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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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
14 Jun — 21 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 15 May 2026.

Tue 8/1211:30
DSM
-
LHR
1 stop18h 30m
United Airlines
Thu 10/1211:05
LHR
-
DSM
2 stops41h 56m
United Airlines
Deal found 11/5£599
Tue 25/811:32
DSM
-
LHR
2 stops16h 28m
United Airlines
Thu 27/806:50
LHR
-
DSM
2 stops16h 38m
United Airlines
Deal found 13/5£602
Sun 23/808:00
DSM
-
LHR
2 stops16h 55m
United Airlines
Tue 25/806:50
LHR
-
DSM
2 stops16h 28m
United Airlines
Deal found 13/5£602
Mon 24/818:55
DSM
-
LHR
1 stop32h 05m
United Airlines
Thu 27/806:50
LHR
-
DSM
2 stops16h 38m
United Airlines
Deal found 13/5£603
Fri 16/1020:15
DSM
-
LHR
2 stops52h 15m
Multiple Airlines
Mon 19/1019:30
LHR
-
DSM
2 stops31h 47m
Multiple Airlines
Deal found 14/5£615
Mon 24/815:20
DSM
-
LHR
2 stops12h 55m
United Airlines
Wed 26/808:00
LHR
-
DSM
1 stop20h 28m
United Airlines
Deal found 13/5£616
Mon 24/814:41
OMA
-
LHR
2 stops36h 39m
Scandinavian Airlines
Wed 2/918:40
LHR
-
OMA
2 stops32h 33m
Scandinavian Airlines
Deal found 10/5£633
Wed 19/806:00
MLI
-
LHR
1 stop18h 25m
KLM
Wed 23/911:45
LHR
-
MLI
2 stops34h 37m
KLM
Deal found 12/5£645
Wed 18/1114:07
OMA
-
LHR
1 stop12h 28m
Iberia
Thu 26/1110:05
LHR
-
OMA
2 stops19h 54m
Iberia
Deal found 13/5£649
Wed 30/909:24
OMA
-
LHR
1 stop16h 16m
Iberia
Wed 7/1011:30
LHR
-
OMA
2 stops18h 00m
Iberia
Deal found 13/5£650
Wed 23/917:00
MLI
-
LHR
1 stop12h 20m
Delta
Wed 30/908:40
LHR
-
MLI
2 stops19h 50m
Delta
Deal found 13/5£652
Wed 7/1009:27
OMA
-
LHR
1 stop16h 13m
Iberia
Wed 14/1020:00
LHR
-
OMA
2 stops28h 24m
Iberia
Deal found 13/5£657

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 15 May 2026.

Round-trip from

£599

One-way from

£247

Popular in

June

Cheapest in

August

Average price

£921
United Airlines
  • United Airlines
  • 23/8-25/8
  • 3 total stops
  • 35h 58m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 11/8
  • 1 total stop
  • 12h 21m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£178 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 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 15 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

17:00-11:20

1 stop12h 20m

London Heathrow

Wed 30/9

08:40-22:30

2 stops19h 50m

£652

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

06:22-06:50

1 stop18h 28m

London Heathrow

Wed 30/9

11:10-23:03

1 stop17h 53m

£665

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

11:18-11:15

1 stop17h 57m

London Heathrow

Tue 13/10

11:10-23:19

1 stop18h 09m

£674

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

11:18-11:15

1 stop17h 57m

London Heathrow

Tue 13/10

06:15-17:54

2 stops17h 39m

£676

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 23/9

14:15-07:15

1 stop11h 00m

London Heathrow

Fri 2/10

06:30-17:42

2 stops17h 12m

£697

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 30/9

07:55-06:55

2 stops17h 00m

London Heathrow

Wed 7/10

07:25-17:21

2 stops15h 56m

£697

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

05:45-08:50

2 stops21h 05m

London Heathrow

Tue 15/9

06:30-22:19

2 stops21h 49m

£699

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sat 1/8

18:50-06:55

2 stops30h 05m

London Heathrow

Thu 20/8

06:50-10:26

2 stops33h 36m

£704

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sat 26/9

18:24-07:40

1 stop31h 16m

London Heathrow

Sat 3/10

09:45-17:49

1 stop14h 04m

£707

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sat 15/8

18:55-06:55

2 stops30h 00m

London Heathrow

Fri 21/8

14:05-16:19

2 stops32h 14m

£707

Flights are sorted by cheapest return flights first.

Deals found on 13/5

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, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £397). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £659). 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 12h 20m. 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 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 £397). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £659). 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
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
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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O'Hare Intl to Gatwick flights
O'Hare Intl to Stansted 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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