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$306+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap 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 March 23, 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 11/88:00 am
DSM
-
LHR
3 stops18h 25m
United Airlines
Tue 11/107:30 am
LHR
-
DSM
2 stops17h 55m
United Airlines
Deal found 3/22$713
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 am
DSM
-
LGW
1 stop17h 00m
Multiple Airlines
Sat 5/302:00 pm
LGW
-
DSM
1 stop24h 53m
Multiple Airlines
Deal found 3/22$740
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 am
DSM
-
LGW
1 stop17h 00m
Multiple Airlines
Mon 6/12:00 pm
LGW
-
DSM
1 stop31h 35m
Multiple Airlines
Deal found 3/22$743
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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:23 am
DSM
-
LGW
2 stops37h 57m
Multiple Airlines
Thu 6/41:05 pm
LGW
-
DSM
1 stop30h 45m
Multiple Airlines
Deal found 3/22$753
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 am
DSM
-
LGW
1 stop17h 00m
Multiple Airlines
Wed 6/32:00 pm
LGW
-
DSM
1 stop24h 37m
Multiple Airlines
Deal found 3/22$758
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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:23 am
DSM
-
LGW
2 stops37h 57m
Multiple Airlines
Wed 5/272:00 pm
LGW
-
DSM
1 stop24h 53m
Multiple Airlines
Deal found 3/22$759
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
DSM
-
LGW
2 stops25h 40m
Multiple Airlines
Wed 5/272:00 pm
LGW
-
DSM
1 stop24h 53m
Multiple Airlines
Deal found 3/22$775

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 March 23, 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.
Search Deals
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
Search Deals
From Iowa to London (LON)
Search Deals
One-way flight from Iowa to London (LON)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 23, 2026.
Use the filters below to find and compare flights from Iowa to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 8/17

3:24 pm-11:55 am

1 stop14h 31m

London Heathrow

Mon 8/24

5:50 pm-5:02 pm

2 stops29h 12m

$838
Quickest round-trip

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

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Sat 5/2

11:00 am-10:00 am

1 stop17h 00m

London Gatwick

Fri 5/29

2:00 pm-4:26 pm

1 stop32h 26m

$858

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Fri 9/4

2:35 pm-1:05 pm

1 stop16h 30m

London Heathrow

Fri 9/11

8:40 am-8:45 pm

2 stops18h 05m

$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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 4/20

6:31 pm-1:15 pm

1 stop12h 44m

London Heathrow

Thu 4/30

6:30 am-5:02 pm

2 stops16h 32m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Iowa to London (average of $582). Flying from Iowa to London 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.

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?

    There are many flights that can get you from Iowa to London in 10h 50m. Fly via United Airlines, Delta, or Air France to get the fastest option. The distance between Iowa and London is about 4063 mi. This flight may include one or multiple stops.

  • 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 Cedar Rapids - London Heathrow.

  • 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, August is the cheapest month in which you can book a flight from Iowa to London (average of $582). Flying from Iowa to London 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?

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

Discover the top 4 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$621Average$761FlexibilityNo 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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