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$327+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
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 May 27, 2026.

This United Airlines deal was found by Cheapflights users on 5/24. 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 11/118:15 am
OMA
-
LHR
1 stop17h 15m
United Airlines
Fri 11/136:50 am
LHR
-
OMA
2 stops16h 31m
United Airlines
Deal found 5/24$775
This United Airlines deal was found by Cheapflights users on 5/26. 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 11/112:39 pm
CID
-
LHR
1 stop15h 21m
United Airlines
Fri 11/136:50 am
LHR
-
CID
2 stops18h 22m
United Airlines
Deal found 5/26$775
This United Airlines deal was found by Cheapflights users on 5/26. 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 11/116:15 am
LSE
-
LHR
1 stop23h 45m
United Airlines
Fri 11/136:50 am
LHR
-
LSE
2 stops32h 06m
United Airlines
Deal found 5/26$775
This United Airlines deal was found by Cheapflights users on 5/26. 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 11/85:03 pm
DSM
-
LHR
1 stop34h 37m
United Airlines
Wed 11/116:50 am
LHR
-
DSM
2 stops18h 35m
United Airlines
Deal found 5/26$780
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/44:59 pm
DSM
-
LGW
1 stop35h 01m
Multiple Airlines
Wed 7/82:00 pm
LGW
-
DSM
1 stop24h 33m
Multiple Airlines
Deal found 5/25$830
This Ovago deal was found by Cheapflights users on 5/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:19 am
OMA
-
LHR
2 stops17h 56m
British Airways
Tue 9/13:15 pm
LHR
-
OMA
1 stop14h 55m
British Airways
Deal found 5/26$852
This Iberia deal was found by Cheapflights users on 5/26. 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.
Tue 10/207:30 am
DSM
-
LHR
1 stop18h 10m
Iberia
Wed 10/286:15 am
LHR
-
DSM
2 stops18h 56m
Iberia
Deal found 5/26$872
This Iberia deal was found by Cheapflights users on 5/24. 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.
Tue 11/1711:35 am
OMA
-
LHR
1 stop14h 40m
Iberia
Wed 12/27:40 pm
LHR
-
OMA
2 stops19h 03m
Iberia
Deal found 5/24$873
This Iberia deal was found by Cheapflights users on 5/27. 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.
Wed 10/217:30 am
DSM
-
LHR
1 stop18h 10m
Iberia
Thu 10/296:15 am
LHR
-
DSM
2 stops18h 56m
Iberia
Deal found 5/27$873
This FlightHub deal was found by Cheapflights users on 5/26. 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.
Mon 11/232:50 pm
OMA
-
LHR
2 stops24h 50m
Scandinavian Airlines
Wed 12/26:40 am
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 5/26$875
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 9/235:55 am
MLI
-
LHR
1 stop18h 30m
Delta
Wed 9/308:40 am
LHR
-
MLI
2 stops19h 50m
Delta
Deal found 5/23$876
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/44:59 pm
DSM
-
LGW
1 stop35h 01m
Multiple Airlines
Mon 7/62:00 pm
LGW
-
DSM
1 stop31h 24m
Multiple Airlines
Deal found 5/25$876

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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$775
(United Airlines)

One-way from

$327
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,241
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. 25% potential increase in price ($322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 27, 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 - LHR

CIDLHR

Cedar Rapids

Wed 11/11

11:15 am-12:00 pm

1 stop18h 45m

London Heathrow

Fri 11/13

6:50 am-4:54 pm

2 stops16h 04m

$775

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 11/11

6:15 am-12:00 pm

1 stop23h 45m

London Heathrow

Fri 11/13

6:50 am-8:56 am

2 stops32h 06m

$775

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

5:55 am-6:25 am

1 stop18h 30m

London Heathrow

Wed 9/30

6:30 am-4:29 pm

2 stops15h 59m

$877

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:00 am-6:25 am

1 stop18h 25m

London Heathrow

Wed 9/30

8:40 am-10:24 pm

2 stops19h 44m

$877

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-11:15 am

1 stop10h 56m

London Heathrow

Tue 10/13

2:45 pm-11:19 pm

1 stop14h 34m

$888

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 9/22

6:24 pm-12:15 pm

1 stop11h 51m

London Heathrow

Tue 9/29

7:30 am-11:15 pm

2 stops21h 45m

$890

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:00 am-6:50 am

1 stop18h 50m

London Heathrow

Wed 9/30

1:10 pm-12:05 am

1 stop16h 55m

$895

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/9

1:05 pm-5:55 am

1 stop10h 50m

London Heathrow

Fri 11/13

6:50 am-7:25 pm

2 stops18h 35m

$904

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 9/23

11:28 am-1:15 pm

1 stop19h 47m

London Heathrow

Fri 10/2

6:30 am-9:02 pm

2 stops20h 32m

$905

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 11/17

1:45 pm-1:30 pm

2 stops17h 45m

London Heathrow

Wed 12/9

11:10 am-9:29 pm

2 stops16h 19m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

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 18h 25m. Fly via United Airlines, KLM, or Delta 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 Omaha Eppley Airfield - 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, 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
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton

Browse thousands of different options on Cheapflights for your next trip

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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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$902FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$970FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$723Average$974FlexibilityNo cancel feeOn-time69%

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