Cheap flights from Iowa to London Heathrow Airport from £194

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
12 Apr — 19 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 13 March 2026.

Sun 6/1217:03
DSM
-
LHR
1 stop34h 37m
United Airlines
Wed 9/1209:00
LHR
-
DSM
2 stops21h 40m
United Airlines
Deal found 9/3£496
Mon 9/1108:15
OMA
-
LHR
1 stop20h 00m
United Airlines
Fri 13/1106:50
LHR
-
OMA
2 stops16h 31m
United Airlines
Deal found 8/3£546
Mon 9/1113:41
LSE
-
LHR
1 stop12h 14m
United Airlines
Fri 13/1106:50
LHR
-
LSE
2 stops17h 20m
United Airlines
Deal found 8/3£546
Wed 26/813:40
DSM
-
LHR
1 stop14h 00m
United Airlines
Tue 1/910:50
LHR
-
DSM
2 stops16h 22m
United Airlines
Deal found 9/3£547
Sun 6/1210:15
DSM
-
LHR
2 stops14h 35m
Virgin Atlantic
Wed 9/1210:00
LHR
-
DSM
2 stops16h 52m
Virgin Atlantic
Deal found 9/3£550
Fri 11/908:00
OMA
-
LHR
2 stops43h 20m
Scandinavian Airlines
Sat 26/917:00
LHR
-
OMA
2 stops36h 59m
Scandinavian Airlines
Deal found 9/3£555
Mon 17/818:25
OMA
-
LHR
2 stops18h 00m
Lufthansa
Wed 19/806:55
LHR
-
OMA
2 stops19h 47m
Lufthansa
Deal found 9/3£561
Wed 19/811:33
MLI
-
LHR
1 stop13h 17m
Multiple Airlines
Wed 23/912:55
LHR
-
MLI
1 stop27h 21m
Multiple Airlines
Deal found 12/3£561
Sun 16/815:43
OMA
-
LHR
1 stop13h 12m
British Airways
Wed 19/814:25
LHR
-
OMA
1 stop14h 37m
British Airways
Deal found 9/3£564
Sun 6/1218:28
DSM
-
LHR
1 stop11h 07m
British Airways
Wed 9/1212:35
LHR
-
DSM
1 stop15h 27m
British Airways
Deal found 9/3£564
Tue 1/918:50
MLI
-
LHR
2 stops18h 50m
Lufthansa
Wed 9/906:30
LHR
-
MLI
2 stops16h 26m
Lufthansa
Deal found 12/3£566
Tue 15/918:25
OMA
-
LHR
2 stops16h 40m
Lufthansa
Tue 29/911:30
LHR
-
OMA
2 stops17h 44m
Lufthansa
Deal found 9/3£566

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 13 March 2026.

Round-trip from

£547

One-way from

£194

Popular in

June

Cheapest in

January

Average price

£644
United Airlines
  • United Airlines
  • 26/8-1/9
  • 3 total stops
  • 30h 22m total
  • Iowa to London
British Airways
  • British Airways
  • 19/7
  • 1 total stop
  • 15h 36m total
  • Iowa to London
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 13 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

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 19/8

11:33-06:50

1 stop13h 17m

London Heathrow

Wed 23/9

12:55-10:16

1 stop27h 21m

£561

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 1/4

10:35-06:45

1 stop14h 10m

London Heathrow

Wed 8/4

09:00-21:11

2 stops18h 11m

£584

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

10:56-13:05

1 stop20h 09m

London Heathrow

Tue 12/5

06:30-21:03

2 stops20h 33m

£592

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 29/4

10:34-08:50

2 stops16h 16m

London Heathrow

Fri 8/5

09:55-20:36

2 stops16h 41m

£595

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 22/4

17:05-11:55

1 stop12h 50m

London Heathrow

Mon 4/5

17:50-21:38

2 stops33h 48m

£601

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 6/4

13:30-11:15

1 stop15h 45m

London Heathrow

Mon 13/4

13:10-23:54

1 stop16h 44m

£604

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 7/4

12:51-11:15

1 stop16h 24m

London Heathrow

Thu 7/5

13:10-23:54

1 stop16h 44m

£605

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 5/8

11:28-06:45

1 stop13h 17m

London Heathrow

Fri 21/8

11:25-20:30

1 stop15h 05m

£606

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Mon 27/4

15:20-08:30

1 stop11h 10m

London Heathrow

Mon 4/5

15:30-18:00

2 stops32h 30m

£607

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 22/4

17:01-11:15

1 stop12h 14m

London Heathrow

Wed 29/4

15:15-23:49

1 stop14h 34m

£607

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 50 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 £438). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £676). 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 10h 01m. The distance between Iowa and London Heathrow Airport is about 3976 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 SAUDIA, which is currently one of the cheapest options available, starting at £82. Gulf Air flights start at £140 while deals on Etihad Airways start at £154 one-way.

  • What are the most popular routes 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 £438). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of £676). 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
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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.

Fly with Cheapflights

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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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