Heathrow

$399+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
jul. 8 — jul. 151
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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 3, 2025.

Round-trip from

$675
(Delta)

One-way from

$399
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,319
From Sioux Falls Joe Foss Field to London Heathrow
One-way flight from Sioux Falls Joe Foss Field to London Heathrow
Highest demand for flights based on searches. 27% potential increase in price ($390 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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.
dom. 8/172:30 pmFSD - LHR
1 stop16h 40mDelta
dom. 8/2411:30 amLHR - FSD
2 stops17h 36mDelta
Deal found 7/2$675
This KLM deal was found by Cheapflights users on 7/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/175:27 amFSD - LHR
1 stop19h 18mKLM
dom. 8/249:20 amLHR - FSD
1 stop19h 46mKLM
Deal found 7/2$683
This United Airlines deal was found by Cheapflights users on 7/2. 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 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 stops26h 33mUnited Airlines
Deal found 7/2$730
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:42 pmFSD - LHR
1 stop11h 23mMultiple Airlines
vie. 10/171:10 pmLHR - FSD
1 stop15h 32mMultiple Airlines
Deal found 7/1$753
This AranGrant deal was found by Cheapflights users on 7/3. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/111:19 amFSD - LHR
1 stop15h 01mLufthansa
mié. 10/88:30 amLHR - FSD
1 stop19h 52mLufthansa
Deal found 7/3$1,696

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 3, 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

dom. 8/17

2:30 pm-1:10 pm

1 stop16h 40m

London Heathrow

dom. 8/24

11:30 am-11:06 pm

2 stops17h 36m

$675

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

dom. 8/17

5:27 am-6:45 am

1 stop19h 18m

London Heathrow

dom. 8/24

9:20 am-11:06 pm

1 stop19h 46m

$683

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 8/15

11:55 am-9:40 am

1 stop15h 45m

London Heathrow

vie. 8/22

7:30 am-8:29 pm

2 stops18h 59m

$881

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 10/1

11:19 am-8:20 am

1 stop15h 01m

London Heathrow

mié. 10/8

8:30 am-10:22 pm

1 stop19h 52m

$1,696

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 7/9

6:26 pm-11:45 am

1 stop11h 19m

London Heathrow

sáb. 7/12

8:10 pm-11:59 pm

2 stops33h 49m

$2,048

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 10/1

8:00 am-11:35 am

2 stops21h 35m

$399

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mié. 10/1

8:54 pm-5:45 pm

3 stops38h 51m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 $1,098). 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 3, 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 julio 3, 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.
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
8.0
Very good
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 $675. Other airlines that can offer you cheap pricing are KLM, from $683, and United Airlines, from $881. Delta is priced at 33% 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 $1,098). 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 Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
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Chichester
Swindon

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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.

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$740Average$1,115FlexibilityNo cancel feeOn-time71%

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