Cheap flights from Iowa to London from £161

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
29 Mar — 5 Apr1
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 27 February 2026.

Sat 12/917:15
OMA
-
LHR
2 stops31h 15m
United Airlines
Mon 14/916:25
LHR
-
OMA
2 stops30h 56m
United Airlines
Deal found 25/2£407
Mon 5/1015:15
DSM
-
LHR
2 stops13h 00m
United Airlines
Wed 7/1010:00
LHR
-
DSM
1 stop18h 30m
United Airlines
Deal found 27/2£423
Mon 12/1018:29
OMA
-
LHR
2 stops15h 11m
Lufthansa
Thu 22/1009:30
LHR
-
OMA
2 stops19h 44m
Lufthansa
Deal found 25/2£479
Tue 1/918:50
DSM
-
LHR
2 stops18h 50m
Lufthansa
Tue 15/907:25
LHR
-
DSM
2 stops19h 47m
Lufthansa
Deal found 27/2£484
Tue 1/918:45
CID
-
LHR
2 stops18h 55m
Lufthansa
Tue 15/907:25
LHR
-
CID
2 stops19h 49m
Lufthansa
Deal found 27/2£484
Sat 12/918:29
OMA
-
LCY
2 stops17h 26m
Lufthansa
Mon 14/909:15
LCY
-
OMA
2 stops17h 10m
Lufthansa
Deal found 25/2£489
Wed 19/808:10
MLI
-
LHR
2 stops16h 45m
United Airlines
Wed 23/908:40
LHR
-
MLI
2 stops21h 19m
United Airlines
Deal found 24/2£490
Tue 18/818:50
DSM
-
LHR
2 stops16h 50m
Lufthansa
Tue 1/910:50
LHR
-
DSM
2 stops19h 44m
Lufthansa
Deal found 27/2£492
Wed 2/918:45
CID
-
LHR
2 stops16h 55m
Lufthansa
Wed 16/907:25
LHR
-
CID
2 stops19h 49m
Lufthansa
Deal found 27/2£492
Mon 12/1017:15
OMA
-
LHR
1 stop13h 05m
United Airlines
Thu 22/1008:45
LHR
-
OMA
2 stops20h 29m
United Airlines
Deal found 25/2£496
Wed 15/418:31
DSM
-
LHR
1 stop12h 44m
Virgin Atlantic
Wed 29/410:45
LHR
-
DSM
1 stop15h 54m
Virgin Atlantic
Deal found 25/2£499
Wed 26/818:29
OMA
-
LHR
2 stops17h 11m
Lufthansa
Mon 31/819:30
LHR
-
OMA
2 stops27h 51m
Lufthansa
Deal found 25/2£500

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 27 February 2026.

Round-trip from

£490

One-way from

£161

Popular in

December

Cheapest in

January

Average price

£582
United Airlines
  • United Airlines
  • 19/8-23/9
  • 4 total stops
  • 38h 04m total
  • Iowa to London
British Airways
  • British Airways
  • 19/8
  • 1 total stop
  • 13h 12m total
  • Iowa to London
Highest demand for flights based on searches. 2% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in February 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 27 February 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

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Fri 10/4

06:30-06:30

2 stops18h 00m

London Heathrow

Fri 17/4

06:55-17:06

2 stops16h 11m

£533

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 29/4

15:59-12:05

2 stops14h 06m

London Heathrow

Tue 5/5

09:55-20:59

2 stops17h 04m

£536

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

10:34-07:15

2 stops14h 41m

London Heathrow

Fri 8/5

09:55-20:36

2 stops16h 41m

£536

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 26/4

15:01-11:35

1 stop14h 34m

London Heathrow

Tue 5/5

06:50-17:42

2 stops16h 52m

£539

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 15/4

18:31-13:15

1 stop12h 44m

London Heathrow

Wed 22/4

09:55-20:39

2 stops16h 44m

£540

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 28/4

10:34-07:10

1 stop14h 36m

London Heathrow

Wed 6/5

06:30-21:12

2 stops20h 42m

£540

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Mon 27/4

14:44-09:25

2 stops36h 41m

London Gatwick

Wed 6/5

10:25-21:12

2 stops16h 47m

£542

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Mon 27/4

14:44-09:25

2 stops36h 41m

London Gatwick

Tue 5/5

10:35-20:39

2 stops16h 04m

£542

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 12/4

12:51-09:05

1 stop14h 14m

London Heathrow

Sun 19/4

15:15-23:54

1 stop14h 39m

£545

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Thu 26/3

06:30-07:10

2 stops19h 40m

London Heathrow

Thu 2/4

11:05-21:06

1 stop16h 01m

£548

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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, August is the cheapest month in which you can book a flight from Iowa to London (average of £432). Flying from Iowa to London in February is currently the most expensive (average of £608). 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, Delta, and Virgin Atlantic can get you from Iowa to London in just under 12h 44m. Your travel time can differ by up to 5h 16m. 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, August is the cheapest month in which you can book a flight from Iowa to London (average of £432). Flying from Iowa to London in February is currently the most expensive (average of £608). 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
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Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Romford
Folkestone

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Alternative routes for Iowa to London

See prices for flight routes from nearby airports that may be better suited for you.

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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