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Cheap flights from Iowa to London from £244

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Iowa to London

Enter your travel dates to find the best prices.

Cheapest flights from Iowa to London
Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Sat 17/1017:19
OMA
-
LHR
1 stop34h 21m
United Airlines
Tue 20/1006:50
LHR
-
OMA
2 stops22h 09m
United Airlines
Deal found 11/7£562
Sat 31/1017:11
DSM
-
LHR
1 stop35h 29m
United Airlines
Tue 3/1106:50
LHR
-
DSM
2 stops16h 33m
United Airlines
Deal found 12/7£562
Sat 31/1018:52
DSM
-
LHR
2 stops30h 38m
Multiple Airlines
Tue 3/1106:30
LHR
-
DSM
2 stops16h 53m
Multiple Airlines
Deal found 12/7£577
Sun 6/1217:42
MLI
-
LHR
1 stop32h 13m
United Airlines
Wed 9/1207:30
LHR
-
MLI
2 stops32h 44m
United Airlines
Deal found 9/7£610
Tue 17/1118:52
DSM
-
LHR
2 stops31h 13m
Lufthansa
Fri 20/1107:30
LHR
-
DSM
2 stops21h 32m
Lufthansa
Deal found 12/7£629
Wed 18/1114:55
OMA
-
LHR
1 stop34h 45m
United Airlines
Sat 21/1106:50
LHR
-
OMA
2 stops18h 57m
United Airlines
Deal found 9/7£637
Mon 2/1118:40
MLI
-
LHR
1 stop11h 20m
United Airlines
Fri 20/1106:50
LHR
-
MLI
2 stops16h 53m
United Airlines
Deal found 13/7£647
Wed 21/1018:55
DSM
-
LHR
2 stops18h 45m
Lufthansa
Thu 29/1011:10
LHR
-
DSM
2 stops16h 52m
Lufthansa
Deal found 9/7£650
Sun 6/918:01
OMA
-
LGW
1 stop33h 59m
Multiple Airlines
Sun 20/914:00
LGW
-
OMA
2 stops35h 46m
Multiple Airlines
Deal found 10/7£650
Tue 27/1012:04
OMA
-
LHR
1 stop13h 46m
Iberia
Tue 3/1107:30
LHR
-
OMA
2 stops17h 50m
Iberia
Deal found 12/7£651
Tue 10/1109:26
DSM
-
LHR
1 stop18h 59m
Iberia
Tue 17/1107:30
LHR
-
DSM
2 stops17h 39m
Iberia
Deal found 11/7£651
Wed 21/1011:27
DSM
-
LHR
1 stop13h 48m
Delta
Thu 29/1008:40
LHR
-
DSM
2 stops17h 11m
Delta
Deal found 9/7£654

Find flight deals from Iowa to London

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated 14 July 2026.

Round-trip from

£562

One-way from

£244

Popular in

June

Cheapest in

August

Average price

£856
United Airlines
  • United Airlines
  • 17/10-20/10
  • 3 total stops
  • 56h 30m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 20/10
  • 1 total stop
  • 19h 24m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£152 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Iowa 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 858,174 searches. Data last updated 14 July 2026.
Use the filters below to find and compare flights from Iowa to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 6/12

17:42-07:55

1 stop32h 13m

London Heathrow

Wed 9/12

07:30-20:58

2 stops19h 28m

£611

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 21/10

18:50-10:50

1 stop10h 00m

London Heathrow

Tue 27/10

06:05-23:59

2 stops22h 54m

£657

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 11/11

13:50-13:30

2 stops17h 40m

London Heathrow

Mon 16/11

11:05-17:34

2 stops36h 29m

£664

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

12:23-09:05

1 stop14h 42m

London Heathrow

Tue 13/10

07:50-23:59

2 stops22h 09m

£664

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Wed 23/9

17:16-16:00

2 stops16h 44m

London Gatwick

Wed 30/9

10:25-22:30

2 stops18h 05m

£669

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 30/12

14:58-10:15

1 stop13h 17m

London Heathrow

Wed 6/1

16:40-17:21

2 stops30h 41m

£681

Des MoinesLondon

DSM - LCY

DSMLCY

Des Moines

Tue 6/10

18:55-17:55

2 stops17h 00m

London City

Tue 13/10

09:15-23:35

2 stops20h 20m

£686

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

06:00-07:10

2 stops19h 10m

London Heathrow

Wed 30/9

11:45-22:30

2 stops16h 45m

£686

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Thu 22/10

11:27-07:15

1 stop13h 48m

London Heathrow

Fri 30/10

08:40-19:11

2 stops15h 31m

£692

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Thu 22/10

11:21-09:20

2 stops15h 59m

London Heathrow

Wed 28/10

06:50-17:34

2 stops15h 44m

£695

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Iowa to London

Have a flexible travel schedule? Discover the best time to fly to London from Iowa with our price prediction graph.
Estimated return 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 Iowa to London

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

Currently, December is the cheapest month in which you can book a flight from Iowa to London (average of £336). Flying from Iowa to London in June is currently the most expensive (average of £784). 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.

How much does it cost for a return flight from Iowa to London?

Related info for your journey

Find useful and relevant information for your journey from Iowa to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Iowa to London?

    United Airlines, British Airways, and Delta can get you from Iowa to London in just under 10h. Your travel time can differ by up to 22h 13m. Airlines will cover a distance of 3976 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Iowa to London?

    The most popular route from Iowa to London is Des Moines - London Heathrow. You may also consider Omaha Eppley Airfield - London Heathrow or Des Moines - London Gatwick.

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

    Yes. In addition to deals on Iowa to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Iowa to London?

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

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

    Yes. Cheapflights offers flight deals from Iowa 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 Iowa to London?

    Currently, December is the cheapest month in which you can book a flight from Iowa to London (average of £336). Flying from Iowa to London in June is currently the most expensive (average of £784). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Borehamwood
Southend-on-Sea
Uxbridge

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Alternative routes for Iowa to London

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Fly with Cheapflights

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How does Cheapflights help users find flights from Iowa to London?

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Why should you use Cheapflights to find cheap flight tickets from Iowa to London?

Cheapflights simply makes it quick and affordable to book flights from Iowa to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Iowa to London with no change fees?

Yes, we can. To see specific flights from Iowa to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Iowa to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Iowa today and book when prices fit your budget.

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