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$279+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
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 June 21, 2026.

This United Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 11/162:56 pm
DSM
-
LHR
1 stop13h 19m
United Airlines
Wed 11/186:50 am
LHR
-
DSM
2 stops20h 45m
United Airlines
Deal found 6/20$746
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 11/83:35 pm
OMA
-
LHR
1 stop33h 50m
United Airlines
Wed 11/116:50 am
LHR
-
OMA
2 stops16h 44m
United Airlines
Deal found 6/19$752
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:30 am
DSM
-
LGW
2 stops26h 10m
Multiple Airlines
Sun 9/132:00 pm
LGW
-
DSM
1 stop25h 34m
Multiple Airlines
Deal found 6/19$762
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:01 pm
OMA
-
LGW
1 stop33h 59m
Multiple Airlines
Sat 9/122:00 pm
LGW
-
OMA
1 stop33h 41m
Multiple Airlines
Deal found 6/18$801
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:29 am
DSM
-
LGW
2 stops23h 11m
Multiple Airlines
Sun 9/132:00 pm
LGW
-
DSM
1 stop25h 34m
Multiple Airlines
Deal found 6/19$839
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 9/43:44 pm
MLI
-
LHR
1 stop33h 01m
United Airlines
Sun 9/136:50 am
LHR
-
MLI
2 stops33h 17m
United Airlines
Deal found 6/20$864
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 9/1410:24 am
DSM
-
LGW
1 stop17h 36m
Multiple Airlines
Mon 9/282:00 pm
LGW
-
DSM
2 stops53h 52m
Multiple Airlines
Deal found 6/16$865
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 9/238:13 am
MLI
-
LHR
2 stops17h 02m
United Airlines
Wed 9/306:50 am
LHR
-
MLI
2 stops18h 13m
United Airlines
Deal found 6/20$868
This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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.
Wed 10/216:46 pm
CID
-
LHR
2 stops18h 54m
Lufthansa
Tue 10/277:40 am
LHR
-
CID
2 stops20h 16m
Lufthansa
Deal found 6/20$868
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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.
Wed 10/216:55 pm
DSM
-
LHR
2 stops18h 45m
Lufthansa
Thu 10/2911:10 am
LHR
-
DSM
2 stops16h 52m
Lufthansa
Deal found 6/19$870
This Travelocity deal was found by Cheapflights users on 6/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:46 pm
CID
-
LHR
1 stop14h 04m
Iberia
Tue 10/277:30 am
LHR
-
CID
2 stops19h 11m
Iberia
Deal found 6/20$870
This Orbitz deal was found by Cheapflights users on 6/18. 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.
Tue 10/135:09 pm
OMA
-
LHR
1 stop13h 41m
Iberia
Tue 10/277:30 am
LHR
-
OMA
2 stops21h 12m
Iberia
Deal found 6/18$872

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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$746
(United Airlines)

One-way from

$279
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,638
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. 22% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 21, 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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/16

2:56 pm-10:15 am

1 stop13h 19m

London Heathrow

Wed 11/18

6:50 am-9:35 pm

2 stops20h 45m

$746

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Fri 9/4

3:44 pm-6:45 am

1 stop33h 01m

London Heathrow

Sun 9/13

6:50 am-10:07 am

2 stops33h 17m

$864

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Mon 9/14

10:24 am-10:00 am

1 stop17h 36m

London Gatwick

Mon 9/28

2:00 pm-1:52 pm

2 stops53h 52m

$865

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-10:50 am

1 stop10h 31m

London Heathrow

Tue 10/13

6:15 am-5:54 pm

2 stops17h 39m

$878

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 10/21

11:18 am-12:15 pm

1 stop18h 57m

London Heathrow

Tue 10/27

6:05 am-11:19 pm

2 stops22h 14m

$878

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 11/8

9:30 am-7:10 am

2 stops15h 40m

London Heathrow

Wed 11/11

6:50 am-5:34 pm

2 stops16h 44m

$879

OmahaLondon

OMA - LCY

OMALCY

Omaha Eppley Airfield

Tue 9/15

6:25 pm-5:55 pm

2 stops17h 30m

London City

Tue 9/22

9:15 am-8:23 pm

2 stops17h 08m

$910

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Thu 10/8

1:55 pm-12:25 pm

1 stop16h 30m

London Heathrow

Thu 10/15

6:50 am-10:59 pm

2 stops22h 09m

$924

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 9/28

1:24 pm-11:55 am

1 stop16h 31m

London Heathrow

Sun 10/4

6:50 am-5:33 pm

2 stops16h 43m

$926

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Thu 10/1

8:00 am-5:55 am

2 stops15h 55m

London Heathrow

Tue 10/6

6:50 am-5:34 pm

2 stops16h 44m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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, February is the cheapest month in which you can book a flight from Iowa to London (average of $524). Flying from Iowa to London in June is currently the most expensive (average of $684). 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?

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 31m. Fly via United Airlines, British Airways, or Lufthansa to get the fastest option. The distance between Iowa and London is about 3976 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, February is the cheapest month in which you can book a flight from Iowa to London (average of $524). Flying from Iowa to London in June is currently the most expensive (average of $684). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$910FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$961FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$723Average$958FlexibilityNo cancel feeOn-time69%

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