Cheap flights from Iowa to London Heathrow Airport from £231

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Iowa to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Iowa to Heathrow
Explore the most affordable flight options available from Iowa to Heathrow. 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
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
Tue 13/1018:30
OMA
-
LHR
2 stops19h 10m
Lufthansa
Tue 27/1008:45
LHR
-
OMA
2 stops19h 29m
Lufthansa
Deal found 11/6£650

Find flight deals from Iowa to Heathrow

Keep the following information in mind while searching for Iowa to Heathrow flight deals. Data was last updated 11 June 2026.

Round-trip from

£558

One-way from

£231

Popular in

June

Cheapest in

August

Average price

£1,224
United Airlines
  • United Airlines
  • 24/11-26/11
  • 4 total stops
  • 36h 53m total
  • Iowa to London
25/7
  • 25/7
  • 2 total stops
  • 33h 55m 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 Heathrow 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 Heathrow Airport 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

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

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

18:19-11:15

1 stop10h 56m

London Heathrow

Tue 13/10

14:45-23:19

1 stop14h 34m

£669

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

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 3/8

05:30-06:25

1 stop18h 55m

London Heathrow

Wed 19/8

06:30-16:57

2 stops16h 27m

£699

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 23/8

05:40-06:25

1 stop18h 45m

London Heathrow

Fri 4/12

06:30-19:12

2 stops18h 42m

£699

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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from Iowa to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £400). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £663). 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 Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Iowa to Heathrow. 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 Heathrow Airport?

    Departing from Iowa to London Heathrow Airport will take you 17h 30m. The distance between Iowa and London Heathrow Airport is about 4176 mi. This flight may include one or multiple stops.

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

  • Can I find deals for flights from Iowa to Heathrow that include hotel bookings?

    Yes. In addition to deals on Iowa to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Iowa to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to Heathrow.

  • Can I find deals for business class flights from Iowa to Heathrow?

    Yes. Cheapflights offers flight deals from Iowa to Heathrow 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 Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £400). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £663). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Poole
Guildford
Romford

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Alternative routes for Iowa to Heathrow

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 Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Iowa to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Iowa to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Iowa.

Can Cheapflights find flights from Iowa to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Iowa to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Iowa to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Iowa to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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