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$345+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This Iberia deal was found by Cheapflights users on 5/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:07 pm
FSD
-
LHR
1 stop16h 23m
Iberia
Tue 9/152:45 pm
LHR
-
FSD
1 stop15h 06m
Iberia
Deal found 5/11$908
This Iberia deal was found by Cheapflights users on 5/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:30 pm
FSD
-
LHR
1 stop16h 20m
Iberia
Tue 9/227:50 am
LHR
-
FSD
2 stops22h 01m
Iberia
Deal found 5/11$924
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 9/126:50 pm
FSD
-
LHR
2 stops33h 10m
United Airlines
Tue 9/226:50 am
LHR
-
FSD
2 stops22h 47m
United Airlines
Deal found 5/11$948
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 9/1212:25 pm
FSD
-
LHR
1 stop14h 40m
American Airlines
Tue 9/2211:00 am
LHR
-
FSD
1 stop16h 55m
American Airlines
Deal found 5/12$958
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Mon 10/195:05 pm
FSD
-
LHR
1 stop13h 20m
United Airlines
Sun 10/256:50 am
LHR
-
FSD
2 stops15h 44m
United Airlines
Deal found 5/9$989
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/153:08 pm
FSD
-
LHR
1 stop33h 37m
United Airlines
Sat 8/226:55 am
LHR
-
FSD
2 stops19h 12m
United Airlines
Deal found 5/10$995
This Expedia deal was found by Cheapflights users on 5/10. 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 8/155:23 pm
FSD
-
LHR
1 stop12h 52m
Iberia
Sat 8/222:45 pm
LHR
-
FSD
1 stop15h 46m
Iberia
Deal found 5/10$1,008
This Virgin Atlantic deal was found by Cheapflights users on 5/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:20 pm
FSD
-
LHR
2 stops17h 55m
Virgin Atlantic
Tue 9/159:40 am
LHR
-
FSD
2 stops19h 06m
Virgin Atlantic
Deal found 5/11$1,052
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 9/121:20 pm
FSD
-
LCY
2 stops17h 55m
Delta
Tue 9/229:20 am
LCY
-
FSD
2 stops18h 49m
Delta
Deal found 5/11$1,053
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 9/126:37 pm
FSD
-
LCY
2 stops17h 18m
Lufthansa
Tue 9/229:15 am
LCY
-
FSD
2 stops20h 22m
Lufthansa
Deal found 5/12$1,107
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:35 pm
FSD
-
LGW
2 stops13h 50m
Delta
Tue 5/1910:35 am
LGW
-
FSD
2 stops18h 36m
Delta
Deal found 5/7$1,229
This KLM deal was found by Cheapflights users on 5/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:35 pm
FSD
-
LCY
2 stops13h 15m
KLM
Tue 5/1910:00 am
LCY
-
FSD
2 stops15h 27m
KLM
Deal found 5/7$1,247

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 May 12, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$908
(Iberia)

One-way from

$345
(Expedia)
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)
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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 May 12, 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 9/12

6:00 pm-12:15 pm

1 stop12h 15m

London Heathrow

Tue 9/22

7:50 am-11:51 pm

2 stops22h 01m

$925

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 10/19

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Sun 10/25

6:50 am-5:34 pm

2 stops15h 44m

$992

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sat 9/12

1:20 pm-1:15 pm

2 stops17h 55m

London City

Tue 9/22

10:00 am-10:09 pm

2 stops18h 09m

$1,053

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sat 9/12

6:37 pm-5:55 pm

2 stops17h 18m

London City

Tue 9/22

9:15 am-11:37 pm

2 stops20h 22m

$1,107
Quickest round-trip

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 10/19

1:00 pm-7:55 am

2 stops12h 55m

London City

Sun 10/25

1:45 pm-10:51 pm

2 stops14h 06m

$1,341

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 6/23

5:05 pm-12:25 pm

1 stop13h 20m

London Heathrow

Tue 6/30

5:40 pm-6:16 pm

2 stops30h 36m

$1,409

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Wed 6/10

7:02 am-6:50 am

2 stops17h 48m

London Gatwick

Thu 7/9

12:20 pm-11:35 am

2 stops29h 15m

$1,415

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 6/17

7:40 am-6:35 am

2 stops16h 55m

London Heathrow

Wed 7/1

9:30 am-11:31 pm

2 stops20h 01m

$1,418

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 5/25

3:07 pm-8:30 am

1 stop11h 23m

London Heathrow

Mon 6/1

5:50 pm-5:55 pm

2 stops30h 05m

$1,419

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Tue 6/16

6:30 pm-5:55 pm

2 stops17h 25m

London City

Tue 6/23

9:15 am-8:08 pm

2 stops16h 53m

$1,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 47 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Sioux Falls-London flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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, July is the cheapest month in which you can book a flight from Sioux Falls to London (average of $511). Flying from Sioux Falls to London in June is currently the most expensive (average of $950). 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 May 12, 2026.
Read reviews from past customers who have flown United Airlines and American 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.
United Airlines
7.4
Good
9,701 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,661 reviews
United Airlines
7.4
Good
9,701 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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. 2 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

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

    Iberia, United Airlines, and Delta can get you from Sioux Falls to London in just under 12h 15m. Your travel time can differ by up to 9h 45m. There are 4189 mi between Sioux Falls and London. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying 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. An additional option worth looking into is American Airlines, starting at $658.

  • 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 Gatwick or Sioux Falls Joe Foss Field - London City 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, July is the cheapest month in which you can book a flight from Sioux Falls to London (average of $511). Flying from Sioux Falls to London in June is currently the most expensive (average of $950). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

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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 2 airlines flying from Sioux Falls to London

Discover the top 2 airlines 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$978FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$987FlexibilityNo cancel feeOn-time71%

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