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Cheap flights from Iowa to London from £248

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
14 May — 21 May1
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 April 2026.

Tue 1/906:15
DSM
-
LHR
1 stop19h 40m
United Airlines
Thu 3/906:50
LHR
-
DSM
2 stops18h 34m
United Airlines
Deal found 11/4£555
Tue 1/909:00
CID
-
LHR
1 stop18h 40m
United Airlines
Thu 3/906:50
LHR
-
CID
2 stops23h 38m
United Airlines
Deal found 11/4£555
Mon 31/820:30
DSM
-
LHR
2 stops18h 55m
United Airlines
Wed 2/906:50
LHR
-
DSM
2 stops18h 34m
United Airlines
Deal found 11/4£559
Wed 2/905:30
CID
-
LHR
1 stop25h 05m
United Airlines
Fri 4/906:50
LHR
-
CID
2 stops20h 39m
United Airlines
Deal found 11/4£560
Tue 20/1011:05
OMA
-
LHR
2 stops22h 55m
Scandinavian Airlines
Wed 28/1006:40
LHR
-
OMA
2 stops22h 27m
Scandinavian Airlines
Deal found 12/4£595
Mon 7/914:50
OMA
-
LHR
2 stops24h 50m
Scandinavian Airlines
Mon 14/906:40
LHR
-
OMA
2 stops23h 19m
Scandinavian Airlines
Deal found 12/4£613
Mon 5/1014:39
CID
-
LHR
2 stops13h 36m
United Airlines
Wed 7/1008:00
LHR
-
CID
1 stop19h 14m
United Airlines
Deal found 12/4£624
Wed 2/1214:50
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Wed 9/1206:40
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 11/4£640
Tue 13/1018:29
OMA
-
LHR
2 stops19h 11m
Lufthansa
Wed 21/1010:50
LHR
-
OMA
2 stops16h 39m
Lufthansa
Deal found 11/4£648
Tue 13/1011:59
OMA
-
LHR
1 stop15h 01m
Iberia
Wed 21/1006:15
LHR
-
OMA
2 stops18h 09m
Iberia
Deal found 11/4£648
Mon 28/918:15
DSM
-
LHR
1 stop10h 35m
Iberia
Tue 13/1007:50
LHR
-
DSM
2 stops18h 21m
Iberia
Deal found 11/4£648
Mon 24/815:04
CID
-
LHR
1 stop13h 26m
Iberia
Tue 15/906:15
LHR
-
CID
2 stops22h 56m
Iberia
Deal found 12/4£648

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 April 2026.

Round-trip from

£555

One-way from

£248

Popular in

June

Cheapest in

January

Average price

£577
United Airlines
  • United Airlines
  • 1/9-3/9
  • 3 total stops
  • 38h 14m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 20/7
  • 1 total stop
  • 17h 02m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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

Wed 23/9

06:30-08:35

2 stops20h 05m

London Heathrow

Wed 30/9

06:50-00:14

2 stops23h 24m

£650

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

06:15-11:55

1 stop23h 40m

London Heathrow

Wed 14/10

06:55-18:10

2 stops17h 15m

£652

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 4/10

06:15-06:45

1 stop18h 30m

London Heathrow

Thu 15/10

08:45-00:22

2 stops21h 37m

£652

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 30/9

06:15-06:30

2 stops18h 15m

London Heathrow

Thu 15/10

08:45-00:22

2 stops21h 37m

£654

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 24/8

18:25-11:55

1 stop11h 30m

London Heathrow

Tue 8/9

14:05-10:17

2 stops26h 12m

£658

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 27/9

14:15-21:40

2 stops25h 25m

London Heathrow

Fri 2/10

06:40-22:26

3 stops21h 46m

£667

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

15:04-11:15

1 stop14h 11m

London Heathrow

Tue 15/9

09:45-23:11

1 stop19h 26m

£673

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 25/8

15:16-12:25

1 stop15h 09m

London Heathrow

Thu 17/9

11:25-20:30

1 stop15h 05m

£673

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Sun 23/8

09:00-12:35

1 stop21h 35m

London Heathrow

Fri 11/9

11:05-17:15

1 stop12h 10m

£673

Cedar RapidsLondon

CID - LCY

CIDLCY

Cedar Rapids

Mon 24/8

12:05-08:50

2 stops14h 45m

London City

Tue 15/9

10:00-21:50

2 stops17h 50m

£743

Flights are sorted by cheapest return flights first.

Deals found on 12/4

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, August is the cheapest month in which you can book a flight from Iowa to London (average of £434). Flying from Iowa to London in February is currently the most expensive (average of £668). 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, Scandinavian Airlines, and British Airways can get you from Iowa to London in just under 20h 05m. Your travel time can differ by up to 8h 31m. Airlines will cover a distance of 4063 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 City.

  • 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, August is the cheapest month in which you can book a flight from Iowa to London (average of £434). Flying from Iowa to London in February is currently the most expensive (average of £668). 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?

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Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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?

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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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