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$334+ Cheap flights from Sioux Falls (FSD) to London (LON)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
May 11 — May 181
Mon 5/11
Mon 5/18
1 adult, Economy
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Cheap flight deals from Sioux Falls to London

Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.

This United Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 12/76:00 am
FSD
-
LHR
2 stops19h 10m
United Airlines
Tue 12/811:10 am
LHR
-
FSD
2 stops39h 36m
United Airlines
Deal found 4/6$802
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sun 11/17:40 am
FSD
-
LHR
1 stop16h 15m
United Airlines
Thu 11/56:50 am
LHR
-
FSD
2 stops16h 44m
United Airlines
Deal found 4/9$874
This British Airways deal was found by Cheapflights users on 4/9. 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.
Sun 11/11:43 pm
FSD
-
LHR
1 stop15h 52m
Multiple Airlines
Thu 11/511:00 am
LHR
-
FSD
1 stop18h 59m
Multiple Airlines
Deal found 4/9$903
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:07 pm
FSD
-
LHR
1 stop31h 58m
Iberia
Wed 8/2612:15 pm
LHR
-
FSD
1 stop18h 12m
Iberia
Deal found 4/7$907
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 12/311:20 am
FSD
-
LHR
1 stop12h 35m
United Airlines
Tue 12/811:10 am
LHR
-
FSD
2 stops16h 33m
United Airlines
Deal found 4/9$925
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 8/156:50 pm
FSD
-
LHR
1 stop32h 50m
United Airlines
Wed 8/266:50 am
LHR
-
FSD
2 stops21h 02m
United Airlines
Deal found 4/7$929
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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.
Sat 8/156:37 pm
FSD
-
LHR
2 stops17h 03m
Lufthansa
Wed 8/267:25 am
LHR
-
FSD
2 stops20h 27m
Lufthansa
Deal found 4/7$933
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 5/96:52 pm
FSD
-
LHR
2 stops29h 38m
United Airlines
Tue 5/196:50 am
LHR
-
FSD
2 stops21h 02m
United Airlines
Deal found 4/9$937
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:17 pm
FSD
-
LHR
1 stop14h 58m
Iberia
Tue 5/127:10 pm
LHR
-
FSD
2 stops33h 56m
Iberia
Deal found 4/7$940
This British Airways deal was found by Cheapflights users on 4/9. 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.
Thu 12/310:43 am
FSD
-
LHR
1 stop14h 12m
Multiple Airlines
Tue 12/811:00 am
LHR
-
FSD
1 stop13h 49m
Multiple Airlines
Deal found 4/9$953
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Wed 5/66:52 pm
FSD
-
LCY
2 stops17h 03m
Lufthansa
Wed 5/139:15 am
LCY
-
FSD
2 stops20h 14m
Lufthansa
Deal found 4/6$986
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:29 pm
FSD
-
LGW
2 stops16h 21m
Iberia
Tue 5/128:40 pm
LGW
-
FSD
2 stops32h 26m
Iberia
Deal found 4/7$1,092

Find flight deals from Sioux Falls to London

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to London (LON). 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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$907
(Expedia)

One-way from

$334
(British Airways)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
Search Deals
From Sioux Falls Joe Foss Field to London (LON)
Search Deals
One-way flight from Sioux Falls Joe Foss Field to London (LON)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to London 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 April 11, 2026.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 5/9

6:52 pm-6:30 am

2 stops29h 38m

London Heathrow

Tue 5/19

6:50 am-9:52 pm

2 stops21h 02m

$937

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/5

5:05 pm-9:40 am

1 stop34h 35m

London Heathrow

Sat 9/12

6:55 am-11:37 pm

2 stops22h 42m

$979

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 5/9

12:29 pm-6:50 am

1 stop12h 21m

London Heathrow

Tue 5/19

1:10 pm-11:06 pm

1 stop15h 56m

$1,012

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 5/12

9:00 am-6:55 am

2 stops15h 55m

London Heathrow

Sun 5/17

10:25 am-9:52 pm

2 stops17h 27m

$1,020

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 5/14

11:25 am-9:40 am

1 stop16h 15m

London Heathrow

Thu 5/28

6:50 am-6:00 pm

2 stops17h 10m

$1,046

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Fri 5/1

12:29 pm-10:50 am

2 stops16h 21m

London Gatwick

Tue 5/12

8:40 pm-11:06 pm

2 stops32h 26m

$1,092

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Sat 5/9

4:17 pm-4:00 pm

2 stops17h 43m

London Gatwick

Sun 5/17

10:25 am-11:11 pm

2 stops18h 46m

$1,117
Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

3:17 pm-9:05 am

1 stop11h 48m

London Heathrow

Tue 5/12

3:15 pm-11:06 pm

1 stop13h 51m

$1,118

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Thu 4/30

6:51 pm-5:55 pm

2 stops17h 04m

London City

Mon 5/4

9:45 am-8:20 pm

2 stops16h 35m

$1,146

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Thu 5/14

10:56 am-9:25 am

2 stops16h 29m

London Gatwick

Tue 5/19

10:35 am-11:11 pm

2 stops18h 36m

$1,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

Compare providers for flights from Sioux Falls to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to London in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to London

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

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

Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of $602). Flying from Sioux Falls to London in June is currently the most expensive (average of $1,224). 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Sioux Falls to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,406 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
8,406 reviews
Delta
7.9
Good
8,406 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
9,569 reviews
Delta
7.9
Good
8,406 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
7.1
Good
11,572 reviews
Delta
7.9
Good
8,406 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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 London. 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?

    For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 1 airline has flights to London from Sioux Falls Joe Foss Field on a regular basis.

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

    Lufthansa, United Airlines, and Iberia can get you from Sioux Falls to London in just under 15h 55m. Your travel time can differ by up to 1h 08m. There are 4189 mi between Sioux Falls and London. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Sioux Falls to London round-trip?

    Our cheapest airline available from Sioux Falls to London is United Airlines. Our recent data shows that you can find tickets from as low as $654 on this airline.

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

    Most travelers choose Sioux Falls Joe Foss Field - London Heathrow, Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick when deciding on the best route from Sioux Falls to London.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of $602). Flying from Sioux Falls to London in June is currently the most expensive (average of $1,224). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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Alternative routes for Sioux Falls to London

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

Top airline flying from Sioux Falls to London

Discover the top airline that operate flights from Sioux Falls to London. 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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$978FlexibilityNo cancel feeOn-time69%

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