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Cheap flights from Iowa to London Heathrow Airport from £169

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
20 Dec — 27 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 20 November 2025.

Tue 2/1212:24OMA - LHR
1 stop12h 41mDelta
Tue 9/1208:40LHR - OMA
2 stops20h 24mDelta
Deal found 18/11£472
Mon 1/1208:15OMA - LHR
1 stop17h 15mUnited Airlines
Mon 8/1211:05LHR - OMA
2 stops36h 24mUnited Airlines
Deal found 17/11£481
Wed 19/1115:55MLI - LHR
2 stops19h 10mUnited Airlines
Wed 26/1106:35LHR - MLI
2 stops16h 02mUnited Airlines
Deal found 19/11£484
Wed 10/1215:17DSM - LHR
1 stop13h 58mUnited Airlines
Wed 17/1216:20LHR - DSM
2 stops24h 30mUnited Airlines
Deal found 17/11£497
Mon 1/1218:45OMA - LHR
2 stops29h 45mMultiple Airlines
Mon 8/1219:30LHR - OMA
2 stops32h 17mMultiple Airlines
Deal found 17/11£499
Mon 1/1218:45OMA - LHR
2 stops18h 50mLufthansa
Mon 8/1219:30LHR - OMA
2 stops32h 17mLufthansa
Deal found 17/11£500
Wed 26/1113:00MLI - LHR
1 stop10h 55mLufthansa
Wed 3/1207:30LHR - MLI
2 stops19h 46mLufthansa
Deal found 19/11£502
Fri 5/1211:23DSM - LHR
1 stop14h 27mVirgin Atlantic
Tue 9/1211:45LHR - DSM
2 stops15h 01mVirgin Atlantic
Deal found 17/11£510
Fri 5/1213:00MLI - LHR
2 stops12h 10mUnited Airlines
Tue 9/1206:50LHR - MLI
2 stops14h 31mUnited Airlines
Deal found 19/11£516
Mon 1/1212:20OMA - LHR
1 stop12h 45mKLM
Mon 8/1208:55LHR - OMA
1 stop14h 08mKLM
Deal found 17/11£532
Fri 5/1214:16DSM - LHR
1 stop11h 34mDelta
Tue 9/1212:30LHR - DSM
1 stop16h 04mDelta
Deal found 17/11£532
Fri 5/1211:35DSM - LHR
2 stops13h 35mAir Canada
Tue 9/1211:10LHR - DSM
2 stops16h 27mAir Canada
Deal found 17/11£536

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 20 November 2025.

Round-trip from

£425

One-way from

£169

Popular in

December

Cheapest in

January

Average price

£730
Lufthansa
  • Lufthansa
  • 16/1-31/1
  • 3 total stops
  • 29h 30m total
  • Iowa to London
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/3
  • 1 total stop
  • 16h 56m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£36 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 20 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

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 2/12

17:29-13:45

2 stops14h 16m

London Heathrow

Tue 9/12

08:40-23:04

2 stops20h 24m

£476

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 11/2

15:35-11:15

1 stop13h 40m

London Heathrow

Sun 15/2

06:50-21:51

2 stops21h 01m

£477

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 28/1

18:35-05:55

1 stop29h 20m

London Heathrow

Sun 1/2

07:40-21:58

2 stops20h 18m

£478

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Fri 20/2

08:00-07:55

1 stop17h 55m

London Heathrow

Fri 27/2

11:10-23:43

2 stops18h 33m

£478

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Fri 9/1

15:35-07:55

1 stop10h 20m

London Heathrow

Fri 16/1

11:10-14:33

2 stops33h 23m

£478

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Sun 1/3

12:25-07:05

1 stop12h 40m

London Heathrow

Thu 5/3

06:30-15:37

2 stops15h 07m

£487

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Sun 1/3

05:33-06:55

2 stops19h 22m

London Heathrow

Thu 5/3

06:30-22:45

2 stops22h 15m

£490

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 13/5

06:45-10:00

2 stops21h 15m

London Heathrow

Wed 20/5

07:25-17:07

2 stops15h 42m

£497

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 17/3

13:33-08:15

1 stop13h 42m

London Heathrow

Tue 24/3

08:20-22:34

1 stop19h 14m

£500

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

17:25-13:45

2 stops14h 20m

London Heathrow

Fri 8/5

06:30-20:45

2 stops20h 15m

£501

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 47 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £475). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £609). 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 40m. 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at £169. Delta flights start at £171 while deals on American Airlines start at £171 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £475). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £609). 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£492Average£820FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£505Average£1,112FlexibilityNo 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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