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$224+ Cheap flights from Sioux Falls (FSD) to the United Kingdom

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Sioux Falls to United Kingdom

Cheapest flights from Sioux Falls to United Kingdom
Explore the most affordable flight options available from Sioux Falls to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This KLM deal was found by Cheapflights users on 12/11. 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.
Fri 12/121:30 pmFSD - LHR
1 stop11h 35mKLM
Fri 12/1911:05 amLHR - FSD
1 stop14h 35mKLM
Deal found 12/11$876
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/128:00 amFSD - LHR
2 stops16h 40mUnited Airlines
Fri 12/197:25 amLHR - FSD
2 stops22h 30mUnited Airlines
Deal found 12/11$881
This Delta deal was found by Cheapflights users on 12/11. 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.
Fri 12/121:30 pmFSD - LCY
2 stops14h 00mDelta
Fri 12/197:45 amLCY - FSD
2 stops21h 29mDelta
Deal found 12/11$1,781
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:43 amFSD - LGW
2 stops26h 17mIberia
Fri 12/197:40 pmLGW - FSD
2 stops34h 19mIberia
Deal found 12/11$4,853

Find flight deals from Sioux Falls to United Kingdom

Keep the following information in mind while searching for Sioux Falls to United Kingdom flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$564
(Kiwi.com)

One-way from

$224
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$2,825
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 Sioux Falls Joe Foss Field to United Kingdom
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One-way flight from Sioux Falls Joe Foss Field to United Kingdom
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($527 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($144 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to United Kingdom 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 December 12, 2025.
Use the filters below to find and compare flights from Sioux Falls to the United Kingdom that are best for you.

Fly from

Sioux Falls

Fly to

United Kingdom

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 1/21

3:11 pm-11:15 am

1 stop14h 04m

London Heathrow

Fri 1/30

7:40 am-8:24 pm

2 stops18h 44m

$564

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 1/23

7:30 am-5:55 am

1 stop16h 25m

London Heathrow

Tue 1/27

6:50 am-5:18 pm

2 stops16h 28m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 1/24

7:30 am-11:15 am

1 stop21h 45m

London Heathrow

Sat 1/31

6:35 am-9:50 pm

2 stops21h 15m

$628

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 1/24

12:19 pm-11:35 am

1 stop17h 16m

London Heathrow

Sat 1/31

3:45 pm-11:51 am

1 stop26h 06m

$656

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 5/4

4:20 pm-10:30 am

1 stop12h 10m

London Heathrow

Mon 5/11

7:25 pm-10:12 pm

2 stops32h 47m

$662

Sioux FallsManchester

FSD - MAN

FSDMAN

Sioux Falls Joe Foss Field

Wed 2/11

11:22 am-10:20 am

2 stops16h 58m

Manchester

Sun 2/15

6:00 am-10:46 am

2 stops58h 46m

$670

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 1/21

11:22 am-9:05 am

2 stops15h 43m

London City

Fri 1/30

6:15 pm-9:50 pm

2 stops33h 35m

$703

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 5/17

1:20 pm-1:10 pm

1 stop17h 50m

London Heathrow

Wed 5/27

6:30 am-3:28 pm

2 stops14h 58m

$704

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 5/4

11:20 am-6:35 pm

2 stops25h 15m

London City

Mon 5/11

7:10 pm-5:42 pm

2 stops28h 32m

$792

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Thu 4/30

11:20 am-8:40 am

2 stops15h 20m

London City

Mon 5/4

7:10 pm-8:46 pm

2 stops31h 36m

$945

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 24 results
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Best time to book a flight from Sioux Falls to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest time of day to fly from FSD to GB?

Find hourly flight availability from Sioux Falls to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Sioux Falls to United Kingdom in the afternoon. By choosing this option you can save up to 72% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Sioux Falls to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to United Kingdom. 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 United Kingdom?

    Most people fly from Sioux Falls Joe Foss Field (FSD) if they book a flight from Sioux Falls to United Kingdom. Sioux Falls Joe Foss Field is conveniently located just 2.6 mi from Sioux Falls’s city center.

  • How long is the flight from Sioux Falls to United Kingdom?

    Departing from Sioux Falls to United Kingdom will take you 14h 04m. The distance between Sioux Falls and United Kingdom is about 4189 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Sioux Falls to United Kingdom?

    The most popular flight routes from Sioux Falls to United Kingdom are Sioux Falls Joe Foss Field - London Heathrow, Sioux Falls Joe Foss Field - London City and Sioux Falls Joe Foss Field - London Gatwick.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux Falls to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Sioux Falls to United Kingdom

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Top 2 airlines flying from Sioux Falls to United Kingdom

Discover the top 2 airlines that operate flights from Sioux Falls to United Kingdom. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$712Average$785FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$750Average$1,115FlexibilityNo cancel feeOn-time71%

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