Cheap flights from Iowa to London from £166

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Iowa to London

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated 13 January 2026.

Round-trip from

£430

One-way from

£166

Popular in

December

Cheapest in

January

Average price

£525
Iberia
  • Iberia
  • 3/2-10/2
  • 3 total stops
  • 46h 55m total
  • Iowa to London
British Airways
  • British Airways
  • 29/4
  • 1 total stop
  • 12h 15m total
  • Iowa to London
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find flight deals from Iowa to London

Enter your travel dates to find the best prices.

Cheapest flights from Iowa to London
Explore the most affordable flight options available from Iowa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 January 2026.

Mon 19/111:00
OMA
-
LHR
1 stop14h 50m
Virgin Atlantic
Tue 3/210:45
LHR
-
OMA
1 stop16h 31m
Virgin Atlantic
Deal found 12/1£381
Mon 19/111:26
OMA
-
LHR
2 stops13h 44m
Air Canada
Tue 3/213:25
LHR
-
OMA
2 stops31h 00m
Air Canada
Deal found 12/1£388
Tue 3/212:03
OMA
-
LHR
1 stop14h 12m
Iberia
Tue 10/220:50
LHR
-
OMA
2 stops32h 43m
Iberia
Deal found 10/1£430
Wed 18/213:38
DSM
-
LHR
1 stop11h 17m
British Airways
Wed 25/214:10
LHR
-
DSM
1 stop14h 09m
British Airways
Deal found 11/1£430
Mon 19/113:42
OMA
-
LHR
1 stop14h 18m
Iberia
Tue 3/220:50
LHR
-
OMA
2 stops32h 43m
Iberia
Deal found 12/1£430
Mon 19/112:03
OMA
-
LHR
1 stop14h 12m
Iberia
Mon 26/119:05
LHR
-
OMA
2 stops21h 19m
Iberia
Deal found 12/1£431
Wed 25/213:38
DSM
-
LHR
1 stop12h 37m
Iberia
Wed 4/307:35
LHR
-
DSM
2 stops16h 44m
Iberia
Deal found 11/1£431
Wed 11/306:15
OMA
-
LHR
1 stop20h 15m
United Airlines
Wed 25/312:00
LHR
-
OMA
2 stops27h 34m
United Airlines
Deal found 11/1£435
Mon 19/113:42
OMA
-
LGW
2 stops18h 08m
British Airways
Mon 26/119:40
LGW
-
OMA
2 stops27h 10m
British Airways
Deal found 12/1£436
Mon 2/217:40
OMA
-
LHR
1 stop12h 00m
British Airways
Thu 12/212:35
LHR
-
OMA
1 stop12h 09m
British Airways
Deal found 10/1£438
Tue 27/117:01
DSM
-
LHR
1 stop11h 24m
British Airways
Tue 10/212:35
LHR
-
DSM
1 stop13h 27m
British Airways
Deal found 11/1£438
Mon 2/318:29
LSE
-
LHR
1 stop31h 46m
British Airways
Tue 10/306:05
LHR
-
LSE
2 stops22h 31m
British Airways
Deal found 12/1£438

Cheapflights Fare Finder

 
Customise your flight search to find flights from Iowa to London 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 January 2026.
Use the filters below to find and compare flights from Iowa to London that are best for you.

Fly from

Iowa

Fly to

London

Route

Depart

Return

Price

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 2/3

18:29-06:55

1 stop30h 26m

London Heathrow

Thu 12/3

07:30-23:36

2 stops21h 06m

£438

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 3/3

18:29-06:55

1 stop30h 26m

London Heathrow

Tue 10/3

06:05-23:36

2 stops22h 31m

£438

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 2/3

18:29-08:15

1 stop31h 46m

London Heathrow

Tue 10/3

06:05-23:36

2 stops22h 31m

£438

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/3

11:31-08:15

1 stop14h 44m

London Heathrow

Thu 12/3

06:15-23:36

2 stops22h 21m

£438

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 11/3

11:30-06:40

2 stops14h 10m

London Heathrow

Wed 25/3

12:00-10:34

2 stops27h 34m

£439

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 2/2

15:21-07:55

1 stop10h 34m

London Heathrow

Thu 12/2

09:00-21:59

2 stops18h 59m

£439

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 8/4

12:55-14:25

1 stop19h 30m

London Heathrow

Mon 13/4

19:25-19:08

2 stops29h 43m

£441

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 6/5

12:55-14:25

1 stop19h 30m

London Heathrow

Wed 20/5

19:30-23:57

2 stops34h 27m

£441

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 18/2

11:17-11:40

1 stop18h 23m

London Heathrow

Wed 25/2

14:45-23:48

1 stop15h 03m

£444

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 25/2

11:17-06:50

1 stop13h 33m

London Heathrow

Wed 4/3

14:45-23:48

1 stop15h 03m

£445

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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Best time to book a flight from Iowa to London

Have a flexible travel schedule? Discover the best time to fly to London 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

What is the cheapest month to book a flight from Iowa to London?

Currently, August is the cheapest month in which you can book a flight from Iowa to London (average of £433). Flying from Iowa to London in February is currently the most expensive (average of £596). 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?

Related info for your journey

Find useful and relevant information for your journey from Iowa to London. 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?

    British Airways, United Airlines, and Finnair can get you from Iowa to London in just under 12h 51m. Your travel time can differ by up to 17h 35m. Airlines will cover a distance of 4087 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Iowa to London one-way?

    To fly one-way, consider booking your trip with SAUDIA, which is currently one of the cheapest options available, starting at £64. Pegasus Airlines flights start at £79 while deals on Gulf Air start at £139 one-way.

  • What are the most popular routes from Iowa to London?

  • Can I find deals for flights from Iowa to London that include hotel bookings?

    Yes. In addition to deals on Iowa to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Iowa to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to London.

  • Can I find deals for business class flights from Iowa to London?

    Yes. Cheapflights offers flight deals from Iowa to London 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?

    Currently, August is the cheapest month in which you can book a flight from Iowa to London (average of £433). Flying from Iowa to London in February is currently the most expensive (average of £596). 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

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Romford
Folkestone
Southall

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Alternative routes for Iowa to London

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Yes, we can. To see specific flights from Iowa to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Iowa to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Iowa today and book when prices fit your budget.

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