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Cheap flights from Iowa to London Heathrow Airport from £243

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
7 Sep — 14 Sep1
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 August 2026.

Sun 15/1115:43 -
1 stop37h 32m
Wed 18/1106:50 -
2 stops16h 51m
Deal found 6/8£558
Mon 7/1209:00 -
2 stops18h 10m
Wed 9/1207:30 -
2 stops19h 44m
Deal found 6/8£567
Mon 21/918:54 -
1 stop12h 21m
Tue 6/1010:45 -
1 stop12h 10m
Deal found 7/8£617
Thu 5/1106:55 -
1 stop18h 10m
Thu 12/1108:55 -
1 stop15h 10m
Deal found 4/8£619
Mon 21/905:45 -
2 stops22h 15m
Tue 6/1014:05 -
2 stops15h 30m
Deal found 7/8£622
Mon 21/917:59 -
1 stop13h 06m
Mon 28/908:55 -
2 stops19h 31m
Deal found 7/8£632
Tue 22/914:44 -
1 stop10h 56m
Tue 29/906:15 -
2 stops23h 49m
Deal found 6/8£633
Wed 7/1008:07 -
1 stop17h 48m
Wed 21/1006:15 -
2 stops24h 16m
Deal found 4/8£635
Tue 20/1011:27 -
2 stops13h 03m
Tue 3/1111:10 -
2 stops16h 30m
Deal found 3/8£640
Mon 21/914:29 -
1 stop11h 11m
Mon 28/920:00 -
2 stops29h 21m
Deal found 7/8£641
Wed 7/1013:03 -
2 stops14h 32m
Wed 21/1010:50 -
2 stops18h 09m
Deal found 4/8£644
Mon 7/1217:42 -
1 stop12h 18m
Fri 11/1207:30 -
2 stops19h 28m
Deal found 6/8£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 August 2026.

Round-trip from

£558

One-way from

£243

Popular in

June

Cheapest in

April

Average price

£598
United Airlines
  • United Airlines
  • 15/11-18/11
  • 3 total stops
  • 54h 23m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 8/11
  • 1 total stop
  • 15h 56m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 August 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

OmahaLondon

OMA Omaha Eppley Airfield - LHR London Heathrow

OMALHR

Omaha Eppley Airfield

Sun 15/11

15:43-11:15

1 stop37h 32m

London Heathrow

Wed 18/11

06:50-17:41

2 stops16h 51m

£558

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 7/12

09:00-09:10

2 stops18h 10m

London Heathrow

Wed 9/12

07:30-21:14

2 stops19h 44m

£567

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Mon 7/12

17:42-12:00

1 stop12h 18m

London Heathrow

Fri 11/12

07:30-20:58

2 stops19h 28m

£651

OmahaLondon

OMA Omaha Eppley Airfield - LHR London Heathrow

OMALHR

Omaha Eppley Airfield

Wed 3/2

05:35-06:25

1 stop18h 50m

London Heathrow

Thu 11/2

06:30-19:44

2 stops19h 14m

£658

La CrosseLondon

LSE La Crosse - LHR London Heathrow

LSELHR

La Crosse

Wed 21/10

18:50-12:15

1 stop11h 25m

London Heathrow

Tue 27/10

06:05-23:59

2 stops22h 54m

£660

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Wed 23/9

06:00-07:10

2 stops19h 10m

London Heathrow

Wed 30/9

06:30-16:29

2 stops15h 59m

£661

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 28/9

15:11-08:30

1 stop11h 19m

London Heathrow

Mon 5/10

17:55-21:23

2 stops33h 28m

£667

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 6/12

15:15-12:00

1 stop14h 45m

London Heathrow

Mon 14/12

11:05-19:25

2 stops38h 20m

£667

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Mon 7/12

06:00-08:05

2 stops20h 05m

London Heathrow

Mon 14/12

17:35-16:28

2 stops28h 53m

£669

La CrosseLondon

LSE La Crosse - LHR London Heathrow

LSELHR

La Crosse

Tue 6/10

12:23-06:50

1 stop12h 27m

London Heathrow

Tue 13/10

13:10-23:59

1 stop16h 49m

£678

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 56 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £549). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £984). 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?

Airfare is below average for this route at the moment.
Iowa to London Heathrow Airport flights typically cost between £659 and £1,031 in September.
The cheapest return price found within the last 5 days was £617 on Virgin Atlantic (21 Sept–6 Oct).

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 12h 21m. 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?

    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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £549). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £984). 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
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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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Boston to Gatwick flights
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Dulles Intl to Gatwick flights
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Los Angeles to Gatwick flights
Dulles Intl to London City flights
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Hobby to Heathrow flights
Boston to London City flights
Los Angeles to Stansted flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Boston to Stansted flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to London City flights
Raleigh to Heathrow flights
O'Hare Intl to Stansted flights
Sky Harbor Intl to Heathrow flights
San Francisco to Stansted flights
Seattle to Gatwick flights
San Francisco to London City flights
Charlotte to Heathrow flights
Orlando to Gatwick flights

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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