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Cheap flights from Iowa to London Heathrow Airport from £247

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
13 May — 20 May1
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 13 April 2026.

Tue 1/906:15
DSM
-
LHR
1 stop19h 40m
United Airlines
Thu 3/906:50
LHR
-
DSM
2 stops18h 34m
United Airlines
Deal found 11/4£555
Tue 1/909:00
CID
-
LHR
1 stop18h 40m
United Airlines
Thu 3/906:50
LHR
-
CID
2 stops23h 38m
United Airlines
Deal found 11/4£555
Mon 31/820:30
DSM
-
LHR
2 stops18h 55m
United Airlines
Wed 2/906:50
LHR
-
DSM
2 stops18h 34m
United Airlines
Deal found 11/4£559
Wed 2/905:30
CID
-
LHR
1 stop25h 05m
United Airlines
Fri 4/906:50
LHR
-
CID
2 stops20h 39m
United Airlines
Deal found 11/4£560
Tue 20/1011:05
OMA
-
LHR
2 stops22h 55m
Scandinavian Airlines
Wed 28/1006:40
LHR
-
OMA
2 stops22h 27m
Scandinavian Airlines
Deal found 12/4£595
Mon 7/914:50
OMA
-
LHR
2 stops24h 50m
Scandinavian Airlines
Mon 14/906:40
LHR
-
OMA
2 stops23h 19m
Scandinavian Airlines
Deal found 12/4£613
Mon 5/1014:39
CID
-
LHR
2 stops13h 36m
United Airlines
Wed 7/1008:00
LHR
-
CID
1 stop19h 14m
United Airlines
Deal found 12/4£624
Sun 27/911:04
DSM
-
LHR
2 stops28h 36m
Scandinavian Airlines
Fri 2/1006:40
LHR
-
DSM
2 stops21h 46m
Scandinavian Airlines
Deal found 9/4£634
Wed 2/1214:50
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Wed 9/1206:40
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 11/4£640
Tue 13/1018:29
OMA
-
LHR
2 stops19h 11m
Lufthansa
Wed 21/1010:50
LHR
-
OMA
2 stops16h 39m
Lufthansa
Deal found 11/4£647
Tue 13/1011:59
OMA
-
LHR
1 stop15h 01m
Iberia
Wed 21/1006:15
LHR
-
OMA
2 stops18h 09m
Iberia
Deal found 11/4£648
Mon 28/918:15
DSM
-
LHR
1 stop10h 35m
Iberia
Tue 13/1007:50
LHR
-
DSM
2 stops18h 21m
Iberia
Deal found 11/4£648

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 13 April 2026.

Round-trip from

£555

One-way from

£244

Popular in

June

Cheapest in

January

Average price

£577
United Airlines
  • United Airlines
  • 1/9-3/9
  • 3 total stops
  • 38h 14m total
  • Iowa to London
Search Deals
Iberia
  • Iberia
  • 17/8
  • 1 total stop
  • 10h 24m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 13 April 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

06:30-08:35

2 stops20h 05m

London Heathrow

Wed 30/9

06:50-00:14

2 stops23h 24m

£650

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 25/8

08:00-06:45

1 stop16h 45m

London Heathrow

Fri 11/9

06:50-19:12

2 stops18h 22m

£651

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 4/10

06:15-06:45

1 stop18h 30m

London Heathrow

Thu 15/10

08:45-00:22

2 stops21h 37m

£652

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

06:15-06:30

2 stops18h 15m

London Heathrow

Thu 15/10

08:45-00:22

2 stops21h 37m

£654

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 24/8

18:25-11:55

1 stop11h 30m

London Heathrow

Tue 8/9

14:05-10:17

2 stops26h 12m

£658

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

06:15-09:00

1 stop20h 45m

London Heathrow

Wed 14/10

07:30-18:10

2 stops16h 40m

£660

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 25/8

08:00-06:30

2 stops16h 30m

London Heathrow

Tue 15/9

09:30-00:28

2 stops20h 58m

£662

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

09:38-12:15

1 stop20h 37m

London Heathrow

Fri 2/10

12:15-23:28

1 stop17h 13m

£673

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

15:04-11:15

1 stop14h 11m

London Heathrow

Tue 15/9

09:45-23:11

1 stop19h 26m

£673

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Mon 7/9

15:16-09:40

1 stop12h 24m

London Heathrow

Thu 24/9

08:00-14:23

1 stop12h 23m

£673

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 58 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 £433). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £667). 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 20h 05m. The distance between Iowa and London Heathrow Airport is about 4063 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 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 £433). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £667). 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
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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