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

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $576. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from South Dakota to London Heathrow Airport for a low price.

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 $1,115). 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 month to fly from South Dakota to London Heathrow Airport?

The best pricing can be found in the month of March. Prices to London Heathrow Airport from South Dakota average $1,113. You can even find prices in March for less than $1,113, as users have found deals to London Heathrow Airport from as low as $689. The month of January appears to be one of the more expensive times to travel to London Heathrow Airport from South Dakota. Flying in the targeted month can save you up to 79%.

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.

$576+ Flights from South Dakota to London Heathrow Airport

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Cheap flight deals from South Dakota to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$818 (Travelocity)
One-way from	$576 (United)
Popular in	January
Cheapest in	March
Average price	$689

Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.

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From South Dakota to London Heathrow

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One-way flight from South Dakota to London Heathrow

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Highest demand for flights based on searches. 18% potential increase in price ($249 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($81 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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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 March 28, 2025.

Sat 10/115:48 pmRAP - LHR

1 stop32h 52mUnited Airlines

Tue 10/215:40 pmLHR - RAP

2 stops33h 53mUnited Airlines

Deal found 3/28

$771

Sat 10/114:34 pmRAP - LHR

1 stop14h 51mAmerican Airlines

Tue 10/218:50 amLHR - RAP

2 stops18h 32mAmerican Airlines

Deal found 3/27

$802

Fri 4/254:05 pmFSD - LHR

1 stop12h 25mIberia

Mon 5/57:25 pmLHR - FSD

2 stops33h 18mIberia

Deal found 3/27

$818

Wed 10/16:20 amRAP - LHR

2 stops17h 25mDelta

Thu 10/304:35 pmLHR - RAP

2 stops26h 57mDelta

Deal found 3/27

$827

Tue 5/2011:40 amFSD - LHR

2 stops36h 50mUnited Airlines

Tue 6/32:05 pmLHR - FSD

2 stops30h 30mUnited Airlines

Deal found 3/27

$851

Fri 4/2510:52 amFSD - LHR

1 stop20h 18mKLM

Mon 5/51:05 pmLHR - FSD

1 stop16h 11mKLM

Deal found 3/27

$882

Wed 4/165:00 amFSD - LHR

2 stops19h 45mDelta

Sun 4/276:30 amLHR - FSD

2 stops23h 50mDelta

Deal found 3/27

$998

Wed 4/1612:16 pmFSD - LHR

1 stop14h 54mMultiple Airlines

Sun 4/2711:05 amLHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 3/27

$1,007

Tue 5/204:10 pmFSD - LHR

1 stop12h 20mAmerican Airlines

Tue 6/311:05 amLHR - FSD

1 stop17h 38mAmerican Airlines

Deal found 3/27

$1,009

Fri 4/411:45 amRAP - LHR

1 stop18h 25mKLM

Sat 4/1212:25 pmLHR - RAP

1 stop17h 04mKLM

Deal found 3/27

$1,057

Fri 10/32:20 pmRAP - LHR

1 stop15h 50mMultiple Airlines

Thu 10/3011:00 amLHR - RAP

2 stops16h 56mMultiple Airlines

Deal found 3/27

$1,077

Sat 6/72:05 pmFSD - LHR

1 stop16h 15mLufthansa

Fri 6/137:30 pmLHR - FSD

2 stops32h 22mLufthansa

Deal found 3/27

$1,422

Best flights from South Dakota to Heathrow
Discover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 4/254:05 pmFSD - LHR

1 stop12h 25mIberia

Mon 5/57:25 pmLHR - FSD

2 stops33h 18mIberia

Deal found 3/27

$818

Tue 5/2011:40 amFSD - LHR

2 stops36h 50mUnited Airlines

Tue 6/32:05 pmLHR - FSD

2 stops30h 30mUnited Airlines

Deal found 3/27

$851

Fri 4/2510:52 amFSD - LHR

1 stop20h 18mKLM

Mon 5/51:05 pmLHR - FSD

1 stop16h 11mKLM

Deal found 3/27

$882

Wed 4/165:00 amFSD - LHR

2 stops19h 45mDelta

Sun 4/276:30 amLHR - FSD

2 stops23h 50mDelta

Deal found 3/27

$998

Wed 4/1612:16 pmFSD - LHR

1 stop14h 54mMultiple Airlines

Sun 4/2711:05 amLHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 3/27

$1,007

Tue 5/204:10 pmFSD - LHR

1 stop12h 20mAmerican Airlines

Tue 6/311:05 amLHR - FSD

1 stop17h 38mAmerican Airlines

Deal found 3/27

$1,009

Sat 6/72:05 pmFSD - LHR

1 stop16h 15mLufthansa

Fri 6/137:30 pmLHR - FSD

2 stops32h 22mLufthansa

Deal found 3/27

$1,422

Sat 5/175:59 pmRAP - LHR

2 stops19h 41mUnited Airlines

Wed 5/283:50 pmLHR - RAP

2 stops32h 18mUnited Airlines

Deal found 3/28

$862

Wed 6/44:25 pmRAP - LHR

1 stop13h 45mKLM

Wed 6/116:30 amLHR - RAP

2 stops16h 22mKLM

Deal found 3/27

$1,059

Sat 5/244:35 pmRAP - LHR

1 stop14h 50mAmerican Airlines

Sat 5/318:20 amLHR - RAP

1 stop19h 33mAmerican Airlines

Deal found 3/27

$1,203

Last-minute flights from South Dakota to Heathrow
Discover last-minute flight deals from South Dakota to Heathrow. Data last updated March 28, 2025 and is based on user searches.

Fri 4/412:59 pmRAP - LHR

1 stop12h 21mUnited Airlines

Sat 4/129:30 amLHR - RAP

2 stops32h 22mUnited Airlines

Deal found 3/27

$1,034

Fri 4/411:45 amRAP - LHR

1 stop18h 25mKLM

Sat 4/1212:25 pmLHR - RAP

1 stop17h 04mKLM

Deal found 3/27

$1,057

Fri 4/46:00 amRAP - LHR

2 stops24h 30mDelta

Sat 4/123:15 pmLHR - RAP

2 stops31h 20mDelta

Deal found 3/27

$1,062

Fri 4/412:26 pmRAP - LHR

1 stop18h 59mAmerican Airlines

Sat 4/124:25 pmLHR - RAP

1 stop26h 31mAmerican Airlines

Deal found 3/26

$1,065

Wed 4/165:00 amFSD - LHR

2 stops19h 45mDelta

Sun 4/276:30 amLHR - FSD

2 stops23h 50mDelta

Deal found 3/27

$998

Wed 4/1612:16 pmFSD - LHR

1 stop14h 54mMultiple Airlines

Sun 4/2711:05 amLHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 3/27

$1,007

Fri 4/254:05 pmFSD - LHR

1 stop12h 25mIberia

Mon 5/57:25 pmLHR - FSD

2 stops33h 18mIberia

Deal found 3/27

$818

Fri 4/258:00 amFSD - LHR

2 stops16h 45mUnited Airlines

Mon 5/59:30 amLHR - FSD

2 stops31h 09mUnited Airlines

Deal found 3/27

$864

Fri 4/2510:52 amFSD - LHR

1 stop20h 18mKLM

Mon 5/51:05 pmLHR - FSD

1 stop16h 11mKLM

Deal found 3/27

$882

One-way flights from South Dakota to Heathrow
Search for one-way flight options from South Dakota to Heathrow. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Mon 4/78:00 amFSD - LHR

3 stops20h 40mUnited Airlines

Deal found 3/27

$576

Mon 6/305:21 pmRAP - LHR

3 stops35h 34mMultiple Airlines

Deal found 3/27

$666

Mon 6/3011:36 amRAP - LHR

1 stop18h 34mKLM

Deal found 3/27

$822

Mon 6/912:06 pmFSD - LHR

1 stop16h 24mAmerican Airlines

Deal found 3/27

$828

Mon 6/912:56 pmFSD - LHR

2 stops13h 59mDelta

Deal found 3/27

$908

Cheapflights Fare Finder

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

Fri 4/25

4:05 pm-10:30 am

1 stop12h 25m

London Heathrow

Mon 5/5

7:25 pm-10:43 pm

2 stops33h 18m

$818

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 5/20

11:40 am-6:30 am

2 stops36h 50m

London Heathrow

Tue 6/3

2:05 pm-2:35 pm

2 stops30h 30m

$851

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 5/17

5:59 pm-8:40 pm

2 stops19h 41m

London Heathrow

Wed 5/28

3:50 pm-5:08 pm

2 stops32h 18m

$862

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 4/25

10:52 am-1:10 pm

1 stop20h 18m

London Heathrow

Mon 5/5

1:05 pm-11:16 pm

1 stop16h 11m

$882

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/16

5:00 am-6:45 am

2 stops19h 45m

London Heathrow

Sun 4/27

6:30 am-12:20 am

2 stops23h 50m

$998

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/16

12:16 pm-9:10 am

1 stop14h 54m

London Heathrow

Sun 4/27

11:05 am-10:40 pm

1 stop17h 35m

$1,007

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 5/20

4:10 pm-10:30 am

1 stop12h 20m

London Heathrow

Tue 6/3

11:05 am-10:43 pm

1 stop17h 38m

$1,009

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/4

4:25 pm-1:10 pm

1 stop13h 45m

London Heathrow

Wed 6/11

6:30 am-3:52 pm

2 stops16h 22m

$1,059

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 5/24

4:35 pm-2:25 pm

1 stop14h 50m

London Heathrow

Sat 5/31

8:20 am-8:53 pm

1 stop19h 33m

$1,203

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 6/7

2:05 pm-12:20 pm

1 stop16h 15m

London Heathrow

Fri 6/13

7:30 pm-9:52 pm

2 stops32h 22m

$1,422

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 15 results

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 time of day to fly from SD to LHR?

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

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

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

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

7,897 reviews

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

7,897 reviews

Delta

8.0

Very good

7,897 reviews

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

1,321 reviews

Delta

8.0

Very good

7,897 reviews

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

8,603 reviews

Delta

8.0

Very good

7,897 reviews

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

7,897 reviews

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

2,651 reviews

Delta

8.0

Very good

7,897 reviews

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

What are the cheapest airlines to fly from South Dakota to London Heathrow Airport one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $576. However, be on the lookout for offers from KLM and American Airlines, 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 $1,115). 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

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Top 2 airlines flying from South Dakota to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$602	Average$818	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$613	Average$1,162	FlexibilityNo cancel fee	On-time69%

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$576+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Heathrow with Cheapflights

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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 March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to Heathrow

Cheapest flights from South Dakota to HeathrowExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

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

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 March 28, 2025.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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.

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?

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

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

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

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

Traveling to a place near South Dakota?

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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.

Top 2 airlines flying from South Dakota to Heathrow

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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 March 28, 2025.