Heathrow

$306+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
Apr 21 — Apr 281
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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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/20. 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 8/256:00 am
OMA
-
LHR
2 stops18h 30m
United Airlines
Wed 8/2610:50 am
LHR
-
OMA
2 stops17h 06m
United Airlines
Deal found 3/20$702
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Sun 12/68:15 pm
DSM
-
LHR
1 stop33h 00m
United Airlines
Wed 12/911:05 am
LHR
-
DSM
2 stops43h 35m
United Airlines
Deal found 3/21$702
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Mon 10/267:55 am
OMA
-
LHR
2 stops17h 45m
United Airlines
Tue 10/279:00 am
LHR
-
OMA
2 stops17h 29m
United Airlines
Deal found 3/22$703
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 10/256:00 am
OMA
-
LHR
1 stop18h 55m
United Airlines
Mon 10/269:00 am
LHR
-
OMA
2 stops17h 29m
United Airlines
Deal found 3/22$753
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:50 pm
OMA
-
LHR
2 stops21h 40m
Scandinavian Airlines
Thu 10/225:00 pm
LHR
-
OMA
2 stops34h 17m
Scandinavian Airlines
Deal found 3/17$759
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 8/2611:23 am
DSM
-
LHR
2 stops16h 52m
United Airlines
Thu 8/272:05 pm
LHR
-
DSM
2 stops30h 00m
United Airlines
Deal found 3/17$767
This United Airlines deal was found by Cheapflights users on 3/17. 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 10/196:29 pm
OMA
-
LHR
1 stop32h 31m
United Airlines
Thu 10/227:25 am
LHR
-
OMA
2 stops21h 49m
United Airlines
Deal found 3/17$785
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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.
Wed 8/196:45 pm
CID
-
LHR
2 stops17h 40m
Lufthansa
Wed 9/27:25 am
LHR
-
CID
2 stops20h 04m
Lufthansa
Deal found 3/17$785
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:45 pm
CID
-
LHR
2 stops17h 40m
Lufthansa
Fri 9/47:25 am
LHR
-
CID
2 stops20h 04m
Lufthansa
Deal found 3/18$786
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 8/186:25 pm
OMA
-
LHR
2 stops19h 15m
Lufthansa
Tue 8/259:00 am
LHR
-
OMA
2 stops18h 56m
Lufthansa
Deal found 3/20$787
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 9/16:45 pm
CID
-
LHR
2 stops17h 40m
Lufthansa
Tue 9/157:25 am
LHR
-
CID
2 stops20h 04m
Lufthansa
Deal found 3/20$787
This United Airlines deal was found by Cheapflights users on 3/18. 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 11/811:15 am
CID
-
LHR
1 stop14h 40m
United Airlines
Tue 11/107:30 am
LHR
-
CID
2 stops17h 42m
United Airlines
Deal found 3/18$790

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$702
(United Airlines)

One-way from

$306
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$855
Provider with most accurate pricing for Des Moines-London (LON) flight deals.
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
From Iowa to London Heathrow
One-way flight from Iowa to London Heathrow
Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 22, 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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/26

3:24 pm-10:15 am

2 stops12h 51m

London Heathrow

Thu 8/27

2:10 pm-12:34 am

1 stop16h 24m

$787

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 4/21

1:55 pm-6:45 am

1 stop10h 50m

London Heathrow

Tue 4/28

6:55 am-5:06 pm

2 stops16h 11m

$823

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

6:25 am-6:45 am

1 stop18h 20m

London Heathrow

Tue 9/15

10:50 am-9:29 pm

2 stops16h 39m

$825

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 8/18

6:05 pm-12:20 pm

1 stop12h 15m

London Heathrow

Tue 9/1

10:50 am-9:29 pm

2 stops16h 39m

$825

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 5/6

6:35 am-6:30 am

2 stops17h 55m

London Heathrow

Wed 5/13

7:25 am-4:51 pm

2 stops15h 26m

$827

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 8/19

6:05 pm-12:20 pm

1 stop12h 15m

London Heathrow

Fri 9/4

8:00 am-1:59 pm

1 stop11h 59m

$853
Quickest round-trip

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/12

3:24 pm-8:30 am

1 stop11h 06m

London Heathrow

Thu 8/20

8:00 am-2:05 pm

1 stop12h 05m

$854

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/26

5:16 pm-12:20 pm

1 stop13h 04m

London Heathrow

Wed 9/2

11:05 am-5:02 pm

1 stop11h 57m

$854

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 8/18

2:59 pm-11:35 am

1 stop14h 36m

London Heathrow

Sat 8/29

10:50 am-9:56 pm

2 stops17h 06m

$875

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/4

6:30 pm-1:15 pm

1 stop12h 45m

London Heathrow

Wed 8/12

6:30 am-5:09 pm

2 stops16h 39m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 56 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 $582). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of $898). 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 12h 45m. United Airlines provides one of the quickest options available for as low as $880. There are 4176 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?

  • 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 $582). Flying from Iowa to London Heathrow Airport in February is currently the most expensive (average of $898). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$621Average$765FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$947FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$640Average$919FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$726Average$933FlexibilityNo cancel feeOn-time69%

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