Cheap flights from Iowa to London from £162

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 January 2026.

Tue 24/1111:30
DSM
-
LHR
1 stop12h 25m
United Airlines
Wed 25/1111:05
LHR
-
DSM
2 stops39h 51m
United Airlines
Deal found 27/1£383
Tue 1/908:00
DSM
-
LHR
2 stops16h 35m
United Airlines
Wed 2/908:40
LHR
-
DSM
2 stops18h 16m
United Airlines
Deal found 29/1£394
Wed 2/911:30
DSM
-
LHR
2 stops14h 25m
United Airlines
Thu 3/911:05
LHR
-
DSM
1 stop12h 28m
United Airlines
Deal found 29/1£404
Wed 25/218:45
OMA
-
LHR
2 stops16h 20m
Lufthansa
Wed 4/311:10
LHR
-
OMA
2 stops16h 49m
Lufthansa
Deal found 26/1£441
Wed 25/218:55
DSM
-
LHR
2 stops14h 55m
Lufthansa
Wed 4/311:10
LHR
-
DSM
2 stops16h 31m
Lufthansa
Deal found 27/1£443
Tue 24/218:45
OMA
-
LHR
2 stops15h 05m
Lufthansa
Tue 3/309:30
LHR
-
OMA
2 stops16h 42m
Lufthansa
Deal found 26/1£449
Tue 24/217:22
MLI
-
LHR
2 stops19h 13m
Lufthansa
Wed 4/308:45
LHR
-
MLI
2 stops18h 42m
Lufthansa
Deal found 27/1£449
Fri 27/211:21
OMA
-
LHR
2 stops17h 24m
Lufthansa
Fri 6/308:45
LHR
-
OMA
2 stops19h 09m
Lufthansa
Deal found 28/1£451
Wed 4/310:57
DSM
-
LHR
1 stop14h 08m
KLM
Wed 11/306:30
LHR
-
DSM
2 stops15h 24m
KLM
Deal found 28/1£453
Tue 3/217:29
MLI
-
LHR
2 stops16h 21m
Lufthansa
Thu 12/206:30
LHR
-
MLI
2 stops16h 17m
Lufthansa
Deal found 26/1£455
Tue 24/218:45
OMA
-
LHR
1 stop10h 30m
United Airlines
Tue 3/306:35
LHR
-
OMA
2 stops17h 03m
United Airlines
Deal found 26/1£457
Wed 4/313:50
OMA
-
LHR
1 stop13h 50m
United Airlines
Fri 13/306:35
LHR
-
OMA
2 stops18h 46m
United Airlines
Deal found 28/1£459

Find flight deals from Iowa to London

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated 29 January 2026.

Round-trip from

£441

One-way from

£162

Popular in

December

Cheapest in

January

Average price

£512
Lufthansa
  • Lufthansa
  • 25/2-4/3
  • 4 total stops
  • 33h 09m total
  • Iowa to London
British Airways
  • British Airways
  • 10/5
  • 1 total stop
  • 16h 00m total
  • Iowa to London
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 29 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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 4/3

10:57-07:05

1 stop14h 08m

London Heathrow

Wed 11/3

06:30-16:54

2 stops15h 24m

£455

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 25/2

18:45-11:15

1 stop10h 30m

London Heathrow

Wed 4/3

06:50-17:38

2 stops16h 48m

£457

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 24/2

18:45-11:15

1 stop10h 30m

London Heathrow

Tue 3/3

06:35-17:38

2 stops17h 03m

£457

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 25/2

06:50-07:05

1 stop18h 15m

London Heathrow

Mon 2/3

06:30-21:20

2 stops20h 50m

£457

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 11/3

11:30-11:15

1 stop18h 45m

London Heathrow

Tue 17/3

06:50-17:38

2 stops15h 48m

£459

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 4/3

15:22-07:55

1 stop10h 33m

London Heathrow

Thu 12/3

06:50-17:38

2 stops15h 48m

£459

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 8/3

08:00-07:55

1 stop18h 55m

London Heathrow

Tue 17/3

06:50-17:38

2 stops15h 48m

£459

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 4/3

13:50-09:40

1 stop13h 50m

London Heathrow

Fri 13/3

06:35-20:21

2 stops18h 46m

£459

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Thu 26/2

12:16-07:05

1 stop12h 49m

London Heathrow

Thu 5/3

06:30-16:56

2 stops16h 26m

£460

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 24/2

05:55-09:00

1 stop21h 05m

London Heathrow

Wed 4/3

06:30-16:16

2 stops15h 46m

£460

Flights are sorted by cheapest return flights first.

Deals found on 28/1

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 £422). Flying from Iowa to London in February is currently the most expensive (average of £581). 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 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?

    KLM, United Airlines, and Delta can get you from Iowa to London in just under 10h 30m. Your travel time can differ by up to 7h 45m. Airlines will cover a distance of 4269 mi. This flight may include one or multiple stops.

  • 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 £422). Flying from Iowa to London in February is currently the most expensive (average of £581). 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?

Book flights to London if you plan to visit one of these locations
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Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
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Guildford
Chelmsford
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Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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Alternative routes for Iowa to London

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 London?

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Why should you use Cheapflights to find cheap flight tickets from Iowa to London?

Cheapflights simply makes it quick and affordable to book flights from Iowa to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Iowa to London with no change fees?

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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