HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$333+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 16, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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 8/236:15 am
DSM
-
LHR
1 stop19h 30m
United Airlines
Tue 8/256:50 am
LHR
-
DSM
2 stops16h 28m
United Airlines
Deal found 5/13$808
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 8/2511:32 am
DSM
-
LHR
2 stops16h 28m
United Airlines
Thu 8/276:50 am
LHR
-
DSM
2 stops16h 38m
United Airlines
Deal found 5/13$811
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/246:55 pm
DSM
-
LHR
1 stop32h 05m
United Airlines
Thu 8/276:50 am
LHR
-
DSM
2 stops16h 38m
United Airlines
Deal found 5/13$813
This United Airlines deal was found by Cheapflights users on 5/12. 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 12/88:00 am
DSM
-
LHR
3 stops18h 25m
United Airlines
Thu 12/107:30 am
LHR
-
DSM
2 stops19h 47m
United Airlines
Deal found 5/12$825
This Orbitz deal was found by Cheapflights users on 5/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:15 pm
DSM
-
LHR
2 stops52h 15m
Multiple Airlines
Mon 10/197:30 pm
LHR
-
DSM
2 stops31h 47m
Multiple Airlines
Deal found 5/14$829
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/243:20 pm
DSM
-
LHR
2 stops12h 55m
United Airlines
Wed 8/268:00 am
LHR
-
DSM
1 stop20h 28m
United Airlines
Deal found 5/13$831
This The Travel House deal was found by Cheapflights users on 5/13. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:41 pm
OMA
-
LHR
2 stops36h 39m
Scandinavian Airlines
Wed 9/27:30 pm
LHR
-
OMA
2 stops31h 43m
Scandinavian Airlines
Deal found 5/13$857
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:44 pm
OMA
-
LHR
1 stop10h 31m
Iberia
Tue 10/2011:30 am
LHR
-
OMA
2 stops18h 00m
Iberia
Deal found 5/15$869
This Expedia deal was found by Cheapflights users on 5/12. 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 8/196:00 am
MLI
-
LHR
1 stop18h 25m
KLM
Wed 9/2311:45 am
LHR
-
MLI
2 stops34h 37m
KLM
Deal found 5/12$870
This Expedia deal was found by Cheapflights users on 5/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:52 am
OMA
-
LHR
1 stop17h 13m
Iberia
Wed 9/1611:30 am
LHR
-
OMA
2 stops18h 00m
Iberia
Deal found 5/15$874
This Iberia deal was found by Cheapflights users on 5/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:07 pm
OMA
-
LHR
1 stop12h 28m
Iberia
Thu 11/2610:05 am
LHR
-
OMA
2 stops19h 54m
Iberia
Deal found 5/13$875
This Iberia deal was found by Cheapflights users on 5/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:24 am
OMA
-
LHR
1 stop16h 16m
Iberia
Wed 10/711:30 am
LHR
-
OMA
2 stops18h 00m
Iberia
Deal found 5/13$876

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 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(United Airlines)

One-way from

$333
(oojo)

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 16, 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

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

11:00 am-6:25 am

1 stop13h 25m

London Heathrow

Wed 9/30

8:40 am-10:30 pm

2 stops19h 50m

$878

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Wed 9/23

6:22 am-6:50 am

1 stop18h 28m

London Heathrow

Wed 9/30

11:10 am-11:03 pm

1 stop17h 53m

$897

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 9/2

12:55 pm-10:50 am

1 stop15h 55m

London Heathrow

Tue 9/8

3:15 pm-12:15 am

1 stop15h 00m

$908

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 9/23

2:15 pm-7:15 am

1 stop11h 00m

London Heathrow

Fri 10/2

6:30 am-5:42 pm

2 stops17h 12m

$939

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 9/27

2:35 pm-1:15 pm

2 stops16h 40m

London Heathrow

Fri 10/2

9:55 am-8:45 pm

2 stops16h 50m

$943

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

5:45 am-8:50 am

2 stops21h 05m

London Heathrow

Tue 9/15

9:55 am-9:50 pm

2 stops17h 55m

$944

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sat 8/1

6:50 pm-6:55 am

2 stops30h 05m

London Heathrow

Thu 8/20

6:50 am-10:26 am

2 stops33h 36m

$949

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/1

6:00 am-6:30 am

2 stops18h 30m

London Heathrow

Tue 9/15

5:40 pm-5:15 pm

2 stops29h 35m

$956
Quickest round-trip

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 11/11

6:44 pm-11:35 am

1 stop10h 51m

London Heathrow

Mon 11/16

11:00 am-10:19 pm

1 stop17h 19m

$957

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 10/19

3:11 pm-11:55 am

1 stop14h 44m

London Heathrow

Fri 10/30

1:35 pm-11:01 pm

1 stop14h 26m

$967

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

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 13h 25m. Fly via Delta, United Airlines, or Aer Lingus 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 Cedar Rapids - 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, 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$583Average$902FlexibilityNo cancel feeOn-time71%
DeltaCheapest$591Average$761FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$627Average$950FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$723Average$958FlexibilityNo 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.