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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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/14. 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 12/65:42 pm
MLI
-
LHR
1 stop32h 13m
United Airlines
Wed 12/97:30 am
LHR
-
MLI
2 stops19h 28m
United Airlines
Deal found 7/14$816
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:35 pm
MLI
-
LHR
1 stop11h 20m
United Airlines
Mon 11/166:50 am
LHR
-
MLI
2 stops14h 17m
United Airlines
Deal found 7/16$836
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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.
Wed 10/216:55 pm
DSM
-
LHR
2 stops16h 10m
Lufthansa
Thu 10/2911:10 am
LHR
-
DSM
2 stops16h 52m
Lufthansa
Deal found 7/14$869
This Travelocity deal was found by Cheapflights users on 7/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:29 pm
OMA
-
LHR
1 stop14h 21m
Iberia
Tue 10/277:30 am
LHR
-
OMA
2 stops21h 55m
Iberia
Deal found 7/16$871
This Iberia deal was found by Cheapflights users on 7/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:01 pm
DSM
-
LHR
1 stop11h 39m
Iberia
Thu 10/296:15 am
LHR
-
DSM
2 stops22h 49m
Iberia
Deal found 7/14$871
This Travelocity deal was found by Cheapflights users on 7/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:13 pm
CID
-
LHR
1 stop10h 37m
Iberia
Wed 10/216:15 am
LHR
-
CID
2 stops24h 06m
Iberia
Deal found 7/15$871
This United Airlines deal was found by Cheapflights users on 7/14. 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 11/101:50 pm
OMA
-
LHR
2 stops17h 40m
United Airlines
Wed 11/186:50 am
LHR
-
OMA
2 stops16h 44m
United Airlines
Deal found 7/14$876
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:55 am
DSM
-
LHR
1 stop18h 10m
Delta
Tue 11/108:40 am
LHR
-
DSM
2 stops18h 12m
Delta
Deal found 7/14$876
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:13 pm
OMA
-
LHR
2 stops12h 47m
United Airlines
Tue 10/276:50 am
LHR
-
OMA
2 stops17h 57m
United Airlines
Deal found 7/16$879
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:03 am
OMA
-
LHR
2 stops16h 17m
Delta
Thu 11/196:30 am
LHR
-
OMA
2 stops16h 36m
Delta
Deal found 7/14$880
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Wed 10/147:55 am
CID
-
LHR
2 stops16h 00m
United Airlines
Wed 10/216:55 am
LHR
-
CID
2 stops16h 28m
United Airlines
Deal found 7/15$880
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:33 am
DSM
-
LHR
1 stop19h 02m
United Airlines
Tue 10/66:50 am
LHR
-
DSM
2 stops16h 58m
United Airlines
Deal found 7/16$884

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$782
(United Airlines)

One-way from

$327
(Booking.com)

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 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

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 1/11

6:00 am-7:10 am

3 stops19h 10m

London Heathrow

Tue 1/12

5:30 pm-8:25 pm

2 stops32h 55m

$782

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 12/6

5:42 pm-7:55 am

1 stop32h 13m

London Heathrow

Wed 12/9

7:30 am-8:58 pm

2 stops19h 28m

$816

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

5:16 pm-1:15 pm

1 stop13h 59m

London Heathrow

Wed 9/30

6:30 am-4:29 pm

2 stops15h 59m

$884

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 10/5

10:59 am-1:05 pm

1 stop20h 06m

London Heathrow

Thu 10/15

9:55 am-8:51 pm

2 stops16h 56m

$885

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 11/10

8:00 am-7:10 am

3 stops17h 10m

London Heathrow

Tue 11/17

1:00 pm-12:36 pm

2 stops29h 36m

$888

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:19 am-1:15 pm

1 stop19h 56m

London Heathrow

Wed 9/30

11:30 am-10:30 pm

2 stops17h 00m

$892

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Sun 9/27

5:59 pm-4:00 pm

2 stops16h 01m

London Gatwick

Tue 10/6

10:35 am-10:34 pm

2 stops17h 59m

$895

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Wed 9/23

5:16 pm-4:00 pm

2 stops16h 44m

London Gatwick

Wed 9/30

10:25 am-10:30 pm

2 stops18h 05m

$896

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Tue 10/6

5:10 pm-9:25 am

2 stops58h 15m

London Gatwick

Fri 10/16

10:25 am-10:34 pm

2 stops18h 09m

$903

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Tue 10/6

5:10 pm-9:25 am

2 stops58h 15m

London Gatwick

Wed 10/14

10:25 am-10:34 pm

2 stops18h 09m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

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 $792). Flying from Iowa to London in June is currently the most expensive (average of $1,443). 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 59m. 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 Moline Quad-City - 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, November is the cheapest month in which you can book a flight from Iowa to London (average of $792). Flying from Iowa to London in June is currently the most expensive (average of $1,443). 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
Dartford
Southend-on-Sea
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$1,035FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$1,002FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$998FlexibilityNo cancel feeOn-time69%

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