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.

What is the cheapest day to fly from Sioux Falls to London Heathrow Airport?

Travelers seeking maximum savings on their Sioux Falls to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from Sioux Falls to London Heathrow Airport?

Users have found that flying from Sioux Falls to London Heathrow Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Sioux Falls to London Heathrow Airport?

March can be a great time to fly to London Heathrow Airport from Sioux Falls with a flight ticket averaging about $1,069. Cheapflights users have found deals in the month of March for as cheap as $689. The most expensive prices can be found in the month of January.

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.

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.

$399+ Flights from Sioux Falls to London Heathrow Airport

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Cheap flight deals from Sioux Falls to Heathrow

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

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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. 27% potential increase in price ($390 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 July 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 julio 3, 2025.

dom. 8/172:30 pmFSD - LHR

1 stop16h 40mDelta

dom. 8/2411:30 amLHR - FSD

2 stops17h 36mDelta

Deal found 7/2

$675

dom. 8/175:27 amFSD - LHR

1 stop19h 18mKLM

dom. 8/249:20 amLHR - FSD

1 stop19h 46mKLM

Deal found 7/2

$683

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

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

mié. 10/111:19 amFSD - LHR

1 stop15h 01mLufthansa

mié. 10/88:30 amLHR - FSD

1 stop19h 52mLufthansa

Deal found 7/3

$1,696

Best flights from Sioux Falls to Heathrow
Discover carefully curated flight deals from Sioux Falls to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

dom. 8/172:30 pmFSD - LHR

1 stop16h 40mDelta

dom. 8/2411:30 amLHR - FSD

2 stops17h 36mDelta

Deal found 7/2

$675

dom. 8/175:27 amFSD - LHR

1 stop19h 18mKLM

dom. 8/249:20 amLHR - FSD

1 stop19h 46mKLM

Deal found 7/2

$683

vie. 8/1511:55 amFSD - LHR

1 stop15h 45mUnited Airlines

vie. 8/227:30 amLHR - FSD

2 stops18h 59mUnited Airlines

Deal found 7/1

$881

mié. 10/111:19 amFSD - LHR

1 stop15h 01mLufthansa

mié. 10/88:30 amLHR - FSD

1 stop19h 52mLufthansa

Deal found 7/3

$1,696

mié. 7/96:26 pmFSD - LHR

1 stop11h 19mMultiple Airlines

sáb. 7/128:10 pmLHR - FSD

2 stops33h 49mMultiple Airlines

Deal found 7/2

$2,048

Last-minute flights from Sioux Falls to Heathrow
Discover last-minute flight deals from Sioux Falls to Heathrow. Data last updated julio 3, 2025 and is based on user searches.

mié. 7/96:26 pmFSD - LHR

1 stop11h 19mMultiple Airlines

sáb. 7/128:10 pmLHR - FSD

2 stops33h 49mMultiple Airlines

Deal found 7/2

$2,048

mié. 7/92:00 pmFSD - LHR

2 stops38h 40mLufthansa

sáb. 7/127:25 amLHR - FSD

2 stops18h 55mLufthansa

Deal found 7/2

$2,548

vie. 8/1511:55 amFSD - LHR

1 stop15h 45mUnited Airlines

vie. 8/227:30 amLHR - FSD

2 stops18h 59mUnited Airlines

Deal found 7/1

$881

dom. 8/172:30 pmFSD - LHR

1 stop16h 40mDelta

dom. 8/2411:30 amLHR - FSD

2 stops17h 36mDelta

Deal found 7/2

$675

dom. 8/175:27 amFSD - LHR

1 stop19h 18mKLM

dom. 8/249:20 amLHR - FSD

1 stop19h 46mKLM

Deal found 7/2

$683

One-way flights from Sioux Falls to Heathrow
Search for one-way flight options from Sioux Falls to Heathrow. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

mié. 10/18:00 amFSD - LHR

2 stops21h 35mUnited Airlines

Deal found 7/3

$399

mié. 10/18:54 pmFSD - LHR

3 stops38h 51mMultiple Airlines

Deal found 7/3

$489

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to London Heathrow Airport that are best for you.

Fly from

Fly to

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?

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 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.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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!

KLM

7.8

Good

1,367 reviews

Delta

8.0

Very good

7,982 reviews

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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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!

Lufthansa

6.8

Okay

7,207 reviews

Delta

8.0

Very good

7,982 reviews

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

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

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Top airline flying from Sioux Falls to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$740	Average$1,115	FlexibilityNo cancel fee	On-time71%

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$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.

Find cheap flights from Sioux Falls to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to Heathrow

Cheapest flights from Sioux Falls to HeathrowExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to London Heathrow Airport that are best for you.

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.

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?

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.

Reviews of airlines servicing Heathrow

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.

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?

What are the cheapest airlines flying from Sioux Falls to London Heathrow Airport round-trip?

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

How can I find direct flights from Sioux Falls to Heathrow?

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

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

Traveling to a place near Sioux Falls?

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Alternative routes for Sioux Falls to Heathrow

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Top airline flying from Sioux Falls to Heathrow

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Travel Smart

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.