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Cheap flights from Iowa to London Heathrow Airport from £242

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
7 Jun — 14 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 8 May 2026.

Tue 8/915:25
OMA
-
LHR
1 stop16h 45m
United Airlines
Thu 10/906:50
LHR
-
OMA
2 stops16h 29m
United Airlines
Deal found 5/5£594
Mon 16/1111:30
DSM
-
LHR
1 stop18h 30m
United Airlines
Wed 18/1106:50
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 5/5£594
Tue 8/1208:00
DSM
-
LHR
3 stops18h 25m
United Airlines
Thu 10/1207:30
LHR
-
DSM
2 stops17h 55m
United Airlines
Deal found 7/5£607
Mon 24/814:41
OMA
-
LHR
2 stops20h 59m
Scandinavian Airlines
Wed 2/918:40
LHR
-
OMA
2 stops32h 33m
Scandinavian Airlines
Deal found 7/5£632
Tue 8/910:26
DSM
-
LHR
1 stop15h 39m
Iberia
Tue 3/1110:05
LHR
-
DSM
2 stops19h 39m
Iberia
Deal found 3/5£642
Mon 19/1009:37
DSM
-
LHR
1 stop16h 03m
Iberia
Tue 27/1006:05
LHR
-
DSM
2 stops19h 06m
Iberia
Deal found 5/5£643
Tue 29/909:24
OMA
-
LHR
1 stop16h 16m
Iberia
Tue 20/1011:30
LHR
-
OMA
2 stops18h 00m
Iberia
Deal found 7/5£643
Sun 1/1107:00
OMA
-
LHR
2 stops29h 30m
Scandinavian Airlines
Sun 15/1106:40
LHR
-
OMA
2 stops20h 37m
Scandinavian Airlines
Deal found 7/5£645
Wed 23/911:00
MLI
-
LHR
1 stop20h 15m
Delta
Wed 30/908:40
LHR
-
MLI
2 stops19h 50m
Delta
Deal found 7/5£646
Sun 27/911:04
DSM
-
LHR
2 stops28h 36m
Scandinavian Airlines
Thu 1/1006:40
LHR
-
DSM
2 stops21h 46m
Scandinavian Airlines
Deal found 3/5£649
Tue 20/1011:18
LSE
-
LHR
1 stop15h 47m
British Airways
Wed 4/1108:25
LHR
-
LSE
2 stops21h 24m
British Airways
Deal found 5/5£649
Sun 6/912:00
OMA
-
LHR
2 stops27h 40m
Scandinavian Airlines
Fri 11/906:40
LHR
-
OMA
2 stops23h 19m
Scandinavian Airlines
Deal found 5/5£651

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 8 May 2026.

Round-trip from

£594

One-way from

£242

Popular in

June

Cheapest in

January

Average price

£796
United Airlines
  • United Airlines
  • 8/9-10/9
  • 3 total stops
  • 33h 14m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 15/9
  • 1 total stop
  • 11h 04m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 8 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

11:00-13:15

1 stop20h 15m

London Heathrow

Wed 30/9

08:40-22:30

2 stops19h 50m

£646

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 20/10

18:19-18:55

2 stops18h 36m

London Heathrow

Wed 4/11

11:25-23:49

2 stops18h 24m

£654

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 4/11

11:10-12:15

1 stop19h 05m

London Heathrow

Wed 11/11

15:45-10:53

1 stop25h 08m

£660

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

18:38-10:50

1 stop10h 12m

London Heathrow

Wed 30/9

12:15-23:03

1 stop16h 48m

£660

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

£660

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

11:47-11:15

1 stop17h 28m

London Heathrow

Tue 15/9

12:15-17:47

1 stop11h 32m

£667

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

11:47-11:15

1 stop17h 28m

London Heathrow

Tue 15/9

15:15-23:11

1 stop13h 56m

£667

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 2/9

17:00-13:15

1 stop14h 15m

London Heathrow

Mon 7/9

09:55-22:30

2 stops18h 35m

£682

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 2/11

11:00-09:00

2 stops16h 00m

London Heathrow

Mon 9/11

08:40-22:30

2 stops19h 50m

£689

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 6/9

12:00-06:25

1 stop12h 25m

London Heathrow

Wed 9/9

06:30-16:58

2 stops16h 28m

£691

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 59 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 18h 36m. The distance between Iowa and London Heathrow Airport is about 3976 mi. This flight may include one or multiple stops.

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

    Most travelers choose Omaha Eppley Airfield - London Heathrow, Des Moines - London Heathrow or Cedar Rapids - London Heathrow when deciding on the best route 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.
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Los Angeles to Stansted flights
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Los Angeles to London City flights
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Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
San Francisco to London City flights
San Francisco to Stansted flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Stansted flights
Seattle to Gatwick flights
O'Hare Intl to London City flights
Boston to Luton flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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