Cheap flights from Iowa to London from £218

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
11 Jul — 18 Jul1
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 11 June 2026.

Mon 9/1106:15
DSM
-
LHR
2 stops20h 10m
United Airlines
Wed 11/1106:50
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 7/6£558
Mon 16/1118:29
OMA
-
LHR
2 stops15h 21m
Lufthansa
Wed 18/1107:40
LHR
-
OMA
2 stops18h 45m
Lufthansa
Deal found 6/6£560
Sun 22/1120:15
DSM
-
LHR
1 stop29h 40m
United Airlines
Wed 25/1106:50
LHR
-
DSM
2 stops22h 11m
United Airlines
Deal found 8/6£562
Wed 25/1106:15
DSM
-
LHR
2 stops22h 10m
United Airlines
Fri 27/1109:00
LHR
-
DSM
2 stops16h 25m
United Airlines
Deal found 8/6£563
Thu 17/918:31
OMA
-
LGW
1 stop33h 29m
Multiple Airlines
Wed 23/914:00
LGW
-
OMA
1 stop33h 41m
Multiple Airlines
Deal found 9/6£606
Mon 23/1105:00
DSM
-
LHR
2 stops19h 30m
Air Canada
Fri 27/1108:45
LHR
-
DSM
2 stops20h 16m
Air Canada
Deal found 8/6£620
Mon 19/1019:00
OMA
-
LHR
1 stop32h 40m
United Airlines
Thu 22/1007:25
LHR
-
OMA
2 stops16h 09m
United Airlines
Deal found 9/6£625
Tue 24/1120:15
DSM
-
LHR
1 stop29h 40m
United Airlines
Fri 27/1106:35
LHR
-
DSM
2 stops16h 58m
United Airlines
Deal found 11/6£625
Mon 23/1114:15
DSM
-
LHR
1 stop11h 35m
KLM
Fri 27/1111:45
LHR
-
DSM
2 stops15h 39m
KLM
Deal found 8/6£644
Mon 23/1118:45
DSM
-
LHR
2 stops18h 50m
Lufthansa
Fri 27/1108:45
LHR
-
DSM
2 stops18h 32m
Lufthansa
Deal found 11/6£645
Mon 23/1109:04
DSM
-
LHR
1 stop17h 31m
Iberia
Fri 27/1107:30
LHR
-
DSM
2 stops17h 05m
Iberia
Deal found 7/6£648
Wed 21/1013:24
DSM
-
LHR
2 stops14h 31m
Lufthansa
Thu 29/1008:45
LHR
-
DSM
2 stops20h 55m
Lufthansa
Deal found 10/6£649

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 11 June 2026.

Round-trip from

£558

One-way from

£218

Popular in

June

Cheapest in

August

Average price

£1,224
United Airlines
  • United Airlines
  • 9/11-11/11
  • 4 total stops
  • 36h 53m total
  • Iowa to London
24/7
  • 24/7
  • 2 total stops
  • 58h 30m total
  • Iowa to London
Highest demand for flights based on searches. 22% potential increase in price (£159 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£35 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 11 June 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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 24/11

08:00-07:30

1 stop17h 30m

London Heathrow

Thu 26/11

06:50-19:25

2 stops18h 35m

£558

OmahaLondon

OMA - LGW

OMALGW

Omaha Eppley Airfield

Thu 17/9

18:31-10:00

1 stop33h 29m

London Gatwick

Wed 23/9

14:00-17:41

1 stop33h 41m

£606

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

06:00-06:25

1 stop18h 25m

London Heathrow

Wed 30/9

06:30-16:29

2 stops15h 59m

£654

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:09-11:20

1 stop18h 11m

London Heathrow

Wed 30/9

09:55-22:24

2 stops18h 29m

£654

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 15/9

08:00-06:30

2 stops16h 30m

London Heathrow

Tue 22/9

06:50-17:25

2 stops16h 35m

£656

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 16/9

06:29-06:30

2 stops18h 01m

London Heathrow

Fri 16/10

07:25-17:33

2 stops16h 08m

£657

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

12:08-10:55

1 stop16h 47m

London Heathrow

Wed 30/9

12:55-23:18

1 stop16h 23m

£668

OmahaLondon

OMA - LCY

OMALCY

Omaha Eppley Airfield

Tue 15/9

10:56-07:55

2 stops14h 59m

London City

Tue 22/9

10:00-20:51

2 stops16h 51m

£675

OmahaLondon

OMA - LCY

OMALCY

Omaha Eppley Airfield

Mon 19/10

18:30-17:55

2 stops17h 25m

London City

Thu 22/10

09:15-20:13

2 stops16h 58m

£679

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 2/12

08:15-05:55

1 stop15h 40m

London Heathrow

Thu 3/12

18:00-13:42

2 stops25h 42m

£680

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, February is the cheapest month in which you can book a flight from Iowa to London (average of £391). Flying from Iowa to London in June is currently the most expensive (average of £511). 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, KLM, and Delta can get you from Iowa to London in just under 17h 30m. Your travel time can differ by up to 55m. Airlines will cover a distance of 4176 mi. This flight may include one or multiple stops.

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

  • 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, February is the cheapest month in which you can book a flight from Iowa to London (average of £391). Flying from Iowa to London in June is currently the most expensive (average of £511). 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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Borehamwood
Folkestone
Southall

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Alternative routes for Iowa to London

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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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