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$333+ Cheap flights from Iowa to Heathrow (LHR)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap flight deals from Iowa to Heathrow

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 April 23, 2026.

This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:15 pm
DSM
-
LHR
1 stop14h 00m
United Airlines
Wed 11/116:50 am
LHR
-
DSM
2 stops16h 43m
United Airlines
Deal found 4/18$748
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:39 pm
CID
-
LHR
1 stop11h 16m
United Airlines
Wed 11/186:50 am
LHR
-
CID
2 stops20h 24m
United Airlines
Deal found 4/19$748
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:15 pm
LSE
-
LHR
1 stop33h 00m
United Airlines
Thu 11/196:50 am
LHR
-
LSE
2 stops32h 06m
United Airlines
Deal found 4/18$748
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:15 pm
OMA
-
LHR
2 stops31h 55m
United Airlines
Wed 12/96:35 am
LHR
-
OMA
2 stops20h 54m
United Airlines
Deal found 4/18$759
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:15 pm
DSM
-
LHR
2 stops14h 05m
Multiple Airlines
Wed 11/1111:10 am
LHR
-
DSM
2 stops16h 07m
Multiple Airlines
Deal found 4/19$759
This Cheapflightsfares deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:25 pm
CID
-
LHR
2 stops14h 25m
Lufthansa
Wed 11/187:40 am
LHR
-
CID
2 stops19h 34m
Lufthansa
Deal found 4/19$761
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am
OMA
-
LHR
2 stops22h 00m
United Airlines
Wed 10/219:30 am
LHR
-
OMA
2 stops16h 34m
United Airlines
Deal found 4/18$764
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:55 am
OMA
-
LHR
1 stop18h 00m
United Airlines
Thu 11/126:50 am
LHR
-
OMA
2 stops16h 31m
United Airlines
Deal found 4/21$808
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:15 am
CID
-
LHR
1 stop18h 00m
United Airlines
Thu 12/39:00 am
LHR
-
CID
2 stops18h 14m
United Airlines
Deal found 4/22$814
This Cheapflightsfares deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:50 pm
OMA
-
LHR
2 stops24h 50m
Scandinavian Airlines
Wed 10/286:40 am
LHR
-
OMA
2 stops22h 27m
Scandinavian Airlines
Deal found 4/21$849
This Iberia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:36 pm
DSM
-
LHR
1 stop14h 14m
Iberia
Tue 10/137:50 am
LHR
-
DSM
2 stops18h 21m
Iberia
Deal found 4/21$873
This Orbitz deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:52 am
OMA
-
LHR
1 stop17h 08m
Iberia
Wed 10/146:15 am
LHR
-
OMA
2 stops18h 09m
Iberia
Deal found 4/18$874

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(United Airlines)

One-way from

$333
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$776
Provider with most accurate pricing for Des Moines-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
Search Deals
From Iowa to London Heathrow
Search Deals
One-way flight from Iowa to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($241 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 23, 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 round-trip

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 10/7

7:55 am-6:55 am

2 stops17h 00m

London Heathrow

Wed 10/14

10:50 am-9:29 pm

2 stops16h 39m

$879

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 9/27

5:00 am-6:30 am

2 stops19h 30m

London Heathrow

Fri 10/2

2:05 pm-2:11 pm

2 stops30h 06m

$891

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:29 am-6:50 am

1 stop13h 21m

London Heathrow

Wed 9/30

1:10 pm-11:03 pm

1 stop15h 53m

$897

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

5:55 am-6:20 am

2 stops18h 25m

London Heathrow

Wed 9/30

11:45 am-10:30 pm

2 stops16h 45m

$911

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:00 am-9:15 am

2 stops16h 15m

London Heathrow

Wed 9/30

9:40 am-10:30 pm

2 stops18h 50m

$912

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 9/27

2:15 pm-9:40 pm

2 stops25h 25m

London Heathrow

Fri 10/2

6:40 am-10:26 pm

3 stops21h 46m

$920

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 8/5

9:06 am-6:30 am

2 stops15h 24m

London Heathrow

Wed 8/12

11:25 am-6:19 pm

1 stop12h 54m

$936

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 9/14

1:41 pm-6:45 am

1 stop11h 04m

London Heathrow

Thu 9/24

8:45 am-12:22 am

2 stops21h 37m

$939

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 9/13

8:15 am-6:30 am

2 stops16h 15m

London Heathrow

Thu 9/24

8:45 am-12:22 am

2 stops21h 37m

$942

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 10/20

7:55 am-6:55 am

2 stops17h 00m

London Heathrow

Thu 10/29

7:30 am-9:29 pm

2 stops18h 59m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 60 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 round-trip 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 $535). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of $888). 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 to fly round-trip 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?

    A quick flight from Iowa to London Heathrow Airport can take about 18h 25m. United Airlines provides one of the quickest options available for as low as $911. There are 4063 mi between Iowa and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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 vacation 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 $535). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of $888). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

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.

Top 4 airlines flying from Iowa to Heathrow

Discover the top 4 airlines that operate flights from Iowa to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$898FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$738FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$949FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$958FlexibilityNo cancel feeOn-time69%

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