HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$476+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Dakota to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$708
(American Airlines)

One-way from

$476
(Delta)

Popular in

January

Cheapest in

March

Average price

$923
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. 20% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 10/125:47 amRAP - LHR
1 stop17h 38mAmerican Airlines
Thu 10/238:20 amLHR - RAP
1 stop19h 02mAmerican Airlines
Deal found 4/30$708
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/74:00 pmFSD - LHR
1 stop12h 30mAmerican Airlines
Fri 10/179:15 amLHR - FSD
1 stop12h 13mAmerican Airlines
Deal found 4/30$708
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 10/71:20 pmFSD - LHR
2 stops18h 10mDelta
Fri 10/178:10 pmLHR - FSD
2 stops22h 21mDelta
Deal found 4/30$712
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 10/114:47 pmRAP - LHR
1 stop33h 53mUnited Airlines
Tue 10/212:05 pmLHR - RAP
2 stops32h 58mUnited Airlines
Deal found 5/1$732
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/1511:19 amFSD - LHR
2 stops15h 16mUnited Airlines
Mon 10/2010:50 amLHR - FSD
2 stops39h 31mUnited Airlines
Deal found 4/30$743
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 amFSD - LHR
1 stop14h 25mIberia
Fri 10/1712:15 pmLHR - FSD
1 stop17h 44mIberia
Deal found 4/29$748
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 10/112:20 pmRAP - LHR
2 stops16h 10mDelta
Tue 10/2111:45 amLHR - RAP
2 stops17h 25mDelta
Deal found 4/30$762
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 10/75:25 amFSD - LHR
1 stop19h 20mKLM
Fri 10/1712:25 pmLHR - FSD
1 stop16h 24mKLM
Deal found 4/29$788
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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.
Tue 10/74:09 pmFSD - LHR
2 stops15h 21mVirgin Atlantic
Fri 10/1711:45 amLHR - FSD
2 stops17h 04mVirgin Atlantic
Deal found 4/29$792
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:26 pmFSD - LHR
1 stop11h 19mLufthansa
Mon 7/217:30 pmLHR - FSD
2 stops28h 15mLufthansa
Deal found 4/29$1,106
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/224:25 pmRAP - LHR
1 stop13h 45mMultiple Airlines
Wed 5/286:15 amLHR - RAP
2 stops16h 30mMultiple Airlines
Deal found 4/30$1,121
This KLM deal was found by Cheapflights users on 4/30. 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.
Mon 6/1611:51 amRAP - LHR
1 stop18h 19mKLM
Thu 6/2612:25 pmLHR - RAP
1 stop17h 06mKLM
Deal found 4/30$1,238

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 May 1, 2025.
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

Sun 10/12

5:47 am-6:25 am

1 stop17h 38m

London Heathrow

Thu 10/23

8:20 am-8:22 pm

1 stop19h 02m

$708

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/7

4:00 pm-10:30 am

1 stop12h 30m

London Heathrow

Fri 10/17

9:15 am-3:28 pm

1 stop12h 13m

$708

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/7

1:20 pm-1:30 pm

2 stops18h 10m

London Heathrow

Fri 10/17

8:10 pm-12:31 pm

2 stops22h 21m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

4:47 pm-9:40 am

1 stop33h 53m

London Heathrow

Tue 10/21

2:05 pm-4:03 pm

2 stops32h 58m

$732

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 10/15

11:19 am-8:35 am

2 stops15h 16m

London Heathrow

Mon 10/20

10:50 am-8:21 pm

2 stops39h 31m

$743

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/7

10:55 am-7:20 am

1 stop14h 25m

London Heathrow

Fri 10/17

12:15 pm-11:59 pm

1 stop17h 44m

$748

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

2:20 pm-1:30 pm

2 stops16h 10m

London Heathrow

Tue 10/21

11:45 am-10:10 pm

2 stops17h 25m

$762

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/7

5:25 am-6:45 am

1 stop19h 20m

London Heathrow

Fri 10/17

12:25 pm-10:49 pm

1 stop16h 24m

$788

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/7

4:09 pm-1:30 pm

2 stops15h 21m

London Heathrow

Fri 10/17

11:45 am-10:49 pm

2 stops17h 04m

$792

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/16

6:26 pm-11:45 am

1 stop11h 19m

London Heathrow

Mon 7/21

7:30 pm-5:45 pm

2 stops28h 15m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 results
1
2

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, November is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $661). Flying from South Dakota to London Heathrow Airport in June is currently the most expensive (average of $1,103). 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.

What is the cheapest time of day to fly from SD to LHR?

Find hourly flight availability from South Dakota to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from South Dakota to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from South Dakota to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,701 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from South Dakota to London Heathrow Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from Iberia and KLM, as they are both options that can get you from South Dakota to London Heathrow Airport for a low price.

  • 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, November is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $661). Flying from South Dakota to London Heathrow Airport in June is currently the most expensive (average of $1,103). 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 South Dakota?

Book flights to South Dakota if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
San Francisco to Heathrow flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Newark to London City flights
Orlando to Heathrow flights
Miami to Heathrow flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
John F Kennedy Intl to Stansted flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Boston to London City flights
Reagan-National to Gatwick flights
Dulles Intl to London City flights
Los Angeles to Gatwick flights
Stewart to Stansted flights
Los Angeles to London City flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
San Francisco to London City flights
Austin to Heathrow flights
Seattle to Gatwick flights
John F Kennedy Intl to Luton flights
Detroit to Heathrow flights
Orlando to Gatwick flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Sky Harbor Intl to Heathrow flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Portland to Heathrow flights
Los Angeles to Luton flights
O'Hare Intl to London City flights
Seattle to London City flights

Top 3 airlines flying from South Dakota to Heathrow

Discover the top 3 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$613Average$1,162FlexibilityNo cancel feeOn-time69%
DeltaCheapest$666Average$887FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$684Average$875FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.