Cheap flights from Iowa to London Heathrow Airport from £245

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
20 Jul — 27 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 20 June 2026.

Mon 16/1106:15
DSM
-
LHR
2 stops20h 10m
United Airlines
Wed 18/1106:50
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 15/6£565
Sun 8/1115:35
OMA
-
LHR
1 stop33h 50m
United Airlines
Wed 11/1106:50
LHR
-
OMA
2 stops16h 44m
United Airlines
Deal found 19/6£569
Mon 9/1118:29
OMA
-
LHR
2 stops18h 16m
Lufthansa
Wed 11/1111:10
LHR
-
OMA
2 stops16h 19m
Lufthansa
Deal found 15/6£647
Wed 23/908:13
MLI
-
LHR
1 stop18h 17m
United Airlines
Wed 30/906:50
LHR
-
MLI
2 stops18h 13m
United Airlines
Deal found 20/6£654
Wed 21/1018:46
CID
-
LHR
2 stops18h 54m
Lufthansa
Tue 27/1007:40
LHR
-
CID
2 stops20h 16m
Lufthansa
Deal found 20/6£657
Wed 21/1018:55
DSM
-
LHR
2 stops18h 45m
Lufthansa
Thu 29/1011:10
LHR
-
DSM
2 stops16h 52m
Lufthansa
Deal found 19/6£658
Wed 21/1014:46
CID
-
LHR
1 stop14h 04m
Iberia
Tue 27/1007:30
LHR
-
CID
2 stops19h 11m
Iberia
Deal found 20/6£658
Tue 13/1017:09
OMA
-
LHR
1 stop13h 41m
Iberia
Tue 27/1007:30
LHR
-
OMA
2 stops21h 12m
Iberia
Deal found 18/6£660
Wed 21/1018:07
DSM
-
LHR
1 stop10h 43m
Iberia
Thu 29/1007:30
LHR
-
DSM
2 stops17h 41m
Iberia
Deal found 19/6£660
Tue 15/908:00
OMA
-
LHR
1 stop16h 45m
United Airlines
Tue 22/906:50
LHR
-
OMA
2 stops16h 35m
United Airlines
Deal found 16/6£663
Mon 5/1013:27
DSM
-
LHR
1 stop16h 58m
United Airlines
Fri 9/1006:50
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 15/6£663
Wed 23/911:09
MLI
-
LHR
1 stop18h 11m
Delta
Wed 30/909:55
LHR
-
MLI
2 stops18h 29m
Delta
Deal found 16/6£663

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 20 June 2026.

Round-trip from

£565

One-way from

£245

Popular in

June

Cheapest in

August

Average price

£1,239
United Airlines
  • United Airlines
  • 16/11-18/11
  • 4 total stops
  • 36h 53m total
  • Iowa to London
19/10
  • 19/10
  • 2 total stops
  • 22h 40m total
  • Iowa to London
Highest demand for flights based on searches. 22% potential increase in price (£164 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£35 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 20 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 16/11

14:56-10:15

1 stop13h 19m

London Heathrow

Wed 18/11

06:50-21:35

2 stops20h 45m

£565

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

08:13-08:30

1 stop18h 17m

London Heathrow

Wed 30/9

06:50-19:03

2 stops18h 13m

£654

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:09-11:20

1 stop18h 11m

London Heathrow

Wed 30/9

09:55-22:24

2 stops18h 29m

£663

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 21/10

11:18-12:15

1 stop18h 57m

London Heathrow

Tue 27/10

06:05-23:19

2 stops22h 14m

£664

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

18:19-10:50

1 stop10h 31m

London Heathrow

Tue 13/10

06:15-17:54

2 stops17h 39m

£664

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 30/11

11:00-08:45

2 stops15h 45m

London Heathrow

Tue 8/12

06:30-16:22

2 stops15h 52m

£666

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 19/8

13:15-09:55

2 stops14h 40m

London Heathrow

Fri 28/8

19:30-15:54

2 stops26h 24m

£672

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 3/8

11:23-08:20

2 stops14h 57m

London Heathrow

Wed 19/8

07:25-22:10

2 stops20h 45m

£703

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Thu 24/9

13:40-10:20

2 stops14h 40m

London Heathrow

Wed 7/10

06:30-19:44

2 stops19h 14m

£704

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

06:00-10:10

2 stops22h 10m

London Heathrow

Tue 15/9

06:50-14:43

2 stops13h 53m

£707

Flights are sorted by cheapest return flights first.

Deals found on 17/6

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 £405). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £672). 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 13h 19m. The distance between Iowa and London Heathrow Airport is about 4176 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Iowa to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Gulf Air, which is currently one of the cheapest options available, starting at £141. SAUDIA flights start at £145 while deals on Etihad Airways start at £154 one-way.

  • What are the most popular routes 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 £405). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £672). 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
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Guildford
Romford
Ipswich

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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.

Fly with Cheapflights

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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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