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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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Aug 4 — Aug 111
Tue 8/4
Tue 8/11
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 July 5, 2026.

This United Airlines deal was found by Cheapflights users on 7/2. 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 11/1010:35 am
MLI
-
LHR
1 stop15h 20m
United Airlines
Thu 11/126:50 am
LHR
-
MLI
2 stops14h 17m
United Airlines
Deal found 7/2$736
This United Airlines deal was found by Cheapflights users on 7/2. 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 11/32:55 pm
OMA
-
LHR
1 stop34h 45m
United Airlines
Fri 11/66:50 am
LHR
-
OMA
2 stops20h 57m
United Airlines
Deal found 7/2$751
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/131:55 pm
OMA
-
LHR
2 stops38h 15m
United Airlines
Fri 10/166:50 am
LHR
-
OMA
2 stops22h 09m
United Airlines
Deal found 7/1$757
This Ovago deal was found by Cheapflights users on 7/3. 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.
Sun 11/81:50 pm
OMA
-
LHR
2 stops37h 20m
Lufthansa
Wed 11/118:45 am
LHR
-
OMA
2 stops19h 02m
Lufthansa
Deal found 7/3$814
This United Airlines deal was found by Cheapflights users on 6/30. 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 6/30$863
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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 10/206:30 pm
OMA
-
LHR
2 stops15h 10m
Lufthansa
Tue 11/107:40 am
LHR
-
OMA
2 stops18h 40m
Lufthansa
Deal found 6/30$867
This United Airlines deal was found by Cheapflights users on 7/1. 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 stops16h 17m
United Airlines
Wed 9/306:50 am
LHR
-
MLI
2 stops18h 13m
United Airlines
Deal found 7/1$867
This Cheapflightsfares deal was found by Cheapflights users on 7/4. 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.
Sun 10/116:46 pm
CID
-
LHR
2 stops17h 39m
Lufthansa
Tue 11/1711:10 am
LHR
-
CID
2 stops16h 29m
Lufthansa
Deal found 7/4$869
This Expedia deal was found by Cheapflights users on 7/2. 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.
Wed 9/303:16 pm
OMA
-
LHR
1 stop14h 59m
Iberia
Tue 10/611:30 am
LHR
-
OMA
2 stops18h 39m
Iberia
Deal found 7/2$870
This Iberia deal was found by Cheapflights users on 7/4. 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.
Sun 10/116:13 pm
CID
-
LHR
1 stop10h 37m
Iberia
Tue 11/177:30 am
LHR
-
CID
2 stops18h 08m
Iberia
Deal found 7/4$870
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/1211:33 am
OMA
-
LHR
1 stop16h 07m
United Airlines
Fri 10/166:50 am
LHR
-
OMA
2 stops22h 09m
United Airlines
Deal found 7/1$873
This Delta deal was found by Cheapflights users on 7/2. 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 12/25:45 am
DSM
-
LHR
1 stop20h 05m
Delta
Tue 12/88:40 am
LHR
-
DSM
2 stops16h 32m
Delta
Deal found 7/2$874

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 July 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$751
(United Airlines)

One-way from

$327
(oojo)

Popular in

June

Cheapest in

August

Average price

$1,145
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. 21% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 5, 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 11/3

5:31 pm-7:10 am

2 stops31h 39m

London Heathrow

Fri 11/6

6:50 am-7:47 pm

2 stops18h 57m

$754

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

8:13 am-6:30 am

2 stops16h 17m

London Heathrow

Wed 9/30

6:50 am-7:03 pm

2 stops18h 13m

$867

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sat 8/15

8:14 am-9:20 am

2 stops19h 06m

London Heathrow

Sat 8/22

7:30 am-7:31 pm

2 stops18h 01m

$879

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:19 am-6:25 am

1 stop13h 06m

London Heathrow

Wed 9/30

9:55 am-10:30 pm

2 stops18h 35m

$883

Cedar RapidsLondon

CID - LCY

CIDLCY

Cedar Rapids

Wed 12/2

5:30 pm-5:20 pm

2 stops17h 50m

London City

Wed 12/9

9:20 am-10:56 pm

2 stops19h 36m

$903

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 11/25

2:50 pm-11:40 am

1 stop14h 50m

London Heathrow

Sat 12/12

8:40 am-9:07 pm

2 stops18h 27m

$923

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 10/5

2:08 pm-10:30 am

2 stops14h 22m

London Heathrow

Sun 10/11

6:30 am-5:20 pm

2 stops16h 50m

$928

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 8/12

3:00 pm-11:55 am

1 stop14h 55m

London Heathrow

Wed 8/26

6:50 am-9:19 pm

2 stops20h 29m

$933

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 8/26

10:40 am-7:15 am

1 stop14h 35m

London Heathrow

Wed 9/9

9:55 am-8:51 pm

2 stops16h 56m

$934

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/18

10:59 am-1:05 pm

1 stop20h 06m

London Heathrow

Tue 8/25

6:30 am-2:04 pm

2 stops13h 34m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, December is the cheapest month in which you can book a flight from Iowa to London (average of $449). Flying from Iowa to London in June is currently the most expensive (average of $1,049). 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 13h 06m. Fly via United Airlines, Delta, or KLM 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 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, December is the cheapest month in which you can book a flight from Iowa to London (average of $449). Flying from Iowa to London in June is currently the most expensive (average of $1,049). 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 July 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$1,022FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$956FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$998FlexibilityNo cancel feeOn-time69%

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