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Cheap flights from Iowa to London Heathrow Airport from £233

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
8 Jul — 15 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 8 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£560
Mon 16/1118:29
OMA
-
LHR
2 stops15h 21m
Lufthansa
Wed 18/1107:40
LHR
-
OMA
2 stops18h 45m
Lufthansa
Deal found 6/6£561
Wed 25/1106:15
DSM
-
LHR
2 stops22h 10m
United Airlines
Fri 27/1109:00
LHR
-
DSM
2 stops16h 25m
United Airlines
Deal found 7/6£564
Mon 16/1113:08
OMA
-
LHR
1 stop12h 47m
United Airlines
Wed 18/1106:50
LHR
-
OMA
2 stops20h 39m
United Airlines
Deal found 3/6£581
Mon 9/1117:15
OMA
-
LHR
1 stop34h 25m
United Airlines
Thu 12/1106:50
LHR
-
OMA
2 stops22h 24m
United Airlines
Deal found 3/6£585
Mon 28/918:55
DSM
-
LHR
1 stop32h 05m
United Airlines
Thu 1/1006:50
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 3/6£585
Mon 23/1105:00
DSM
-
LHR
2 stops19h 30m
Air Canada
Fri 27/1107:40
LHR
-
DSM
2 stops19h 37m
Air Canada
Deal found 7/6£624
Tue 24/1118:45
DSM
-
LHR
1 stop31h 10m
United Airlines
Fri 27/1106:35
LHR
-
DSM
2 stops18h 50m
United Airlines
Deal found 7/6£627
Mon 23/1109:04
DSM
-
LHR
1 stop17h 31m
Iberia
Fri 27/1107:30
LHR
-
DSM
2 stops17h 05m
Iberia
Deal found 7/6£650
Wed 21/1013:24
DSM
-
LHR
2 stops14h 31m
Lufthansa
Thu 29/1008:45
LHR
-
DSM
2 stops19h 16m
Lufthansa
Deal found 7/6£653
Wed 14/1017:09
OMA
-
LHR
1 stop13h 41m
Iberia
Wed 28/1007:35
LHR
-
OMA
2 stops21h 07m
Iberia
Deal found 3/6£654
Wed 21/1018:07
DSM
-
LHR
1 stop10h 43m
Iberia
Thu 29/1006:15
LHR
-
DSM
2 stops18h 56m
Iberia
Deal found 7/6£654

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 June 2026.

Round-trip from

£560

One-way from

£233

Popular in

June

Cheapest in

August

Average price

£1,117
United Airlines
  • United Airlines
  • 9/11-11/11
  • 3 total stops
  • 29h 50m total
  • Iowa to London
Search Deals
GOL
  • GOL
  • 14/6
  • 1 total stop
  • 20h 45m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£181 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 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

Mon 9/11

06:15-08:25

2 stops20h 10m

London Heathrow

Wed 11/11

06:50-17:33

2 stops16h 43m

£560

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 9/11

13:45-07:25

3 stops35h 40m

London Heathrow

Thu 12/11

06:50-17:21

2 stops16h 31m

£593

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 21/10

11:27-08:35

2 stops15h 08m

London Heathrow

Thu 29/10

06:50-17:33

2 stops15h 43m

£657

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:09-11:20

1 stop18h 11m

London Heathrow

Wed 30/9

06:30-16:29

2 stops15h 59m

£657

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 23/9

12:02-10:50

1 stop16h 48m

London Heathrow

Wed 30/9

07:50-00:20

2 stops22h 30m

£660

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:09-12:05

2 stops18h 56m

London Heathrow

Wed 30/9

09:55-22:24

2 stops18h 29m

£660

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 14/9

10:23-06:45

2 stops14h 22m

London Heathrow

Wed 23/9

08:40-20:51

2 stops18h 11m

£661

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

18:19-11:15

1 stop10h 56m

London Heathrow

Tue 13/10

06:15-23:19

2 stops23h 04m

£669

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

06:00-06:50

1 stop18h 50m

London Heathrow

Wed 30/9

12:55-23:18

1 stop16h 23m

£671

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

15:53-12:10

1 stop14h 17m

London Heathrow

Wed 30/9

09:45-16:27

1 stop12h 42m

£672

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 51 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 £401). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £666). 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 16h 20m. The distance between Iowa and London Heathrow Airport is about 4087 mi. This flight may include one or multiple stops.

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

    Most travelers choose Des Moines - London Heathrow, Omaha Eppley Airfield - London Heathrow or Moline Quad-City - 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 £401). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £666). 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
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
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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Philadelphia to Heathrow flights
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Los Angeles to London City flights
Dulles Intl to London City flights
Seattle to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
San Francisco to London City flights
Baltimore to Gatwick flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Austin to Heathrow 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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