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Cheap flights from Iowa to London from £228

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
13 Sep — 20 Sep1
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 August 2026.

Sun 6/1208:10 -
1 stop17h 45m
Tue 8/1206:50 -
2 stops20h 08m
Deal found 11/8£546
Sun 15/1109:55 -
1 stop16h 00m
Tue 17/1106:50 -
2 stops16h 38m
Deal found 13/8£554
Sun 15/1115:43 -
1 stop37h 32m
Wed 18/1106:50 -
2 stops16h 51m
Deal found 11/8£557
Sun 15/1118:43 -
2 stops34h 02m
Wed 18/1106:35 -
2 stops21h 22m
Deal found 13/8£565
Mon 7/1209:00 -
2 stops18h 10m
Wed 9/1207:30 -
2 stops19h 44m
Deal found 13/8£566
Sun 27/918:54 -
1 stop12h 21m
Tue 13/1008:40 -
2 stops18h 22m
Deal found 13/8£592
Sun 27/909:51 -
1 stop17h 14m
Tue 13/1011:00 -
1 stop14h 00m
Deal found 13/8£623
Wed 28/1009:26 -
1 stop18h 09m
Tue 3/1106:05 -
2 stops18h 49m
Deal found 10/8£634
Sat 7/1117:12 -
2 stops31h 58m
Tue 8/1206:35 -
2 stops20h 42m
Deal found 11/8£643
Fri 25/910:20 -
1 stop14h 50m
Fri 2/1012:25 -
1 stop14h 46m
Deal found 11/8£648
Wed 23/917:59 -
1 stop13h 06m
Wed 30/906:30 -
2 stops13h 36m
Deal found 9/8£651
Mon 7/1217:42 -
1 stop12h 18m
Fri 11/1207:30 -
2 stops19h 28m
Deal found 10/8£651

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 August 2026.

Round-trip from

£546

One-way from

£228

Popular in

June

Cheapest in

April

Average price

£597
United Airlines
  • United Airlines
  • 6/12-8/12
  • 3 total stops
  • 37h 53m total
  • Iowa to London
Search Deals
18/10
  • 18/10
  • 3 total stops
  • 55h 19m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 August 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 Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Sun 6/12

08:10-07:55

1 stop17h 45m

London Heathrow

Tue 8/12

06:50-20:58

2 stops20h 08m

£546

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 15/11

06:05-09:10

2 stops21h 05m

London Heathrow

Tue 17/11

06:50-17:28

2 stops16h 38m

£554

OmahaLondon

OMA Omaha Eppley Airfield - LHR London Heathrow

OMALHR

Omaha Eppley Airfield

Sun 15/11

13:48-07:25

3 stops35h 37m

London Heathrow

Wed 18/11

06:50-17:41

2 stops16h 51m

£566

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 7/12

14:39-10:05

2 stops13h 26m

London Heathrow

Wed 9/12

07:40-16:54

1 stop15h 14m

£570

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Tue 9/2

14:26-12:00

1 stop15h 34m

London Heathrow

Tue 16/2

06:50-17:41

2 stops16h 51m

£649

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Mon 7/12

17:42-12:00

1 stop12h 18m

London Heathrow

Fri 11/12

07:30-20:58

2 stops19h 28m

£651
Fastest return journey

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 23/9

17:59-13:05

1 stop13h 06m

London Heathrow

Wed 30/9

06:30-14:06

2 stops13h 36m

£652

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 23/9

14:46-13:15

2 stops16h 29m

London Heathrow

Wed 30/9

06:30-14:06

2 stops13h 36m

£660

Des MoinesLondon

DSM Des Moines - LCY London City

DSMLCY

Des Moines

Sun 27/9

10:59-07:55

2 stops14h 56m

London City

Tue 13/10

10:00-20:49

2 stops16h 49m

£678

Des MoinesLondon

DSM Des Moines - LCY London City

DSMLCY

Des Moines

Tue 6/10

19:51-16:40

2 stops14h 49m

London City

Tue 13/10

08:25-19:11

2 stops16h 46m

£678

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Iowa to London (average of £587). Flying from Iowa to London in June is currently the most expensive (average of £1,070). 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?

Airfare is typical for this route at the moment.
Iowa to London flights typically cost between £549 and £672 in November.
The cheapest return price found within the last 5 days was £554 on United Airlines (15 Nov–17 Nov).

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, KLM, and Delta can get you from Iowa to London in just under 13h 06m. Your travel time can differ by up to 4h 39m. Airlines will cover a distance of 4176 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Iowa to London one-way?

    To fly one-way, consider booking your trip with Gulf Air, which is currently one of the cheapest options available, starting at £138. SAUDIA flights start at £142 while deals on Etihad Airways start at £151 one-way.

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

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

  • 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, November is the cheapest month in which you can book a flight from Iowa to London (average of £587). Flying from Iowa to London in June is currently the most expensive (average of £1,070). 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
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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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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