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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
4 Sep — 11 Sep1
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 5 August 2026.

Sun 1/1108:00 -
1 stop17h 55m
Tue 3/1106:50 -
2 stops16h 33m
Deal found 2/8£555
Sun 15/1115:43 -
1 stop37h 32m
Wed 18/1106:50 -
2 stops16h 51m
Deal found 3/8£559
Wed 25/1106:05 -
2 stops22h 20m
Fri 27/1109:00 -
2 stops16h 16m
Deal found 1/8£559
Thu 5/1106:55 -
1 stop18h 10m
Thu 12/1108:55 -
1 stop15h 10m
Deal found 4/8£620
Tue 20/1014:01 -
1 stop12h 04m
Tue 3/1107:30 -
2 stops17h 24m
Deal found 3/8£635
Wed 7/1008:07 -
1 stop17h 48m
Wed 21/1006:15 -
2 stops24h 16m
Deal found 4/8£636
Tue 20/1011:27 -
2 stops13h 03m
Tue 3/1111:10 -
2 stops16h 30m
Deal found 3/8£641
Wed 7/1013:03 -
2 stops14h 32m
Wed 21/1010:50 -
2 stops18h 09m
Deal found 4/8£646
Mon 23/1106:55 -
1 stop18h 10m
Fri 27/1106:30 -
2 stops16h 19m
Deal found 1/8£648
Tue 6/1009:07 -
2 stops15h 23m
Mon 12/1020:25 -
2 stops29h 48m
Deal found 3/8£649
Fri 30/1017:12 -
2 stops56h 18m
Wed 18/1111:10 -
2 stops16h 30m
Deal found 2/8£649
Mon 23/1108:00 -
2 stops20h 50m
Fri 27/1106:35 -
2 stops22h 15m
Deal found 1/8£652

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 5 August 2026.

Round-trip from

£555

One-way from

£243

Popular in

June

Cheapest in

August

Average price

£551
United Airlines
  • United Airlines
  • 1/11-3/11
  • 3 total stops
  • 34h 28m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 1/12
  • 1 total stop
  • 10h 46m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 5 August 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

Thu 5/11

06:55-07:05

1 stop18h 10m

London Heathrow

Thu 12/11

08:55-18:05

1 stop15h 10m

£620

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 22/11

19:55-07:05

1 stop29h 10m

London Heathrow

Fri 27/11

06:30-16:49

2 stops16h 19m

£655

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 22/9

11:19-10:00

2 stops16h 41m

London Heathrow

Tue 29/9

06:50-17:34

2 stops16h 44m

£661

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

£661

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 29/9

13:03-10:00

2 stops14h 57m

London Heathrow

Fri 9/10

06:50-17:34

2 stops16h 44m

£661

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

£661

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 23/9

06:00-07:10

2 stops19h 10m

London Heathrow

Wed 30/9

06:30-16:29

2 stops15h 59m

£663

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 28/9

15:11-08:30

1 stop11h 19m

London Heathrow

Mon 5/10

17:55-21:23

2 stops33h 28m

£668

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 29/12

06:15-07:20

2 stops19h 05m

London Heathrow

Thu 7/1

06:30-17:02

2 stops16h 32m

£673

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 21/9

13:55-07:25

3 stops35h 30m

London Heathrow

Tue 6/10

09:30-12:14

2 stops32h 44m

£677

Flights are sorted by cheapest return flights first.

Deals found on 3/8

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 £550). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £986). 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?

Airfare is below average for this route at the moment.
Iowa to London Heathrow Airport flights typically cost between £606 and £1,005 in November.
The cheapest return price found within the last 5 days was £555 on United Airlines (1 Nov–3 Nov).

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 41m. The distance between Iowa and London Heathrow Airport is about 4269 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 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £550). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £986). 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
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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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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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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