HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$322+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Iowa to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 21, 2026.

This United Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 11/101:45 pm
OMA
-
LHR
2 stops17h 45m
United Airlines
Thu 11/126:50 am
LHR
-
OMA
2 stops16h 31m
United Airlines
Deal found 5/19$775
This United Airlines deal was found by Cheapflights users on 5/20. 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 11/116:15 am
LSE
-
LHR
1 stop23h 45m
United Airlines
Fri 11/136:50 am
LHR
-
LSE
2 stops36h 15m
United Airlines
Deal found 5/20$775
This FlightHub deal was found by Cheapflights users on 5/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:15 pm
DSM
-
LHR
2 stops25h 25m
Scandinavian Airlines
Mon 11/96:40 am
LHR
-
DSM
2 stops21h 49m
Scandinavian Airlines
Deal found 5/20$874
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 pm
MLI
-
LHR
1 stop14h 15m
Delta
Wed 9/308:40 am
LHR
-
MLI
2 stops19h 50m
Delta
Deal found 5/20$875
This Orbitz deal was found by Cheapflights users on 5/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:15 pm
DSM
-
LHR
2 stops19h 45m
Scandinavian Airlines
Thu 10/297:30 pm
LHR
-
DSM
2 stops31h 59m
Scandinavian Airlines
Deal found 5/19$879
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:50 pm
OMA
-
LHR
2 stops19h 10m
Scandinavian Airlines
Wed 12/26:40 am
LHR
-
OMA
2 stops23h 27m
Scandinavian Airlines
Deal found 5/18$881
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:38 am
DSM
-
LHR
1 stop16h 02m
British Airways
Fri 10/212:15 pm
LHR
-
DSM
1 stop13h 46m
British Airways
Deal found 5/20$882
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:37 pm
DSM
-
LHR
1 stop10h 13m
British Airways
Wed 10/2812:35 pm
LHR
-
DSM
1 stop12h 36m
British Airways
Deal found 5/20$884
This FlightHub deal was found by Cheapflights users on 5/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:19 pm
LSE
-
LHR
1 stop10h 31m
British Airways
Tue 10/137:30 am
LHR
-
LSE
2 stops21h 49m
British Airways
Deal found 5/21$889
This Justfly.com deal was found by Cheapflights users on 5/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:07 pm
DSM
-
LHR
1 stop11h 08m
British Airways
Thu 10/297:30 am
LHR
-
DSM
2 stops17h 41m
British Airways
Deal found 5/19$891
This FlightHub deal was found by Cheapflights users on 5/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:47 am
CID
-
LHR
1 stop17h 28m
British Airways
Tue 9/156:15 am
LHR
-
CID
2 stops22h 56m
British Airways
Deal found 5/20$892
This FlightHub deal was found by Cheapflights users on 5/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 pm
DSM
-
LHR
1 stop11h 00m
British Airways
Wed 9/167:50 am
LHR
-
DSM
2 stops21h 38m
British Airways
Deal found 5/16$893

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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$775
(United Airlines)

One-way from

$322
(SmartFares)

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 ($324 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 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

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 11/10

1:45 pm-1:30 pm

2 stops17h 45m

London Heathrow

Thu 11/12

6:50 am-5:21 pm

2 stops16h 31m

$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-1:05 pm

2 stops36h 15m

$775

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:00 am-11:20 am

1 stop18h 20m

London Heathrow

Wed 9/30

8:40 am-10:30 pm

2 stops19h 50m

$877

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/9

2:15 pm-6:30 pm

2 stops22h 15m

London Heathrow

Fri 11/13

6:40 am-10:29 pm

2 stops21h 49m

$894

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

4:28 pm-10:55 am

1 stop12h 27m

London Heathrow

Wed 9/30

1:10 pm-11:03 pm

1 stop15h 53m

$894
Quickest round-trip

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-12:15 pm

1 stop11h 56m

London Heathrow

Tue 10/13

2:45 pm-11:19 pm

1 stop14h 34m

$894

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 9/27

11:04 am-11:20 am

1 stop18h 16m

London Heathrow

Fri 10/2

9:55 am-9:17 pm

2 stops17h 22m

$903

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 11/9

11:30 am-7:55 am

1 stop14h 25m

London Heathrow

Fri 11/13

6:50 am-5:33 pm

2 stops16h 43m

$904

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 8/24

7:08 am-7:10 am

2 stops18h 02m

London Heathrow

Wed 9/2

8:40 am-7:35 pm

2 stops16h 55m

$910

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 9/23

10:15 am-10:20 am

2 stops18h 05m

London Heathrow

Fri 10/2

9:55 am-9:17 pm

2 stops17h 22m

$910

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 17h 45m. Fly via United Airlines, Delta, or Scandinavian Airlines to get the fastest option. The distance between Iowa and London is about 4269 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 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, 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
Dorking
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

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 May 21, 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$973FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.