How long is the flight from South Dakota to United Kingdom?

The flight from South Dakota to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Sioux Falls (a popular airport in South Dakota) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 11h 25m on average. If you fly from Rapid City (another popular airport in South Dakota) to London Heathrow Airport, then the average flight time is 12h 25m.

What is the cheapest airline that flies from South Dakota to United Kingdom?

United Airlines, Iberia, and Aer Lingus are the most popular carriers operating from South Dakota to United Kingdom

When did momondo last update prices for flights from South Dakota to United Kingdom?

Prices for flights from South Dakota to United Kingdom are updated daily.

How many operators does momondo search for flights from South Dakota to United Kingdom?

As of May 2026, there are 2 operators available to choose from for flights from South Dakota to United Kingdom.

How old do you have to be to fly from South Dakota to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$345 Cheap Flights from South Dakota to the United Kingdom in 2026

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Find the cheapest flights from South Dakota to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:19 pm - 11:15 am

RAP

LHR

15h 56m

1 stop

12:55 pm - 9:35 pm

LHR

RAP

15h 40m

1 stop

$907Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

12:19 pm - 11:15 am

RAP

LHR

15h 56m

1 stop

12:55 pm - 9:35 pm

LHR

RAP

15h 40m

1 stop

$908Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

5:23 pm - 12:15 pm

FSD

LHR

12h 52m

1 stop

2:45 pm - 11:51 pm

LHR

FSD

15h 06m

1 stop

$908Iberia

Mon, Sep 7 - Tue, Sep 15

5:02 pm - 2:25 pm

RAP

LHR

14h 23m

1 stop

10:05 am - 9:35 pm

LHR

RAP

18h 30m

2 stops

$912American Airlines

Wed, Aug 12 - Wed, Aug 26

12:41 pm - 9:00 am

RAP

LHR

13h 19m

1 stop

10:05 am - 9:35 pm

LHR

RAP

18h 30m

2 stops

$913American Airlines

Wed, Aug 12 - Wed, Aug 26

12:30 pm - 10:50 am

FSD

LHR

16h 20m

1 stop

7:50 am - 11:51 pm

LHR

FSD

22h 01m

2 stops

$924Iberia

Sat, Sep 12 - Tue, Sep 22

9:36 am - 10:00 am

FSD

LHR

42h 24m

2 stops

6:50 am - 9:52 pm

LHR

FSD

21h 02m

2 stops

$947United Airlines

Sat, Sep 12 - Tue, Sep 22

9:36 am - 10:00 am

FSD

LHR

42h 24m

2 stops

6:50 am - 9:52 pm

LHR

FSD

21h 02m

2 stops

$948United Airlines

Sat, Sep 12 - Tue, Sep 22

1:00 pm - 8:10 am

FSD

LCY

13h 10m

2 stops

9:20 am - 7:44 pm

LCY

FSD

16h 24m

2 stops

$1,019KLM

Mon, Nov 9 - Mon, Nov 16

1:26 pm - 8:50 am

FSD

LCY

13h 24m

2 stops

9:20 am - 7:45 pm

LCY

FSD

16h 25m

2 stops

$1,086KLM

Sun, Aug 9 - Sat, Aug 29

Iberia flights from South Dakota to United Kingdom

Our best Iberia deals on South Dakota to United Kingdom flight tickets

Iberia

Sep 7

FSD5:23 pmSioux Falls Joe Foss Field

12h 52m

1 stop

LHR12:15 pmLondon Heathrow

Sep 15

LHR2:45 pmLondon Heathrow

15h 06m

1 stop

FSD11:51 pmSioux Falls Joe Foss Field

$908

Iberia

Sep 12

FSD12:30 pmSioux Falls Joe Foss Field

16h 20m

1 stop

LHR10:50 amLondon Heathrow

Sep 22

LHR7:50 amLondon Heathrow

22h 01m

2 stops

FSD11:51 pmSioux Falls Joe Foss Field

$924

Iberia

Sep 12

FSD6:00 pmSioux Falls Joe Foss Field

12h 15m

1 stop

LHR12:15 pmLondon Heathrow

Sep 22

LHR7:50 amLondon Heathrow

22h 01m

2 stops

FSD11:51 pmSioux Falls Joe Foss Field

$925

United Airlines flights from South Dakota to United Kingdom

Our best United Airlines deals on South Dakota to United Kingdom flight tickets

United Airlines

Sep 12

FSD6:41 pmSioux Falls Joe Foss Field

20h 39m

2 stops

LHR9:20 pmLondon Heathrow

Sep 22

LHR6:50 amLondon Heathrow

22h 02m

2 stops

FSD10:52 pmSioux Falls Joe Foss Field

$942

United Airlines

Sep 12

FSD9:36 amSioux Falls Joe Foss Field

42h 24m

2 stops

LHR10:00 amLondon Heathrow

Sep 22

LHR6:50 amLondon Heathrow

21h 02m

2 stops

FSD9:52 pmSioux Falls Joe Foss Field

$947

United Airlines

Sep 12

FSD9:36 amSioux Falls Joe Foss Field

42h 24m

2 stops

LHR10:00 amLondon Heathrow

Sep 22

LHR6:50 amLondon Heathrow

21h 02m

2 stops

FSD9:52 pmSioux Falls Joe Foss Field

$948

momondo Fare Finder

Use the filters below to find and compare flights from South Dakota to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:19 pm-11:15 am

1 stop15h 56m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$907

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:19 pm-11:15 am

1 stop15h 56m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$908

Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/7

5:23 pm-12:15 pm

1 stop12h 52m

London Heathrow

Tue 9/15

2:45 pm-11:51 pm

1 stop15h 06m

$908

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

5:02 pm-2:25 pm

1 stop14h 23m

London Heathrow

Wed 8/26

10:05 am-9:35 pm

2 stops18h 30m

$912

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:41 pm-9:00 am

1 stop13h 19m

London Heathrow

Wed 8/26

10:05 am-9:35 pm

2 stops18h 30m

$913

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

12:30 pm-10:50 am

1 stop16h 20m

London Heathrow

Tue 9/22

7:50 am-11:51 pm

2 stops22h 01m

$924

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

9:36 am-10:00 am

2 stops42h 24m

London Heathrow

Tue 9/22

6:50 am-9:52 pm

2 stops21h 02m

$947

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

9:36 am-10:00 am

2 stops42h 24m

London Heathrow

Tue 9/22

6:50 am-9:52 pm

2 stops21h 02m

$948

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 11/9

1:00 pm-8:10 am

2 stops13h 10m

London City

Mon 11/16

9:20 am-7:44 pm

2 stops16h 24m

$1,019

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 8/9

1:26 pm-8:50 am

2 stops13h 24m

London City

Sat 8/29

9:20 am-7:45 pm

2 stops16h 25m

$1,086

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Dakota to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to United Kingdom?

In general, July is the cheapest month to fly from South Dakota to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $511. If you aren’t able to travel to United Kingdom during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $591.

Can stopping save me money on South Dakota to United Kingdom flights?

You could potentially save up to 26% on your flight if you consider stops on a South Dakota to United Kingdom flight.

Cheap South Dakota to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to United Kingdom

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from South Dakota to United Kingdom takes 11h 25m

There are no direct flights from South Dakota to United Kingdom. There are no popular flight routes from South Dakota to United Kingdom.

Search flight deals

Frequently asked questions about flying from South Dakota to the United Kingdom

When did momondo last update prices for flights from South Dakota to United Kingdom?
Prices for flights from South Dakota to United Kingdom are updated daily.
How many operators does momondo search for flights from South Dakota to United Kingdom?
As of May 2026, there are 2 operators available to choose from for flights from South Dakota to United Kingdom.
How old do you have to be to fly from South Dakota to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from South Dakota to United Kingdom

Compare and see reviews for airlines that fly from South Dakota to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $654	Free Cancellation	Rating 7.4 9,717 reviews		Search United Airlines flights
American Airlines	PriceFrom $658	Free Cancellation	Rating 7.1 11,662 reviews		Search American Airlines flights

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Why should I use momondo to find a flight deal from South Dakota to United Kingdom?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to United Kingdom. momondo saves you time and could save you money on your trip.

Can I find flights from South Dakota to United Kingdom with flexible booking policies on momondo?

All flight searches from South Dakota to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from South Dakota to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from South Dakota to United Kingdom.

I’m not ready to book a flight from South Dakota to United Kingdom right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from South Dakota and alert you when they change.