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Cheap flights from South Dakota to London from £291

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 22/3. 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 South Dakota to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 08:35
FSD
-
LHR
20h 35m
2 stops
United Airlines Logo
06:50 - 17:44
LHR
-
FSD
16h 54m
2 stops
£474United Airlines
Wed, 1 Apr - Wed, 22 Apr
United Airlines Logo
07:43 - 05:55
FSD
-
LHR
16h 12m
1 stop
United Airlines Logo
07:25 - 22:02
LHR
-
FSD
19h 37m
1 stop
£484United Airlines
Thu, 5 Mar - Tue, 24 Mar
Delta Logo
13:34 - 07:50
FSD
-
LHR
13h 16m
2 stops
Delta Logo
11:05 - 19:20
LHR
-
FSD
13h 15m
1 stop
£486Delta
Mon, 9 Mar - Thu, 19 Mar
Virgin Atlantic Logo
11:01 - 06:50
FSD
-
LHR
14h 49m
2 stops
Virgin Atlantic Logo
11:05 - 23:04
LHR
-
FSD
16h 59m
1 stop
£488Virgin Atlantic
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
14:06 - 09:05
FSD
-
LHR
12h 59m
1 stop
Multiple Airlines Logo
11:10 - 19:09
LHR
-
FSD
13h 59m
1 stop
£496Multiple Airlines
Wed, 1 Apr - Wed, 22 Apr
Delta Logo
13:34 - 07:05
FSD
-
LHR
12h 31m
1 stop
Delta Logo
09:55 - 23:04
LHR
-
FSD
19h 09m
2 stops
£502Delta
Sun, 22 Mar - Wed, 1 Apr
Multiple Airlines Logo
14:21 - 12:15
RAP
-
LHR
14h 54m
1 stop
Multiple Airlines Logo
14:45 - 22:36
LHR
-
RAP
14h 51m
1 stop
£889Multiple Airlines
Wed, 4 Mar - Fri, 6 Mar
American Airlines Logo
05:31 - 06:15
RAP
-
LHR
17h 44m
2 stops
American Airlines Logo
14:45 - 22:36
LHR
-
RAP
14h 51m
1 stop
£893American Airlines
Wed, 4 Mar - Fri, 6 Mar
Virgin Atlantic Logo
06:00 - 07:05
RAP
-
LHR
19h 05m
1 stop
Virgin Atlantic Logo
11:05 - 22:25
LHR
-
RAP
17h 20m
1 stop
£920Virgin Atlantic
Fri, 20 Mar - Fri, 27 Mar
American Airlines Logo
12:44 - 11:15
RAP
-
LHR
15h 31m
1 stop
American Airlines Logo
12:55 - 21:30
LHR
-
RAP
15h 35m
1 stop
£973American Airlines
Tue, 23 Jun - Sat, 11 Jul

Virgin Atlantic flights from South Dakota to London Heathrow Airport

Our best Virgin Atlantic deals on South Dakota to London Heathrow Airport flight tickets
Virgin Atlantic
19 Mar
FSD11:01Sioux Falls Joe Foss Field
14h 49m
2 stops
LHR06:50London Heathrow
26 Mar
LHR11:05London Heathrow
16h 59m
1 stop
FSD23:04Sioux Falls Joe Foss Field
£488
Virgin Atlantic
19 Mar
FSD11:01Sioux Falls Joe Foss Field
14h 49m
2 stops
LHR06:50London Heathrow
26 Mar
LHR09:40London Heathrow
14h 40m
2 stops
FSD19:20Sioux Falls Joe Foss Field
£543
Virgin Atlantic
20 Mar
RAP06:00Rapid City
19h 05m
1 stop
LHR07:05London Heathrow
27 Mar
LHR11:05London Heathrow
17h 20m
1 stop
RAP22:25Rapid City
£920

Delta flights from South Dakota to London Heathrow Airport

Our best Delta deals on South Dakota to London Heathrow Airport flight tickets
Delta
9 Mar
FSD13:34Sioux Falls Joe Foss Field
13h 16m
2 stops
LHR07:50London Heathrow
19 Mar
LHR11:05London Heathrow
13h 15m
1 stop
FSD19:20Sioux Falls Joe Foss Field
£486
Delta
22 Mar
FSD13:34Sioux Falls Joe Foss Field
12h 31m
1 stop
LHR07:05London Heathrow
1 Apr
LHR09:55London Heathrow
19h 09m
2 stops
FSD23:04Sioux Falls Joe Foss Field
£502
Delta
22 Mar
FSD08:00Sioux Falls Joe Foss Field
19h 45m
2 stops
LHR08:45London Heathrow
1 Apr
LHR08:40London Heathrow
20h 24m
2 stops
FSD23:04Sioux Falls Joe Foss Field
£505

momondo Fare Finder

 
Customise your flight search to find flights from South Dakota 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 279,928 searches. Data last updated 5 February 2026.
Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 1/4

06:00-08:35

2 stops20h 35m

London Heathrow

Wed 22/4

06:50-17:44

2 stops16h 54m

£474

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 5/3

07:43-05:55

1 stop16h 12m

London Heathrow

Tue 24/3

07:25-22:02

1 stop19h 37m

£484

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/3

13:34-07:50

2 stops13h 16m

London Heathrow

Thu 19/3

11:05-19:20

1 stop13h 15m

£486

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 19/3

11:01-06:50

2 stops14h 49m

London Heathrow

Thu 26/3

11:05-23:04

1 stop16h 59m

£488

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 1/4

14:06-09:05

1 stop12h 59m

London Heathrow

Wed 22/4

11:10-19:09

1 stop13h 59m

£496

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 22/3

13:34-07:05

1 stop12h 31m

London Heathrow

Wed 1/4

09:55-23:04

2 stops19h 09m

£502

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 4/3

14:21-12:15

1 stop14h 54m

London Heathrow

Fri 6/3

14:45-22:36

1 stop14h 51m

£889

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 4/3

05:31-06:15

2 stops17h 44m

London Heathrow

Fri 6/3

14:45-22:36

1 stop14h 51m

£893

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 20/3

06:00-07:05

1 stop19h 05m

London Heathrow

Fri 27/3

11:05-22:25

1 stop17h 20m

£920

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 23/6

12:44-11:15

1 stop15h 31m

London Heathrow

Sat 11/7

12:55-21:30

1 stop15h 35m

£973

Flights are sorted by cheapest return 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 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 month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from South Dakota to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £481. The month of August is another great option to travel to London Heathrow Airport, with average flight prices from South Dakota averaging around £499.

Cheap South Dakota to London Heathrow Airport flight deals and tips

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

Fastest flight time

16h 25m

Direct flights

None
The fastest flight from South Dakota to London Heathrow Airport takes 16h 25m
There are no direct flights from South Dakota to London Heathrow Airport. There are no popular flight routes from South Dakota to London Heathrow Airport.
Search flight deals

  • When did momondo last update prices for flights from South Dakota to London Heathrow Airport?

    Prices for flights from South Dakota to London Heathrow Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to London Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport

Compare and see reviews for airlines that fly from South Dakota to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £553Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights

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Why use momondo?

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

Finding the right flight to London from South Dakota is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from South Dakota on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from South Dakota.

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

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