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$505+ Cheap flights from Sioux Falls (FSD) 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
jul. 21 — jul. 281
lun. 7/21
lun. 7/28
1 adult, Economy
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Cheap flight deals from Sioux Falls to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 16, 2025.

Round-trip from

$624
(KLM)

One-way from

$505
(Expedia)

Popular in

June

Cheapest in

November

Average price

$1,319
From Sioux Falls Joe Foss Field to London Heathrow
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One-way flight from Sioux Falls Joe Foss Field to London Heathrow
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Highest demand for flights based on searches. 27% potential increase in price ($380 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Sioux Falls to Heathrow

Cheapest flights from Sioux Falls to Heathrow
Explore the most affordable flight options available from Sioux Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 16, 2025.

This KLM deal was found by Cheapflights users on 7/15. 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.
mié. 8/276:04 pmFSD - LHR
1 stop13h 06mKLM
mié. 9/36:30 amLHR - FSD
2 stops13h 20mKLM
Deal found 7/15$624
This Delta deal was found by Cheapflights users on 7/16. 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.
mar. 10/71:20 pmFSD - LHR
2 stops18h 10mDelta
vie. 10/176:30 amLHR - FSD
2 stops22h 19mDelta
Deal found 7/16$628
This Virgin Atlantic deal was found by Cheapflights users on 7/13. 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.
vie. 8/83:16 pmFSD - LHR
2 stops16h 14mVirgin Atlantic
jue. 8/2112:35 pmLHR - FSD
2 stops17h 11mVirgin Atlantic
Deal found 7/13$686
This United Airlines deal was found by Cheapflights users on 7/15. 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.
lun. 10/63:12 pmFSD - LHR
1 stop11h 08mUnited Airlines
mar. 10/142:05 pmLHR - FSD
2 stops30h 32mUnited Airlines
Deal found 7/15$727
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/66:11 pmFSD - LHR
2 stops15h 29mLufthansa
vie. 9/127:30 pmLHR - FSD
2 stops27h 59mLufthansa
Deal found 7/15$897
This American Airlines deal was found by Cheapflights users on 7/14. 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.
jue. 10/212:18 pmFSD - LHR
1 stop13h 02mAmerican Airlines
mar. 10/78:20 amLHR - FSD
1 stop14h 15mAmerican Airlines
Deal found 7/14$1,002
This Mytrip deal was found by Cheapflights users on 7/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/246:11 pmFSD - LHR
2 stops21h 59mMultiple Airlines
dom. 8/316:40 amLHR - FSD
3 stops31h 58mMultiple Airlines
Deal found 7/15$1,380
This AranGrant deal was found by Cheapflights users on 7/15. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/112:19 pmFSD - LHR
1 stop17h 56mIberia
mié. 10/812:15 pmLHR - FSD
1 stop16h 27mIberia
Deal found 7/15$2,088

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux Falls 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 julio 16, 2025.
Use the filters below to find and compare flights from Sioux Falls to London Heathrow Airport that are best for you.

Fly from

Sioux Falls

Fly to

Heathrow

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 8/27

6:04 pm-1:10 pm

1 stop13h 06m

London Heathrow

mié. 9/3

6:30 am-1:50 pm

2 stops13h 20m

$624

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

1:20 pm-1:30 pm

2 stops18h 10m

London Heathrow

vie. 10/17

6:30 am-10:49 pm

2 stops22h 19m

$628

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 8/8

3:16 pm-1:30 pm

2 stops16h 14m

London Heathrow

jue. 8/21

12:35 pm-11:46 pm

2 stops17h 11m

$686

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 10/6

3:12 pm-8:20 am

1 stop11h 08m

London Heathrow

mar. 10/14

2:05 pm-2:37 pm

2 stops30h 32m

$727

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

sáb. 9/6

6:11 pm-3:40 pm

2 stops15h 29m

London Heathrow

vie. 9/12

7:30 pm-5:29 pm

2 stops27h 59m

$897

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

jue. 10/2

12:18 pm-7:20 am

1 stop13h 02m

London Heathrow

mar. 10/7

8:20 am-4:35 pm

1 stop14h 15m

$1,002

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

dom. 8/24

6:11 pm-10:10 pm

2 stops21h 59m

London Heathrow

dom. 8/31

6:40 am-8:38 am

3 stops31h 58m

$1,380

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 10/1

12:19 pm-12:15 pm

1 stop17h 56m

London Heathrow

mié. 10/8

12:15 pm-10:42 pm

1 stop16h 27m

$2,088

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

jue. 9/18

2:32 pm-6:20 am

2 stops33h 48m

$505

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

jue. 9/18

6:32 am-9:35 pm

3 stops33h 03m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 12 results
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Best time to book a flight from Sioux Falls to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sioux Falls 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 Sioux Falls to London Heathrow Airport

What is the cheapest month to book a flight from Sioux Falls to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Sioux Falls to London Heathrow Airport (average of $661). Flying from Sioux Falls to London Heathrow Airport in June is currently the most expensive (average of $1,095). 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 FSD to LHR?

Find hourly flight availability from Sioux Falls 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 julio 16, 2025.

It’s optimal to fly from Sioux Falls to London Heathrow Airport in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Sioux Falls to London Heathrow Airport?

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 julio 16, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Sioux Falls to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,373 reviews
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,863 reviews
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,959 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly from for flights from Sioux Falls to London Heathrow?

    Located just 2.6 mi from the city center, Sioux Falls Joe Foss Field is the airport most travelers will use when flying to London Heathrow from Sioux Falls. Booking flights from Joe Foss Field (FSD) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.

  • What are the cheapest airlines flying from Sioux Falls to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Sioux Falls to London Heathrow Airport round-trip from $624. Other airlines that can offer you cheap pricing are Delta, from $628, and Virgin Atlantic, from $686. KLM is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    $505 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Iberia and Lufthansa, with prices starting from $1,494 and $1,707, respectively.

  • Can I find deals for flights from Sioux Falls to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Sioux Falls to Heathrow?

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

  • Can I find deals for business class flights from Sioux Falls to Heathrow?

    Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Sioux Falls to London Heathrow Airport (average of $661). Flying from Sioux Falls to London Heathrow Airport in June is currently the most expensive (average of $1,095). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Broadway
Aylesbury
Chelmsford
Folkestone
Chichester
Southend-on-Sea
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sioux Falls to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Rapid City to Heathrow flights
Sioux Falls to London City flights
Rapid City to London City flights
Sioux Falls to Gatwick flights

Top airline flying from Sioux Falls to Heathrow

Discover the top airline that operate flights from Sioux Falls 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 julio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$740Average$1,115FlexibilityNo cancel feeOn-time71%

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