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Heathrow

$299+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LHR
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Iowa to Heathrow

Keep the following information in mind while searching for Iowa to Heathrow flight deals. Data was last updated junio 12, 2025.

Round-trip from

$649
(Ticket)

One-way from

$299
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$1,246
From Iowa to London Heathrow
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One-way flight from Iowa to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This Ticket deal was found by Cheapflights users on 6/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2211:24 amDSM - LHR
1 stop17h 46mVirgin Atlantic
mar. 7/2912:25 pmLHR - DSM
1 stop14h 32mVirgin Atlantic
Deal found 6/11$649
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/156:05 amDSM - LHR
1 stop20h 50mDelta
jue. 7/246:15 amLHR - DSM
2 stops20h 18mDelta
Deal found 6/10$703
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/142:29 pmDSM - LHR
1 stop14h 41mKLM
mié. 7/2311:45 amLHR - DSM
1 stop14h 48mKLM
Deal found 6/10$704
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/142:50 pmOMA - LHR
2 stops19h 10mScandinavian Airlines
sáb. 11/226:40 amLHR - OMA
2 stops23h 16mScandinavian Airlines
Deal found 6/11$708
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/158:00 amOMA - LHR
2 stops18h 35mMultiple Airlines
mié. 10/2210:50 amLHR - OMA
2 stops16h 58mMultiple Airlines
Deal found 6/11$726
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/208:00 amDSM - LHR
2 stops16h 30mMultiple Airlines
mié. 9/36:55 amLHR - DSM
2 stops20h 50mMultiple Airlines
Deal found 6/10$726
This Iberia deal was found by Cheapflights users on 6/12. 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.
dom. 9/212:21 pmDSM - LHR
1 stop15h 54mIberia
mié. 10/17:30 pmLHR - DSM
2 stops34h 05mIberia
Deal found 6/12$727
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:15 amCID - LHR
2 stops40h 55mMultiple Airlines
mar. 1/65:50 pmLHR - CID
2 stops33h 24mMultiple Airlines
Deal found 6/11$727
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/278:00 amOMA - LHR
2 stops16h 30mUnited Airlines
mié. 10/12:05 pmLHR - OMA
2 stops37h 43mUnited Airlines
Deal found 6/10$728
This United Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 9/2111:35 amDSM - LHR
1 stop14h 45mUnited Airlines
vie. 10/32:05 pmLHR - DSM
2 stops30h 18mUnited Airlines
Deal found 6/11$728
This United Airlines deal was found by Cheapflights users on 6/10. 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.
dom. 8/1010:59 amMLI - LHR
1 stop15h 21mUnited Airlines
mar. 9/302:05 pmLHR - MLI
2 stops31h 00mUnited Airlines
Deal found 6/10$728
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/276:35 amCID - LHR
2 stops21h 25mUnited Airlines
vie. 9/262:05 pmLHR - CID
2 stops30h 07mUnited Airlines
Deal found 6/11$728

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 junio 12, 2025.
Use the filters below to find and compare flights from Iowa to London Heathrow Airport that are best for you.

Fly from

Iowa

Fly to

Heathrow

Route

Depart

Return

Price

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mar. 7/22

11:24 am-11:10 am

1 stop17h 46m

London Heathrow

mar. 7/29

12:25 pm-8:57 pm

1 stop14h 32m

$649

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mar. 7/15

6:05 am-8:55 am

1 stop20h 50m

London Heathrow

jue. 7/24

6:15 am-8:33 pm

2 stops20h 18m

$703

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

lun. 7/14

2:29 pm-11:10 am

1 stop14h 41m

London Heathrow

mié. 7/23

11:45 am-8:33 pm

1 stop14h 48m

$704

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

vie. 11/14

2:50 pm-4:00 pm

2 stops19h 10m

London Heathrow

sáb. 11/22

6:40 am-11:56 pm

2 stops23h 16m

$708

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

mié. 10/15

8:00 am-8:35 am

2 stops18h 35m

London Heathrow

mié. 10/22

10:50 am-9:48 pm

2 stops16h 58m

$726

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mié. 8/20

8:00 am-6:30 am

2 stops16h 30m

London Heathrow

mié. 9/3

6:55 am-9:45 pm

2 stops20h 50m

$726

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

mié. 8/27

4:51 pm-11:35 am

1 stop12h 44m

London Heathrow

mié. 10/1

2:05 pm-9:48 pm

2 stops37h 43m

$728

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mar. 8/26

6:15 pm-11:45 am

1 stop11h 30m

London Heathrow

mié. 9/3

2:05 pm-10:39 am

2 stops26h 34m

$728

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

dom. 8/10

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

mar. 9/30

2:05 pm-3:05 pm

2 stops31h 00m

$728

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

mié. 8/6

4:19 pm-1:10 pm

1 stop14h 51m

London Heathrow

vie. 8/15

1:05 pm-10:55 pm

1 stop15h 50m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 48 results
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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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of $661). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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.

What is the cheapest time of day to fly from IA to LHR?

Find hourly flight availability from Iowa to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Iowa to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Iowa to London, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    One-way options have recently been found by users for as low as $446 on KLM. Other airlines that offer cheap prices include Air Canada from $453 and British Airways from $457 one-way.

  • 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, November is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of $661). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 Iowa?

Book flights to Iowa if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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.
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Top 5 airlines flying from Iowa to Heathrow

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$646Average$812FlexibilityNo cancel feeOn-time70%
DeltaCheapest$664Average$836FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$676Average$963FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$701Average$909FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$705Average$941FlexibilityNo cancel feeOn-time72%

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