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Heathrow

$398+ Cheap flights from South Dakota to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from South Dakota to Heathrow

Cheapest flights from South Dakota to Heathrow
Explore the most affordable flight options available from South Dakota to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
FSD
-
LHR
2 stops20h 35m
United Airlines
Wed 4/226:50 am
LHR
-
FSD
2 stops16h 54m
United Airlines
Deal found 2/3$649
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:00 pm
RAP
-
LHR
2 stops17h 15m
United Airlines
Wed 3/256:00 pm
LHR
-
RAP
2 stops32h 34m
United Airlines
Deal found 2/1$653
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:43 am
FSD
-
LHR
1 stop16h 12m
United Airlines
Tue 3/247:25 am
LHR
-
FSD
1 stop19h 37m
United Airlines
Deal found 2/4$662
This KLM deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:03 am
RAP
-
LHR
1 stop14h 02m
Multiple Airlines
Wed 3/2511:05 am
LHR
-
RAP
1 stop17h 20m
Multiple Airlines
Deal found 2/1$664
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:34 pm
FSD
-
LHR
2 stops13h 16m
Delta
Thu 3/1911:05 am
LHR
-
FSD
1 stop13h 15m
Delta
Deal found 2/4$666
This Virgin Atlantic deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1911:01 am
FSD
-
LHR
2 stops14h 49m
Virgin Atlantic
Thu 3/2611:05 am
LHR
-
FSD
1 stop16h 59m
Virgin Atlantic
Deal found 2/1$668
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:14 am
FSD
-
LHR
1 stop18h 26m
United Airlines
Fri 10/165:40 pm
LHR
-
FSD
2 stops33h 06m
United Airlines
Deal found 2/3$674
This British Airways deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:06 pm
FSD
-
LHR
1 stop12h 59m
Multiple Airlines
Wed 4/2211:10 am
LHR
-
FSD
1 stop13h 59m
Multiple Airlines
Deal found 2/3$679
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/221:34 pm
FSD
-
LHR
1 stop12h 31m
Delta
Wed 4/19:55 am
LHR
-
FSD
2 stops19h 09m
Delta
Deal found 2/2$687
This British Airways deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:31 pm
FSD
-
LHR
1 stop12h 19m
Multiple Airlines
Fri 10/1612:55 pm
LHR
-
FSD
1 stop14h 04m
Multiple Airlines
Deal found 2/4$689
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:31 pm
FSD
-
LHR
1 stop12h 19m
American Airlines
Fri 10/1612:55 pm
LHR
-
FSD
1 stop14h 04m
American Airlines
Deal found 2/3$690
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2010:00 am
RAP
-
LHR
2 stops16h 25m
United Airlines
Fri 3/2712:05 pm
LHR
-
RAP
2 stops31h 08m
United Airlines
Deal found 2/3$877

Find flight deals from South Dakota to Heathrow

Keep the following information in mind while searching for South Dakota to Heathrow flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$649
(United Airlines)

One-way from

$398
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$873
Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
Search Deals
From South Dakota to London Heathrow
Search Deals
One-way flight from South Dakota to London Heathrow
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

Fly from

South Dakota

Fly to

Heathrow

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 3/18

12:00 pm-11:15 am

2 stops17h 15m

London Heathrow

Wed 3/25

6:00 pm-8:34 pm

2 stops32h 34m

$653

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 3/9

5:20 am-6:25 am

1 stop20h 05m

London Heathrow

Wed 3/25

11:05 am-12:53 pm

1 stop30h 48m

$662

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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 3/18

11:03 am-7:05 am

1 stop14h 02m

London Heathrow

Wed 3/25

11:05 am-10:25 pm

1 stop17h 20m

$664

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

Sun 3/22

1:34 pm-7:05 am

1 stop12h 31m

London Heathrow

Wed 4/1

9:55 am-11:04 pm

2 stops19h 09m

$687

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

4:57 pm-12:20 pm

1 stop13h 23m

London Heathrow

Fri 5/8

6:50 am-10:42 am

2 stops33h 52m

$701

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 3/28

3:10 pm-5:45 am

1 stop33h 35m

London Heathrow

Sun 4/19

10:50 am-9:49 pm

2 stops16h 59m

$701

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

7:30 am-10:00 am

2 stops20h 30m

London Heathrow

Thu 5/7

6:50 am-9:47 pm

2 stops20h 57m

$704

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 27 results
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Best time to book a flight from South Dakota to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from South Dakota with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to London Heathrow Airport

What is the cheapest month to book a flight from South Dakota to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $602). Flying from South Dakota to London Heathrow Airport in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from South Dakota to London Heathrow Airport?

    For as low as $653, United Airlines can have you in London Heathrow Airport from South Dakota in 17h 15m. The distance from South Dakota to London Heathrow Airport is about 4385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from South Dakota to Heathrow that include hotel bookings?

    Yes. In addition to deals on South Dakota to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Heathrow.

  • Can I find deals for business class flights from South Dakota to Heathrow?

    Yes. Cheapflights offers flight deals from South Dakota to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Dakota to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $602). Flying from South Dakota to London Heathrow Airport in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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Alternative routes for South Dakota to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Dakota to Heathrow

Discover the top 2 airlines that operate flights from South Dakota to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$658Average$851FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$695Average$930FlexibilityNo cancel feeOn-time69%

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