Cheap flights from Iowa to London from £207

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
14 Apr — 21 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 15 March 2026.

Sun 6/1217:03
DSM
-
LHR
1 stop34h 37m
United Airlines
Wed 9/1209:00
LHR
-
DSM
2 stops16h 25m
United Airlines
Deal found 12/3£498
Wed 19/811:33
MLI
-
LHR
1 stop13h 17m
Multiple Airlines
Wed 23/912:55
LHR
-
MLI
1 stop27h 21m
Multiple Airlines
Deal found 12/3£563
Tue 1/918:50
MLI
-
LHR
2 stops18h 50m
Lufthansa
Wed 9/906:30
LHR
-
MLI
2 stops16h 26m
Lufthansa
Deal found 12/3£568
Mon 3/812:57
OMA
-
LHR
2 stops15h 43m
Lufthansa
Fri 21/806:55
LHR
-
OMA
2 stops19h 47m
Lufthansa
Deal found 12/3£569
Wed 5/818:50
CID
-
LHR
2 stops16h 50m
Lufthansa
Fri 21/807:25
LHR
-
CID
2 stops20h 04m
Lufthansa
Deal found 12/3£569
Wed 23/909:34
DSM
-
LHR
1 stop21h 16m
Multiple Airlines
Fri 2/1013:45
LHR
-
DSM
1 stop16h 20m
Multiple Airlines
Deal found 11/3£571
Mon 3/812:06
OMA
-
LHR
1 stop18h 04m
Multiple Airlines
Fri 21/812:55
LHR
-
OMA
1 stop16h 07m
Multiple Airlines
Deal found 12/3£572
Tue 28/418:31
DSM
-
LHR
1 stop12h 44m
Virgin Atlantic
Tue 5/509:20
LHR
-
DSM
1 stop14h 25m
Virgin Atlantic
Deal found 14/3£581
Mon 31/814:50
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Mon 7/906:40
LHR
-
OMA
2 stops20h 33m
Scandinavian Airlines
Deal found 15/3£585
Mon 30/1114:26
MLI
-
LHR
1 stop11h 29m
United Airlines
Thu 10/1206:35
LHR
-
MLI
2 stops17h 16m
United Airlines
Deal found 14/3£585
Mon 9/1113:45
OMA
-
LHR
1 stop13h 55m
United Airlines
Fri 13/1106:50
LHR
-
OMA
2 stops16h 31m
United Airlines
Deal found 11/3£586
Wed 1/410:35
MLI
-
LHR
1 stop14h 10m
United Airlines
Wed 8/409:00
LHR
-
MLI
2 stops18h 11m
United Airlines
Deal found 12/3£586

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 15 March 2026.

Round-trip from

£563

One-way from

£207

Popular in

June

Cheapest in

January

Average price

£646
19/8-23/9
  • 19/8-23/9
  • 2 total stops
  • 40h 38m total
  • Iowa to London
British Airways
  • British Airways
  • 24/8
  • 1 total stop
  • 12h 52m total
  • Iowa to London
Highest demand for flights based on searches. 17% potential increase in price (£106 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in March 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 15 March 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 1/4

10:35-06:45

1 stop14h 10m

London Heathrow

Wed 8/4

09:00-21:11

2 stops18h 11m

£586

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 7/4

12:51-11:15

1 stop16h 24m

London Heathrow

Thu 7/5

13:10-23:54

1 stop16h 44m

£608

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 5/8

06:00-05:55

2 stops17h 55m

London Heathrow

Wed 19/8

14:10-21:12

1 stop13h 02m

£608

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 5/8

11:28-06:45

1 stop13h 17m

London Heathrow

Fri 21/8

11:25-20:30

1 stop15h 05m

£608

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 22/4

17:01-11:15

1 stop12h 14m

London Heathrow

Wed 29/4

15:15-23:49

1 stop14h 34m

£609

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 27/4

15:20-08:30

1 stop11h 10m

London Heathrow

Mon 4/5

15:30-18:00

2 stops32h 30m

£609

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 19/8

13:33-10:40

2 stops15h 07m

London Heathrow

Wed 23/9

08:00-18:01

1 stop16h 01m

£611

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

12:00-06:50

1 stop12h 50m

London Heathrow

Fri 8/5

15:15-23:49

1 stop14h 34m

£615

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 6/4

13:55-06:45

1 stop10h 50m

London Heathrow

Sun 12/4

07:25-21:12

2 stops19h 47m

£623
Fastest return journey

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 4/8

18:50-11:55

1 stop11h 05m

London Heathrow

Tue 18/8

08:00-14:05

1 stop12h 05m

£627

Flights are sorted by cheapest return flights first.

Deals found on 13/3

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 £440). Flying from Iowa to London in February is currently the most expensive (average of £679). 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.

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?

    Lufthansa, United Airlines, and British Airways can get you from Iowa to London in just under 14h 10m. Your travel time can differ by up to 6h 55m. 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?

  • 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 £440). Flying from Iowa to London in February is currently the most expensive (average of £679). 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

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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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