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$324+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
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 August 17, 2026.

This United Airlines deal was found by Cheapflights users on 8/13. 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 11/156:05 am -
2 stops21h 05m
Tue 11/176:50 am -
2 stops16h 38m
Deal found 8/13$747
This United Airlines deal was found by Cheapflights users on 8/11. 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 11/153:43 pm -
1 stop37h 32m
Wed 11/186:50 am -
2 stops16h 51m
Deal found 8/11$752
This United Airlines deal was found by Cheapflights users on 8/13. 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 12/610:35 am -
2 stops17h 30m
Tue 12/87:40 am -
1 stop21h 24m
Deal found 8/13$759
This FlightHub deal was found by Cheapflights users on 8/13. 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 11/156:43 pm -
2 stops34h 02m
Wed 11/186:35 am -
2 stops21h 22m
Deal found 8/13$762
This United Airlines deal was found by Cheapflights users on 8/13. 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 12/79:00 am -
2 stops18h 10m
Wed 12/97:30 am -
2 stops19h 44m
Deal found 8/13$764
This Ticket deal was found by Cheapflights users on 8/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:54 pm -
1 stop12h 21m
Tue 10/138:40 am -
2 stops18h 22m
Deal found 8/13$799
This Ticket deal was found by Cheapflights users on 8/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:31 am -
1 stop13h 44m
Wed 10/712:25 pm -
1 stop14h 35m
Deal found 8/16$836
This Ticket deal was found by Cheapflights users on 8/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:20 am -
2 stops14h 25m
Tue 10/611:30 am -
2 stops17h 03m
Deal found 8/14$841
This lol.travel deal was found by Cheapflights users on 8/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:51 am -
1 stop17h 14m
Wed 10/78:55 am -
1 stop16h 05m
Deal found 8/16$844
This Ticket deal was found by Cheapflights users on 8/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:27 am -
2 stops16h 33m
Wed 10/78:30 am -
2 stops21h 18m
Deal found 8/16$847
This Ticket deal was found by Cheapflights users on 8/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:54 pm -
1 stop12h 21m
Mon 10/59:55 am -
2 stops17h 16m
Deal found 8/14$852
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:01 pm -
1 stop13h 34m
Wed 11/116:15 am -
2 stops18h 39m
Deal found 8/16$855

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 August 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(United Airlines)

One-way from

$324
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$853
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. 19% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 17, 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 Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 11/15

3:15 pm-7:55 am

1 stop10h 40m

London Heathrow

Tue 11/17

6:50 am-7:16 pm

2 stops18h 26m

$747

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Sun 12/6

10:35 am-10:05 am

2 stops17h 30m

London Heathrow

Tue 12/8

7:40 am-11:04 pm

1 stop21h 24m

$759

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 12/7

2:39 pm-10:05 am

2 stops13h 26m

London Heathrow

Wed 12/9

7:40 am-4:54 pm

1 stop15h 14m

$769

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Tue 2/9

10:35 am-7:10 am

2 stops14h 35m

London Heathrow

Tue 2/16

6:50 am-5:41 pm

2 stops16h 51m

$879

OmahaLondon

OMA Omaha Eppley Airfield - LHR London Heathrow

OMALHR

Omaha Eppley Airfield

Sun 9/27

5:25 am-6:25 am

1 stop19h 00m

London Heathrow

Tue 10/13

9:55 am-8:58 pm

2 stops17h 03m

$886

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Wed 9/30

11:19 am-1:15 pm

1 stop19h 56m

London Heathrow

Wed 10/7

8:40 am-10:30 pm

2 stops19h 50m

$886

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 9/29

2:34 pm-11:20 am

1 stop14h 46m

London Heathrow

Tue 10/6

6:30 am-7:11 pm

2 stops18h 41m

$886

OmahaLondon

OMA Omaha Eppley Airfield - LHR London Heathrow

OMALHR

Omaha Eppley Airfield

Sat 10/17

6:25 pm-6:30 am

2 stops30h 05m

London Heathrow

Thu 11/12

6:50 am-5:43 pm

2 stops16h 53m

$889

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 9/30

10:59 am-7:15 am

2 stops14h 16m

London Heathrow

Wed 10/7

8:40 am-8:40 pm

2 stops18h 00m

$891

MolineLondon

MLI Moline Quad-City - LHR London Heathrow

MLILHR

Moline Quad-City

Wed 9/23

5:16 pm-1:15 pm

1 stop13h 59m

London Heathrow

Wed 9/30

8:55 am-10:30 pm

2 stops19h 35m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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, November is the cheapest month in which you can book a flight from Iowa to London (average of $791). Flying from Iowa to London in June is currently the most expensive (average of $1,490). 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 40m. Fly via United Airlines, Lufthansa, or Iberia to get the fastest option. The distance between Iowa and London is about 4176 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 Omaha Eppley Airfield - London Heathrow. You may also consider Des Moines - 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, November is the cheapest month in which you can book a flight from Iowa to London (average of $791). Flying from Iowa to London in June is currently the most expensive (average of $1,490). 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
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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 August 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$1,035FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$1,091FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$723Average$974FlexibilityNo cancel feeOn-time69%

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