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Cheap flights from Iowa to London Heathrow Airport from £229

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
22 Apr — 29 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 23 March 2026.

Tue 25/806:00
OMA
-
LHR
2 stops18h 30m
United Airlines
Wed 26/810:50
LHR
-
OMA
2 stops17h 06m
United Airlines
Deal found 20/3£526
Sun 6/1220:15
DSM
-
LHR
1 stop33h 00m
United Airlines
Wed 9/1211:05
LHR
-
DSM
2 stops43h 35m
United Airlines
Deal found 21/3£526
Mon 26/1007:55
OMA
-
LHR
2 stops17h 45m
United Airlines
Tue 27/1009:00
LHR
-
OMA
2 stops17h 29m
United Airlines
Deal found 22/3£527
Sun 8/1108:00
DSM
-
LHR
3 stops18h 25m
United Airlines
Tue 10/1107:30
LHR
-
DSM
2 stops17h 55m
United Airlines
Deal found 22/3£534
Sun 25/1006:00
OMA
-
LHR
1 stop18h 55m
United Airlines
Mon 26/1009:00
LHR
-
OMA
2 stops17h 29m
United Airlines
Deal found 22/3£564
Tue 18/818:25
OMA
-
LHR
2 stops19h 15m
Lufthansa
Tue 25/809:00
LHR
-
OMA
2 stops18h 56m
Lufthansa
Deal found 20/3£590
Tue 1/918:45
CID
-
LHR
2 stops17h 40m
Lufthansa
Tue 15/907:25
LHR
-
CID
2 stops20h 04m
Lufthansa
Deal found 20/3£590
Sun 8/1108:15
CID
-
LHR
1 stop17h 40m
United Airlines
Tue 10/1107:30
LHR
-
CID
2 stops17h 42m
United Airlines
Deal found 22/3£592
Tue 21/419:34
MLI
-
LHR
2 stops14h 06m
Lufthansa
Tue 28/413:30
LHR
-
MLI
2 stops15h 32m
Lufthansa
Deal found 23/3£596
Tue 1/918:25
OMA
-
LHR
2 stops17h 15m
Lufthansa
Tue 8/907:25
LHR
-
OMA
2 stops20h 31m
Lufthansa
Deal found 22/3£597
Wed 6/520:25
MLI
-
LHR
2 stops19h 45m
Lufthansa
Wed 13/513:30
LHR
-
MLI
2 stops16h 37m
Lufthansa
Deal found 22/3£603
Tue 29/913:05
DSM
-
LHR
2 stops15h 35m
Lufthansa
Wed 14/1009:30
LHR
-
DSM
2 stops19h 31m
Lufthansa
Deal found 22/3£604

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 23 March 2026.

Round-trip from

£526

One-way from

£229

Popular in

June

Cheapest in

January

Average price

£641
United Airlines
  • United Airlines
  • 25/8-26/8
  • 4 total stops
  • 35h 36m total
  • Iowa to London
Search Deals
American Airlines
  • American Airlines
  • 15/9
  • 2 total stops
  • 12h 59m total
  • Iowa to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 23 March 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

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 1/9

18:45-16:40

2 stops15h 55m

London Heathrow

Tue 15/9

07:25-21:29

2 stops20h 04m

£597

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 21/4

13:55-06:45

1 stop10h 50m

London Heathrow

Tue 28/4

06:55-17:06

2 stops16h 11m

£617

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 15/9

05:45-07:15

1 stop19h 30m

London Heathrow

Tue 29/9

06:30-21:50

2 stops21h 20m

£618

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 1/9

11:23-06:45

1 stop13h 22m

London Heathrow

Tue 8/9

10:50-21:56

2 stops17h 06m

£618

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 6/5

06:35-06:30

2 stops17h 55m

London Heathrow

Wed 13/5

07:25-16:51

2 stops15h 26m

£620

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 17/8

15:24-11:55

1 stop14h 31m

London Heathrow

Mon 24/8

17:50-17:02

2 stops29h 12m

£628

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Thu 7/5

19:05-11:55

1 stop10h 50m

London Heathrow

Thu 14/5

06:50-21:02

2 stops20h 12m

£654

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 5/8

17:17-12:20

1 stop13h 03m

London Heathrow

Fri 14/8

08:00-14:05

1 stop12h 05m

£659

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 1/9

13:33-06:45

1 stop11h 12m

London Heathrow

Mon 7/9

07:30-21:04

2 stops19h 34m

£663

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 21/4

05:42-06:25

1 stop18h 43m

London Heathrow

Tue 28/4

06:30-15:41

2 stops15h 11m

£663

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 55 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, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £436). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £673). 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 50m. The distance between Iowa and London Heathrow Airport is about 4063 mi. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £436). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £673). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
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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Boston to Stansted flights
Los Angeles to Gatwick flights
Dulles Intl to London City flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
Philadelphia to Heathrow flights
Minneapolis to Heathrow flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Detroit to Heathrow flights
O'Hare Intl to Stansted flights
O'Hare Intl 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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