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$319+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 agosto 18, 2025.

Round-trip from

$641
(Delta)

One-way from

$319
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$681
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. 28% potential increase in price ($400 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 18, 2025.

This lastminute.com deal was found by Cheapflights users on 8/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:04 pmFSD - LHR
1 stop13h 06mVirgin Atlantic
mar. 9/96:15 amLHR - FSD
2 stops23h 31mVirgin Atlantic
Deal found 8/18$594
This Delta deal was found by Cheapflights users on 8/18. 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. 10/71:35 pmFSD - LHR
1 stop17h 35mDelta
vie. 10/179:20 amLHR - FSD
1 stop19h 36mDelta
Deal found 8/18$641
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:30 amFSD - LHR
1 stop18h 10mUnited Airlines
mar. 10/78:45 amLHR - FSD
2 stops19h 37mUnited Airlines
Deal found 8/16$732
This United Airlines deal was found by Cheapflights users on 8/17. 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.
mar. 10/73:12 pmFSD - LHR
1 stop14h 33mUnited Airlines
vie. 10/175:40 pmLHR - FSD
2 stops34h 42mUnited Airlines
Deal found 8/17$735
This United Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 10/15:14 pmFSD - LHR
1 stop13h 06mUnited Airlines
mié. 10/810:50 amLHR - FSD
2 stops17h 32mUnited Airlines
Deal found 8/18$736
This United Airlines deal was found by Cheapflights users on 8/18. 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. 10/611:19 amFSD - LHR
1 stop13h 01mUnited Airlines
mar. 10/148:30 amLHR - FSD
2 stops19h 52mUnited Airlines
Deal found 8/18$739
This Virgin Atlantic deal was found by Cheapflights users on 8/18. 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. 10/171:35 pmFSD - LHR
1 stop17h 35mVirgin Atlantic
sáb. 10/2512:25 pmLHR - FSD
1 stop12h 54mVirgin Atlantic
Deal found 8/18$741
This American Airlines deal was found by Cheapflights users on 8/17. 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.
mié. 10/15:33 pmFSD - LHR
1 stop14h 52mAmerican Airlines
mié. 10/812:00 pmLHR - FSD
1 stop15h 16mAmerican Airlines
Deal found 8/17$751

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 agosto 18, 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

mar. 10/7

1:35 pm-1:10 pm

1 stop17h 35m

London Heathrow

vie. 10/17

9:20 am-10:56 pm

1 stop19h 36m

$641

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 1/7

7:45 am-11:15 am

1 stop21h 30m

London Heathrow

mié. 1/14

9:00 am-9:47 pm

2 stops18h 47m

$732

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 9/30

9:30 am-9:40 am

1 stop18h 10m

London Heathrow

mar. 10/7

8:45 am-10:22 pm

2 stops19h 37m

$732

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

3:12 pm-11:45 am

1 stop14h 33m

London Heathrow

vie. 10/17

5:40 pm-10:22 pm

2 stops34h 42m

$735

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 10/1

5:14 pm-12:20 pm

1 stop13h 06m

London Heathrow

mié. 10/8

7:25 am-5:27 pm

2 stops16h 02m

$736

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 10/3

9:32 pm-12:45 pm

3 stops33h 13m

$319

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 10/3

5:30 am-6:45 am

1 stop19h 15m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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 $1,097). 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 agosto 18, 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.

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 agosto 18, 2025.
Get a feel of what it's like to fly with Delta and American 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
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

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 2 different airlines.

  • How long is the flight from Sioux Falls to London Heathrow Airport?

    For as low as $641, Delta can have you in London Heathrow Airport from Sioux Falls in 17h 35m. Sioux Falls and London Heathrow Airport are separated by a distance of 4189 mi. This flight may include one or multiple stops.

  • 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 $679. Another airline that can offer you cheap pricing is American Airlines. Delta is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • 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 $1,097). 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
Dartford
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
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
Rapid City to London City flights
Sioux Falls to London City flights
Sioux Falls to Gatwick flights

Top 2 airlines flying from Sioux Falls to Heathrow

Discover the top 2 airlines 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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$679Average$872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$750Average$1,169FlexibilityNo cancel feeOn-time71%

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