18h 00m
1 stop
LHR6:05 amLondon Heathrow
Nov 25
LHR6:20 amLondon Heathrow
22h 50m
2 stops
RAP10:10 pmRapid City
Delta
Nov 2
RAP5:05 amRapid City
19h 40m
2 stops
LHR7:45 amLondon Heathrow
Nov 25
LHR6:20 amLondon Heathrow
22h 50m
2 stops
RAP10:10 pmRapid City
Delta
Nov 2
RAP5:05 amRapid City
18h 00m
1 stop
LHR6:05 amLondon Heathrow
Nov 25
LHR11:05 amLondon Heathrow
18h 05m
1 stop
RAP10:10 pmRapid City

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 August 7, 2025.
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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 11/2

5:05 am-6:05 am

1 stop18h 00m

London Heathrow

Tue 11/25

6:20 am-10:10 pm

2 stops22h 50m

$620

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

12:56 pm-1:10 pm

1 stop18h 14m

London Heathrow

Fri 9/12

11:30 am-11:02 pm

2 stops17h 32m

$620

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 11/3

6:00 pm-9:40 am

1 stop32h 40m

London Heathrow

Thu 11/27

3:00 pm-2:43 pm

2 stops30h 43m

$625

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

2:30 pm-1:10 pm

1 stop16h 40m

London Heathrow

Fri 9/12

1:05 pm-11:02 pm

1 stop15h 57m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 10/1

9:30 am-12:20 pm

1 stop20h 50m

London Heathrow

Wed 10/8

8:40 am-10:22 pm

2 stops19h 42m

$630

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 9/25

5:30 am-7:15 am

1 stop19h 45m

London Heathrow

Tue 9/30

12:25 pm-10:44 pm

1 stop16h 19m

$677

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 10/6

6:10 pm-4:25 pm

2 stops16h 15m

London City

Tue 10/14

7:10 pm-8:21 pm

2 stops31h 11m

$711

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 8/22

6:04 pm-1:10 pm

1 stop13h 06m

London Heathrow

Sat 8/30

11:30 am-11:46 pm

2 stops18h 16m

$720

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

11:20 am-4:40 pm

2 stops23h 20m

London Heathrow

Fri 9/12

1:30 pm-5:29 pm

2 stops33h 59m

$723

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 8/22

10:59 am-1:10 pm

1 stop20h 11m

London Heathrow

Sat 8/30

9:20 am-11:06 pm

1 stop19h 46m

$727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

What is the cheapest month to fly to London?

The cheapest month to fly to London from South Dakota is in March. Flight prices, which tend to average around $689, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from South Dakota averaging around $852.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from South Dakota to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $789. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,512. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from South Dakota at noon is the least expensive time of day to depart. momondo users have found prices as low as $941 when looking at flights departing at noon. Flights to London are more costly in the morning, with an average ticket price of $1,148. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on South Dakota to London flights?

You could potentially save up to 5% 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

Best Price Found

$508

Fastest flight time

10h 40m

Direct flights

None

Airports in London

3 airports
The best one-way flight to London from South Dakota in the past 72 hours is $508. The best round-trip flight deal from South Dakota to London found on momondo in the last 72 hours is $620.
The fastest flight from South Dakota to London takes 10h 40m
There are no direct flights from South Dakota to London. Popular non-direct routes for this connection are Sioux Falls Joe Foss Field Airport - London Gatwick Airport, Sioux Falls Joe Foss Field Airport - London Heathrow Airport and Sioux Falls Joe Foss Field Airport - London City Airport.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)
  • 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 $724Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $787Free CancellationRating
7.4
8,917 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
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Ilford
Brentwood
Colchester
Folkestone
Watford
Canterbury
Richmond
Wembley

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
Tue 8/12
Tue 8/19

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