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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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
17 Aug — 24 Aug1
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 18 July 2026.

Sun 6/1217:42
MLI
-
LHR
1 stop32h 13m
United Airlines
Wed 9/1207:30
LHR
-
MLI
2 stops19h 28m
United Airlines
Deal found 14/7£606
Sat 14/1114:35
MLI
-
LHR
1 stop11h 20m
United Airlines
Mon 16/1106:50
LHR
-
MLI
2 stops14h 17m
United Airlines
Deal found 16/7£621
Wed 21/1018:55
DSM
-
LHR
2 stops16h 10m
Lufthansa
Thu 29/1011:10
LHR
-
DSM
2 stops16h 52m
Lufthansa
Deal found 14/7£646
Tue 20/1016:29
OMA
-
LHR
1 stop14h 21m
Iberia
Tue 27/1007:30
LHR
-
OMA
2 stops21h 55m
Iberia
Deal found 16/7£647
Wed 21/1014:01
DSM
-
LHR
1 stop11h 39m
Iberia
Thu 29/1006:15
LHR
-
DSM
2 stops22h 49m
Iberia
Deal found 14/7£647
Wed 14/1018:13
CID
-
LHR
1 stop10h 37m
Iberia
Wed 21/1006:15
LHR
-
CID
2 stops24h 06m
Iberia
Deal found 15/7£647
Tue 10/1113:50
OMA
-
LHR
2 stops17h 40m
United Airlines
Wed 18/1106:50
LHR
-
OMA
2 stops16h 44m
United Airlines
Deal found 14/7£651
Wed 4/1106:55
DSM
-
LHR
1 stop18h 10m
Delta
Tue 10/1108:40
LHR
-
DSM
2 stops18h 12m
Delta
Deal found 14/7£651
Tue 20/1015:13
OMA
-
LHR
2 stops12h 47m
United Airlines
Tue 27/1006:50
LHR
-
OMA
2 stops17h 57m
United Airlines
Deal found 16/7£653
Wed 21/1018:50
LSE
-
LHR
1 stop10h 00m
British Airways
Tue 27/1006:05
LHR
-
LSE
2 stops22h 54m
British Airways
Deal found 14/7£653
Tue 10/1108:03
OMA
-
LHR
2 stops16h 17m
Delta
Thu 19/1106:30
LHR
-
OMA
2 stops16h 36m
Delta
Deal found 14/7£654
Wed 14/1007:55
CID
-
LHR
2 stops16h 00m
United Airlines
Wed 21/1006:55
LHR
-
CID
2 stops16h 28m
United Airlines
Deal found 15/7£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 18 July 2026.

Round-trip from

£581

One-way from

£262

Popular in

June

Cheapest in

August

Average price

£851
United Airlines
  • United Airlines
  • 11/1-12/1
  • 5 total stops
  • 52h 05m total
  • Iowa to London
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 23h 25m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 18 July 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 - LHR

OMALHR

Omaha Eppley Airfield

Mon 11/1

06:00-07:10

3 stops19h 10m

London Heathrow

Tue 12/1

17:30-20:25

2 stops32h 55m

£582

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 6/12

17:42-07:55

1 stop32h 13m

London Heathrow

Wed 9/12

07:30-20:58

2 stops19h 28m

£606

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 2/11

18:40-12:00

1 stop11h 20m

London Heathrow

Fri 20/11

06:50-17:43

2 stops16h 53m

£644

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 21/10

18:50-10:50

1 stop10h 00m

London Heathrow

Tue 27/10

06:05-23:59

2 stops22h 54m

£653

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 14/10

07:55-05:55

2 stops16h 00m

London Heathrow

Wed 21/10

06:55-17:23

2 stops16h 28m

£654

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

17:16-13:15

1 stop13h 59m

London Heathrow

Wed 30/9

06:30-16:29

2 stops15h 59m

£657

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/1

11:04-06:25

1 stop13h 21m

London Heathrow

Fri 15/1

11:45-20:52

2 stops15h 07m

£657

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

18:50-12:15

1 stop11h 25m

London Heathrow

Tue 13/10

06:15-23:59

2 stops23h 44m

£660

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

11:19-13:15

1 stop19h 56m

London Heathrow

Wed 30/9

11:30-22:30

2 stops17h 00m

£663

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 18/10

11:33-12:35

1 stop19h 02m

London Heathrow

Mon 19/10

17:55-23:35

2 stops35h 40m

£684

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 52 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 £589). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £985). 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 10h. The distance between Iowa and London Heathrow Airport is about 3976 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 £139. SAUDIA flights start at £143 while deals on Etihad Airways start at £152 one-way.

  • 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 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £589). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £985). 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
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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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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San Francisco to Gatwick flights
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O'Hare Intl to Stansted flights
Los Angeles to London City flights
San Francisco to London City 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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