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Cheap flights from Iowa to London Heathrow Airport from £172

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 6 November 2025.

Tue 2/1206:19OMA - LHR
1 stop20h 26mDelta
Tue 9/1206:20LHR - OMA
2 stops16h 55mDelta
Deal found 5/11£452
Wed 3/1214:59DSM - LHR
1 stop10h 06mDelta
Wed 10/1209:00LHR - DSM
2 stops19h 34mDelta
Deal found 5/11£452
Wed 3/1205:50CID - LHR
1 stop20h 00mMultiple Airlines
Tue 9/1206:20LHR - CID
2 stops15h 25mMultiple Airlines
Deal found 4/11£452
Sun 9/1110:56OMA - LHR
1 stop13h 29mDelta
Wed 19/1106:20LHR - OMA
2 stops16h 52mDelta
Deal found 4/11£453
Tue 2/1206:25CID - LHR
1 stop18h 40mDelta
Tue 9/1208:55LHR - CID
2 stops19h 24mDelta
Deal found 3/11£453
Wed 3/1205:50CID - LHR
2 stops19h 15mDelta
Tue 9/1206:20LHR - CID
2 stops15h 25mDelta
Deal found 4/11£456
Sun 9/1109:00OMA - LHR
2 stops15h 50mVirgin Atlantic
Wed 19/1106:30LHR - OMA
2 stops16h 25mVirgin Atlantic
Deal found 5/11£456
Wed 3/1210:20DSM - LHR
2 stops14h 30mVirgin Atlantic
Wed 10/1206:30LHR - DSM
2 stops17h 17mVirgin Atlantic
Deal found 5/11£456
Sun 9/1110:56OMA - LHR
1 stop14h 54mKLM
Wed 19/1112:30LHR - OMA
1 stop14h 16mKLM
Deal found 5/11£457
Wed 3/1214:59DSM - LHR
1 stop10h 06mKLM
Wed 10/1208:55LHR - DSM
1 stop14h 52mKLM
Deal found 5/11£457
Wed 3/1212:22CID - LHR
1 stop12h 43mKLM
Tue 9/1208:55LHR - CID
1 stop19h 24mKLM
Deal found 5/11£457
Tue 2/1210:56OMA - LHR
1 stop14h 54mKLM
Tue 9/1211:05LHR - OMA
1 stop16h 15mKLM
Deal found 4/11£458

Cheap flight deals from Iowa to Heathrow

Keep the following information in mind while searching for Iowa to Heathrow flight deals. Data was last updated 6 November 2025.

Round-trip from

£452

One-way from

£172

Popular in

December

Cheapest in

January

Average price

£734
Delta
  • Delta
  • 2/12-9/12
  • 3 total stops
  • 28h 23m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 16/3
  • 1 total stop
  • 16h 32m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 6 November 2025.
Use the filters below to find and compare flights from Iowa to London Heathrow Airport that are best for you.

Fly from

Iowa

Fly to

Heathrow

Route

Depart

Return

Price

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 3/12

14:59-07:05

1 stop10h 06m

London Heathrow

Wed 10/12

09:00-22:34

2 stops19h 34m

£452

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 3/12

05:50-07:50

1 stop20h 00m

London Heathrow

Tue 9/12

06:20-15:45

2 stops15h 25m

£452

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 2/12

05:07-07:50

1 stop20h 43m

London Heathrow

Tue 9/12

06:20-17:15

2 stops16h 55m

£453

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 2/12

06:25-07:05

1 stop18h 40m

London Heathrow

Tue 9/12

08:55-22:19

2 stops19h 24m

£453

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 3/12

05:50-07:05

2 stops19h 15m

London Heathrow

Tue 9/12

06:20-15:45

2 stops15h 25m

£456

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 2/12

10:56-07:50

1 stop14h 54m

London Heathrow

Tue 9/12

15:50-00:16

1 stop14h 26m

£457

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 3/12

12:24-07:05

1 stop12h 41m

London Heathrow

Wed 10/12

08:55-17:03

1 stop14h 08m

£457

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 3/12

14:59-07:05

1 stop10h 06m

London Heathrow

Wed 10/12

08:55-17:47

1 stop14h 52m

£457

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 11/2

12:25-08:45

1 stop14h 20m

London Heathrow

Fri 20/2

06:30-20:49

2 stops20h 19m

£460

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 18/11

10:30-06:50

2 stops14h 20m

London Heathrow

Thu 18/12

12:30-00:16

1 stop17h 46m

£461

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 49 results
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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, December is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £481). Flying from Iowa to London Heathrow Airport in July is currently the most expensive (average of £663). 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 06m. 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 British Airways, which is currently one of the cheapest options available, starting at £172. American Airlines flights start at £172 while deals on Air Canada start at £302 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 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, December is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £481). Flying from Iowa to London Heathrow Airport in July is currently the most expensive (average of £663). 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
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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Top 2 airlines flying from Iowa to Heathrow

Discover the top 2 airlines that operate flights from Iowa to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£495Average£824FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£508Average£1,118FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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