Cheap flights from Iowa to London Heathrow Airport from £245

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
31 May — 7 Jun1
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 1 May 2026.

Tue 1/1214:39
CID
-
LHR
1 stop15h 21m
United Airlines
Thu 3/1206:50
LHR
-
CID
2 stops18h 22m
United Airlines
Deal found 26/4£593
Mon 16/1115:15
DSM
-
LHR
1 stop10h 40m
United Airlines
Wed 18/1106:50
LHR
-
DSM
2 stops18h 35m
United Airlines
Deal found 30/4£594
Sun 6/1217:15
OMA
-
LHR
1 stop34h 25m
United Airlines
Wed 9/1209:00
LHR
-
OMA
2 stops18h 29m
United Airlines
Deal found 27/4£602
Sun 27/914:36
DSM
-
LHR
1 stop11h 04m
Iberia
Tue 13/1007:50
LHR
-
DSM
2 stops18h 21m
Iberia
Deal found 29/4£643
Sun 6/1211:05
OMA
-
LHR
2 stops25h 25m
Scandinavian Airlines
Wed 9/1206:40
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 29/4£645
Wed 4/1111:00
MLI
-
LHR
1 stop13h 25m
Delta
Wed 11/1108:40
LHR
-
MLI
2 stops19h 50m
Delta
Deal found 28/4£645
Tue 10/1105:55
MLI
-
LHR
1 stop18h 30m
Virgin Atlantic
Tue 17/1106:30
LHR
-
MLI
2 stops22h 00m
Virgin Atlantic
Deal found 28/4£646
Mon 24/814:50
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Wed 2/919:30
LHR
-
OMA
2 stops31h 43m
Scandinavian Airlines
Deal found 1/5£648
Tue 8/911:53
LSE
-
LHR
1 stop14h 12m
British Airways
Tue 15/906:15
LHR
-
LSE
2 stops23h 00m
British Airways
Deal found 29/4£648
Wed 4/1114:50
OMA
-
LHR
2 stops24h 50m
Scandinavian Airlines
Fri 13/1106:40
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 27/4£650
Mon 5/1011:04
DSM
-
LHR
2 stops24h 36m
Scandinavian Airlines
Wed 2/1206:40
LHR
-
DSM
2 stops21h 49m
Scandinavian Airlines
Deal found 27/4£650
Tue 3/1118:25
OMA
-
LHR
1 stop11h 10m
British Airways
Fri 13/1108:25
LHR
-
OMA
2 stops21h 34m
British Airways
Deal found 27/4£656

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 1 May 2026.

Round-trip from

£643

One-way from

£245

Popular in

June

Cheapest in

January

Average price

£795
Iberia
  • Iberia
  • 27/9-13/10
  • 3 total stops
  • 29h 25m total
  • Iowa to London
British Airways
  • British Airways
  • 26/8
  • 1 total stop
  • 22h 35m total
  • Iowa to London
Highest demand for flights based on searches. 21% potential increase in price (£139 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in May 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 1 May 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

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:29-06:50

1 stop13h 21m

London Heathrow

Wed 30/9

13:10-23:03

1 stop15h 53m

£659

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 13/10

11:18-06:50

1 stop13h 32m

London Heathrow

Tue 20/10

11:10-23:19

1 stop18h 09m

£667

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 13/10

18:19-06:50

1 stop30h 31m

London Heathrow

Tue 20/10

06:15-17:54

2 stops17h 39m

£668

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

05:55-06:20

2 stops18h 25m

London Heathrow

Wed 30/9

11:20-22:30

2 stops17h 10m

£670

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sat 22/8

11:00-11:20

1 stop18h 20m

London Heathrow

Fri 28/8

06:30-22:30

2 stops22h 00m

£682

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 18/10

18:19-12:15

1 stop11h 56m

London Heathrow

Sun 25/10

07:30-23:19

2 stops20h 49m

£684

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 9/9

08:15-08:35

2 stops18h 20m

London Heathrow

Thu 17/9

06:55-18:10

2 stops17h 15m

£690

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 7/9

09:42-06:45

1 stop15h 03m

London Heathrow

Thu 17/9

07:25-18:10

2 stops16h 45m

£690

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 27/9

10:15-07:15

2 stops15h 00m

London Heathrow

Fri 2/10

06:30-17:42

2 stops17h 12m

£692

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 7/9

08:15-06:55

2 stops16h 40m

London Heathrow

Tue 15/9

06:55-23:07

2 stops22h 12m

£693

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 49 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 £393). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £653). 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 13h 32m. The distance between Iowa and London Heathrow Airport is about 3976 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Gulf Air, which is currently one of the cheapest options available, starting at £137. Etihad Airways flights start at £150 while deals on SAUDIA start at £151 one-way.

  • 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 £393). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £653). 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
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

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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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