London

$221+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Mar 23 — Mar 301
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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 February 21, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:45 pm
OMA
-
LHR
2 stops18h 55m
Lufthansa
Wed 4/158:30 am
LHR
-
OMA
2 stops17h 57m
Lufthansa
Deal found 2/19$636
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:00 pm
DSM
-
LHR
1 stop13h 40m
British Airways
Wed 4/297:50 am
LHR
-
DSM
2 stops21h 59m
British Airways
Deal found 2/19$637
This Booking.com deal was found by Cheapflights users on 2/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:34 am
CID
-
LHR
2 stops20h 01m
Multiple Airlines
Wed 4/89:00 am
LHR
-
CID
2 stops18h 38m
Multiple Airlines
Deal found 2/17$640
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:00 am
OMA
-
LHR
2 stops17h 40m
United Airlines
Wed 3/251:25 pm
LHR
-
OMA
2 stops26h 09m
United Airlines
Deal found 2/18$641
This Orbitz deal was found by Cheapflights users on 2/19. 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 4/72:55 pm
OMA
-
LHR
1 stop17h 30m
Iberia
Wed 4/1511:30 am
LHR
-
OMA
2 stops18h 02m
Iberia
Deal found 2/19$643
This Iberia deal was found by Cheapflights users on 2/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:03 pm
DSM
-
LHR
1 stop10h 12m
Iberia
Tue 5/126:15 am
LHR
-
DSM
2 stops19h 18m
Iberia
Deal found 2/19$643
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:45 pm
MLI
-
LHR
2 stops16h 55m
Lufthansa
Tue 5/1910:50 am
LHR
-
MLI
2 stops16h 07m
Lufthansa
Deal found 2/19$644
This Iberia deal was found by Cheapflights users on 2/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:00 pm
DSM
-
LHR
1 stop13h 40m
Iberia
Wed 4/297:50 am
LHR
-
DSM
2 stops21h 59m
Iberia
Deal found 2/18$644
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:45 pm
OMA
-
LHR
2 stops16h 55m
Lufthansa
Wed 4/228:30 am
LHR
-
OMA
2 stops17h 57m
Lufthansa
Deal found 2/19$646
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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 4/156:45 pm
OMA
-
LHR
2 stops17h 55m
Lufthansa
Wed 4/229:30 am
LHR
-
OMA
2 stops16h 57m
Lufthansa
Deal found 2/17$647
This oojo deal was found by Cheapflights users on 2/17. 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 4/1512:00 pm
DSM
-
LHR
1 stop16h 30m
British Airways
Mon 4/207:25 pm
LHR
-
DSM
2 stops34h 24m
British Airways
Deal found 2/17$647
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/13:22 pm
OMA
-
LHR
1 stop11h 08m
United Airlines
Wed 4/810:50 am
LHR
-
OMA
2 stops17h 16m
United Airlines
Deal found 2/19$648

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(Cheapflightsfares)

One-way from

$221
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$785
Provider with most accurate pricing for Des Moines-London (LON) flight deals.
Provider most trusted by Cheapflights users for Des Moines-London (LON) flights.
From Iowa to London (LON)
One-way flight from Iowa to London (LON)
Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 21, 2026.
Use the filters below to find and compare flights from Iowa to London that are best for you.

Fly from

Iowa

Fly to

London

Route

Depart

Return

Price

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 3/18

8:00 am-6:40 am

2 stops17h 40m

London Heathrow

Wed 3/25

1:25 pm-10:34 am

2 stops26h 09m

$641

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Fri 3/20

6:15 am-7:30 am

1 stop20h 15m

London Heathrow

Wed 3/25

1:25 pm-10:34 am

2 stops26h 09m

$641

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 4/21

2:55 pm-2:25 pm

1 stop17h 30m

London Heathrow

Wed 4/29

11:30 am-11:32 pm

2 stops18h 02m

$643

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 4/15

12:00 pm-10:30 am

1 stop16h 30m

London Heathrow

Mon 4/20

7:25 pm-11:49 pm

2 stops34h 24m

$647

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 4/15

2:44 pm-11:20 am

1 stop14h 36m

London Heathrow

Wed 4/29

6:30 am-8:39 pm

2 stops20h 09m

$648

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 4/1

3:22 pm-8:30 am

1 stop11h 08m

London Heathrow

Wed 4/8

10:50 am-10:06 pm

2 stops17h 16m

$648

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 4/29

4:23 pm-1:05 pm

1 stop14h 42m

London Heathrow

Fri 5/8

6:30 am-5:06 pm

2 stops16h 36m

$649

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 4/1

2:40 pm-8:30 am

1 stop11h 50m

London Heathrow

Wed 4/8

6:50 am-9:38 pm

2 stops20h 48m

$649

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 4/15

11:51 am-6:25 am

1 stop12h 34m

London Heathrow

Wed 4/29

9:20 am-5:45 pm

1 stop14h 25m

$656

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Tue 4/7

6:30 am-6:45 am

1 stop18h 15m

London Heathrow

Tue 4/14

7:25 am-5:06 pm

2 stops15h 41m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Iowa to London (average of $582). Flying from Iowa to London in February is currently the most expensive (average of $820). 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 16h 30m. Fly via United Airlines, Iberia, or British Airways 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?

  • 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, August is the cheapest month in which you can book a flight from Iowa to London (average of $582). Flying from Iowa to London in February is currently the most expensive (average of $820). 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
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Iowa to London

See prices for flight routes from nearby airports that may be better suited for you.

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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$621Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$930FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$640Average$973FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$726Average$916FlexibilityNo cancel feeOn-time69%

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