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$232+ Cheap flights from Iowa to London (LON)

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$649
(Ticket)

One-way from

$232
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,246
From Iowa to London (LON)
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One-way flight from Iowa to London (LON)
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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 London

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 June 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.
Tue 7/2211:24 amDSM - LHR
1 stop17h 46mVirgin Atlantic
Tue 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.
Tue 7/2211:24 amDSM - LGW
2 stops16h 36mDelta
Tue 7/2912:00 pmLGW - DSM
2 stops16h 33mDelta
Deal found 6/10$694
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.
Tue 7/156:05 amDSM - LHR
1 stop20h 50mDelta
Thu 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.
Mon 7/142:29 pmDSM - LHR
1 stop14h 41mKLM
Wed 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.
Fri 11/142:50 pmOMA - LHR
2 stops19h 10mScandinavian Airlines
Sat 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.
Wed 10/158:00 amOMA - LHR
2 stops18h 35mMultiple Airlines
Wed 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.
Wed 8/208:00 amDSM - LHR
2 stops16h 30mMultiple Airlines
Wed 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.
Sun 9/212:21 pmDSM - LHR
1 stop15h 54mIberia
Wed 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.
Mon 12/298:15 amCID - LHR
2 stops40h 55mMultiple Airlines
Tue 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.
Wed 8/278:00 amOMA - LHR
2 stops16h 30mUnited Airlines
Wed 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.
Sun 9/2111:35 amDSM - LHR
1 stop14h 45mUnited Airlines
Fri 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.
Sun 8/1010:59 amMLI - LHR
1 stop15h 21mUnited Airlines
Tue 9/302:05 pmLHR - MLI
2 stops31h 00mUnited Airlines
Deal found 6/10$728

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 2025.
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

Tue 7/22

11:24 am-11:10 am

1 stop17h 46m

London Heathrow

Tue 7/29

12:25 pm-8:57 pm

1 stop14h 32m

$649

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Tue 7/22

11:24 am-10:00 am

2 stops16h 36m

London Gatwick

Tue 7/29

12:00 pm-10:33 pm

2 stops16h 33m

$694

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 7/15

6:05 am-8:55 am

1 stop20h 50m

London Heathrow

Thu 7/24

6:15 am-8:33 pm

2 stops20h 18m

$703

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 7/14

2:29 pm-11:10 am

1 stop14h 41m

London Heathrow

Wed 7/23

11:45 am-8:33 pm

1 stop14h 48m

$704

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Fri 11/14

2:50 pm-4:00 pm

2 stops19h 10m

London Heathrow

Sat 11/22

6:40 am-11:56 pm

2 stops23h 16m

$708

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 10/15

8:00 am-8:35 am

2 stops18h 35m

London Heathrow

Wed 10/22

10:50 am-9:48 pm

2 stops16h 58m

$726

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/20

8:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 9/3

6:55 am-9:45 pm

2 stops20h 50m

$726

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 8/27

4:51 pm-11:35 am

1 stop12h 44m

London Heathrow

Wed 10/1

2:05 pm-9:48 pm

2 stops37h 43m

$728

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/26

6:15 pm-11:45 am

1 stop11h 30m

London Heathrow

Wed 9/3

2:05 pm-10:39 am

2 stops26h 34m

$728

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 8/10

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

Tue 9/30

2:05 pm-3:05 pm

2 stops31h 00m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 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

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

Currently, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London 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 LON?

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

When flying from Iowa to London, 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 London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Iowa to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 London. 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 one-way?

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $446. Air Canada flights start at $453 while deals on British Airways start at $457 one-way.

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

    The most popular route from Iowa to London is Des Moines - London Heathrow. You may also consider Omaha Eppley Airfield - London Heathrow or Des Moines - London City.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London 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
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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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.
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Top 5 airlines flying from Iowa to London

Discover the top 5 airlines that operate flights from Iowa to London. 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 June 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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