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Cheap flights from Iowa to London Heathrow Airport from £160

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
29 Mar — 5 Apr1
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 27 February 2026.

Sat 12/917:15
OMA
-
LHR
2 stops31h 15m
United Airlines
Mon 14/916:25
LHR
-
OMA
2 stops30h 56m
United Airlines
Deal found 25/2£406
Tue 1/918:29
OMA
-
LHR
2 stops17h 56m
Lufthansa
Tue 8/907:25
LHR
-
OMA
2 stops20h 04m
Lufthansa
Deal found 23/2£469
Mon 12/1018:29
OMA
-
LHR
2 stops15h 11m
Lufthansa
Thu 22/1009:30
LHR
-
OMA
2 stops19h 44m
Lufthansa
Deal found 25/2£477
Tue 1/913:08
OMA
-
LHR
1 stop11h 37m
United Airlines
Tue 8/910:50
LHR
-
OMA
2 stops16h 39m
United Airlines
Deal found 23/2£486
Sun 6/915:14
CID
-
LHR
1 stop15h 06m
United Airlines
Tue 15/907:25
LHR
-
CID
2 stops17h 47m
United Airlines
Deal found 23/2£486
Wed 19/808:10
MLI
-
LHR
2 stops16h 45m
United Airlines
Wed 23/908:40
LHR
-
MLI
2 stops21h 19m
United Airlines
Deal found 24/2£489
Wed 23/908:00
DSM
-
LHR
1 stop21h 35m
United Airlines
Fri 2/1014:05
LHR
-
DSM
2 stops30h 06m
United Airlines
Deal found 23/2£492
Mon 12/1017:15
OMA
-
LHR
1 stop13h 05m
United Airlines
Thu 22/1008:45
LHR
-
OMA
2 stops20h 29m
United Airlines
Deal found 25/2£495
Wed 15/418:31
DSM
-
LHR
1 stop12h 44m
Virgin Atlantic
Wed 29/410:45
LHR
-
DSM
1 stop15h 54m
Virgin Atlantic
Deal found 25/2£498
Wed 26/818:29
OMA
-
LHR
2 stops17h 11m
Lufthansa
Mon 31/819:30
LHR
-
OMA
2 stops27h 51m
Lufthansa
Deal found 25/2£498
Wed 23/911:30
DSM
-
LHR
2 stops18h 20m
Air Canada
Fri 2/1014:05
LHR
-
DSM
2 stops30h 06m
Air Canada
Deal found 23/2£499
Sun 20/915:15
DSM
-
LHR
2 stops13h 00m
United Airlines
Thu 1/1009:30
LHR
-
DSM
2 stops19h 21m
United Airlines
Deal found 25/2£501

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 27 February 2026.

Round-trip from

£489

One-way from

£160

Popular in

December

Cheapest in

January

Average price

£580
United Airlines
  • United Airlines
  • 19/8-23/9
  • 4 total stops
  • 38h 04m total
  • Iowa to London
Search Deals
British Airways
  • British Airways
  • 19/8
  • 1 total stop
  • 13h 12m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 27 February 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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 12/8

06:15-05:55

2 stops17h 40m

London Heathrow

Wed 19/8

08:00-14:11

1 stop12h 11m

£507

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Thu 9/4

08:30-06:45

1 stop16h 15m

London Heathrow

Thu 16/4

06:50-17:06

2 stops16h 16m

£521

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/4

06:15-07:10

1 stop18h 55m

London Heathrow

Wed 15/4

06:30-15:41

2 stops15h 11m

£531

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Fri 10/4

06:30-06:30

2 stops18h 00m

London Heathrow

Fri 17/4

06:55-17:06

2 stops16h 11m

£532

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 7/4

06:49-07:10

2 stops18h 21m

London Heathrow

Wed 15/4

08:40-19:32

2 stops16h 52m

£534

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 29/4

15:59-12:05

2 stops14h 06m

London Heathrow

Tue 5/5

09:55-20:59

2 stops17h 04m

£534

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 15/4

18:31-13:15

1 stop12h 44m

London Heathrow

Wed 22/4

09:55-20:39

2 stops16h 44m

£538

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 14/4

10:56-13:05

1 stop20h 09m

London Heathrow

Tue 28/4

06:30-20:39

2 stops20h 09m

£538

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

06:10-07:10

1 stop19h 00m

London Heathrow

Fri 8/5

06:30-17:54

2 stops17h 24m

£538

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 28/4

10:34-07:10

1 stop14h 36m

London Heathrow

Wed 6/5

06:30-21:12

2 stops20h 42m

£538

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 52 resultsSorted by cheapest first
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6

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 £430). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £606). 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.

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 30m. The distance between Iowa and London Heathrow Airport is about 4087 mi. This flight may include one or multiple stops.

  • 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 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, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £430). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £606). 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
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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Newark to Stansted flights
Los Angeles to Stansted flights
Newark to London City flights
O'Hare Intl to Stansted flights
Boston to Stansted flights
Dulles Intl to London City flights
O'Hare Intl to London City flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Newark to Luton flights
Denver to Heathrow flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
Los Angeles to London City flights
San Francisco to Stansted flights
George Bush Intcntl to Heathrow flights
Minneapolis to Heathrow flights
Tampa to Heathrow flights
Ontario to Heathrow flights
San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
Orlando to Gatwick 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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