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$333+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/15. 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 11/96:45 pm
DSM
-
LHR
1 stop10h 30m
United Airlines
Wed 11/116:50 am
LHR
-
DSM
2 stops18h 35m
United Airlines
Deal found 4/15$747
This United Airlines deal was found by Cheapflights users on 4/17. 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 11/162:39 pm
CID
-
LHR
1 stop11h 16m
United Airlines
Wed 11/186:50 am
LHR
-
CID
2 stops20h 24m
United Airlines
Deal found 4/17$748
This United Airlines deal was found by Cheapflights users on 4/14. 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 9/68:30 pm
DSM
-
LHR
1 stop30h 00m
United Airlines
Wed 9/96:50 am
LHR
-
DSM
2 stops23h 44m
United Airlines
Deal found 4/14$753
This United Airlines deal was found by Cheapflights users on 4/15. 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 10/196:00 am
OMA
-
LHR
2 stops22h 00m
United Airlines
Wed 10/219:30 am
LHR
-
OMA
2 stops16h 55m
United Airlines
Deal found 4/15$764
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 10/2011:05 am
OMA
-
LHR
2 stops22h 55m
Scandinavian Airlines
Wed 10/286:40 am
LHR
-
OMA
2 stops22h 27m
Scandinavian Airlines
Deal found 4/14$801
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 12/61:45 pm
OMA
-
LHR
3 stops40h 15m
United Airlines
Wed 12/99:00 am
LHR
-
OMA
2 stops18h 29m
United Airlines
Deal found 4/17$840
This KAYAK deal was found by Cheapflights users on 4/15. 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.
Mon 10/122:50 pm
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Sat 10/246:40 am
LHR
-
OMA
2 stops20h 37m
Scandinavian Airlines
Deal found 4/15$843
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 9/255:20 pm
CID
-
LGW
1 stop34h 40m
Multiple Airlines
Thu 10/12:00 pm
LGW
-
CID
1 stop35h 08m
Multiple Airlines
Deal found 4/15$843
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Sun 9/272:15 pm
DSM
-
LHR
2 stops25h 25m
Scandinavian Airlines
Fri 10/26:40 am
LHR
-
DSM
2 stops21h 46m
Scandinavian Airlines
Deal found 4/14$855
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:15 pm
DSM
-
LHR
2 stops21h 25m
Scandinavian Airlines
Wed 9/97:30 pm
LHR
-
DSM
2 stops32h 56m
Scandinavian Airlines
Deal found 4/14$861
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 10/206:29 pm
OMA
-
LHR
2 stops16h 36m
Lufthansa
Wed 10/2811:10 am
LHR
-
OMA
2 stops17h 04m
Lufthansa
Deal found 4/15$871
This United Airlines deal was found by Cheapflights users on 4/14. 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 10/206:29 pm
OMA
-
LHR
1 stop11h 26m
United Airlines
Wed 10/2811:10 am
LHR
-
OMA
2 stops17h 04m
United Airlines
Deal found 4/14$877

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$753
(United Airlines)

One-way from

$333
(Air Canada)

Popular in

June

Cheapest in

January

Average price

$776
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. 20% potential increase in price ($239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 18, 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

Cedar RapidsLondon

CID - LGW

CIDLGW

Cedar Rapids

Fri 9/25

5:20 pm-10:00 am

1 stop34h 40m

London Gatwick

Thu 10/1

2:00 pm-7:08 pm

1 stop35h 08m

$843

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

Wed 9/30

6:50 am-12:14 am

2 stops23h 24m

$878

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Sat 9/19

6:05 pm-9:40 am

1 stop33h 35m

London Heathrow

Wed 9/30

8:40 am-7:12 pm

2 stops16h 32m

$884

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:38 pm-10:50 am

1 stop10h 12m

London Heathrow

Wed 9/30

12:15 pm-11:03 pm

1 stop16h 48m

$898
Quickest round-trip

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 4/28

3:20 pm-10:40 am

2 stops13h 20m

London Heathrow

Thu 5/21

8:00 am-1:56 pm

1 stop11h 56m

$903

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

5:55 am-6:20 am

2 stops18h 25m

London Heathrow

Wed 9/30

8:20 am-10:30 pm

2 stops20h 10m

$910

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

5:00 pm-11:20 am

1 stop12h 20m

London Heathrow

Wed 9/30

12:50 pm-10:30 pm

2 stops15h 40m

$910

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

2:34 pm-10:40 am

2 stops14h 06m

London Heathrow

Tue 9/15

3:20 pm-12:28 am

2 stops15h 08m

$910

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 8/19

11:00 am-10:40 am

2 stops17h 40m

London Heathrow

Wed 9/23

9:55 am-10:30 pm

2 stops18h 35m

$912

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 7/28

2:34 pm-9:00 am

1 stop12h 26m

London Heathrow

Fri 8/14

2:05 pm-12:44 pm

2 stops28h 39m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 51m. Fly via United Airlines, Iberia, or Lufthansa to get the fastest option. The distance between Iowa and London is about 4087 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$902FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$949FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$958FlexibilityNo cancel feeOn-time69%

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