HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$280+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — LON
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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

Keep the following information in mind while searching for Iowa to London flight deals. Data was last updated July 1, 2025.

Round-trip from

$605
(World Air Fares)

One-way from

$280
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,079
From Iowa to London (LON)
Search Deals
One-way flight from Iowa to London (LON)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 10/18:57 amCID - LGW
1 stop19h 03mMultiple Airlines
Tue 10/72:00 pmLGW - CID
1 stop24h 07mMultiple Airlines
Deal found 6/29$600
This World Air Fares 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:25 amDSM - LHR
1 stop12h 55mLufthansa
Tue 8/1911:25 amLHR - DSM
1 stop15h 04mLufthansa
Deal found 6/30$605
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:23 pmDSM - LHR
1 stop13h 47mVirgin Atlantic
Wed 8/209:20 amLHR - DSM
1 stop19h 19mVirgin Atlantic
Deal found 7/1$619
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.
Wed 8/2011:35 amDSM - LHR
1 stop12h 45mUnited Airlines
Wed 8/272:05 pmLHR - DSM
2 stops28h 18mUnited Airlines
Deal found 6/30$632
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.
Tue 9/302:48 pmCID - LHR
1 stop11h 32mUnited Airlines
Tue 10/72:05 pmLHR - CID
2 stops30h 07mUnited Airlines
Deal found 6/30$632
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:50 pmDSM - LHR
2 stops29h 40mAir Canada
Fri 8/292:05 pmLHR - DSM
2 stops33h 08mAir Canada
Deal found 6/29$637
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 amCID - LHR
1 stop18h 40mMultiple Airlines
Wed 12/36:20 amLHR - CID
2 stops15h 27mMultiple Airlines
Deal found 7/1$646
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:18 amDSM - LHR
2 stops14h 02mDelta
Tue 9/26:15 amLHR - DSM
2 stops16h 57mDelta
Deal found 6/30$650
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 amCID - LHR
2 stops19h 10mDelta
Wed 12/36:20 amLHR - CID
2 stops15h 27mDelta
Deal found 7/1$651
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:40 pmDSM - LHR
1 stop12h 50mKLM
Tue 8/129:20 amLHR - DSM
1 stop19h 19mKLM
Deal found 7/1$678
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:32 pmCID - LHR
2 stops16h 08mLufthansa
Mon 9/18:25 pmLHR - CID
2 stops31h 05mLufthansa
Deal found 7/1$691
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2511:24 amDSM - LGW
2 stops16h 36mDelta
Fri 8/812:00 pmLGW - DSM
2 stops16h 33mDelta
Deal found 7/1$696

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 1, 2025.
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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/12

11:25 am-6:20 am

1 stop12h 55m

London Heathrow

Tue 8/19

11:25 am-8:29 pm

1 stop15h 04m

$605

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Fri 8/8

5:23 pm-1:10 pm

1 stop13h 47m

London Heathrow

Wed 8/20

9:20 am-10:39 pm

1 stop19h 19m

$619

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 8/20

1:10 pm-6:20 am

1 stop11h 10m

London Heathrow

Wed 8/27

2:05 pm-12:23 pm

2 stops28h 18m

$632

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Tue 9/30

2:48 pm-8:20 am

1 stop11h 32m

London Heathrow

Tue 10/7

2:05 pm-2:12 pm

2 stops30h 07m

$632

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 8/18

6:50 pm-6:30 am

2 stops29h 40m

London Heathrow

Fri 8/29

2:05 pm-5:13 pm

2 stops33h 08m

$637

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 11/19

5:45 am-6:25 am

1 stop18h 40m

London Heathrow

Wed 12/3

6:20 am-3:47 pm

2 stops15h 27m

$646

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 8/18

10:18 am-6:20 am

2 stops14h 02m

London Heathrow

Tue 9/2

6:15 am-5:12 pm

2 stops16h 57m

$650

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 11/19

5:45 am-6:55 am

2 stops19h 10m

London Heathrow

Wed 12/3

6:20 am-3:47 pm

2 stops15h 27m

$651

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Tue 8/5

6:40 pm-1:30 pm

1 stop12h 50m

London Heathrow

Tue 8/12

9:20 am-10:39 pm

1 stop19h 19m

$678

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Mon 8/18

5:32 pm-3:40 pm

2 stops16h 08m

London Heathrow

Mon 9/1

8:25 pm-9:30 pm

2 stops31h 05m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 55 results
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, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London in June is currently the most expensive (average of $1,098). 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.

What is the cheapest time of day to fly from IA to LON?

Find hourly flight availability from Iowa to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

When flying from Iowa to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Iowa to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Iowa to London to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,973 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Iowa to London one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $381. United Airlines flights start at $399 while deals on Delta start at $419 one-way.

  • 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 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, November is the cheapest month in which you can book a flight from Iowa to London (average of $661). Flying from Iowa to London in June is currently the most expensive (average of $1,098). 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 Iowa?

Book flights to Iowa if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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.

Alternative routes for Iowa to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Newark to Gatwick flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Boston to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Luton flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Orlando to Heathrow flights
Los Angeles to London City flights
Denver to Heathrow flights
Hobby to Heathrow flights
Newark to Stansted flights
Boston to London City flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
Los Angeles to Gatwick flights
John F Kennedy Intl to Edinburgh flights
Seattle to Gatwick flights
Newark to Luton flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Minneapolis to Heathrow flights
Newark to Edinburgh flights
O'Hare Intl to Gatwick flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
San Francisco to London City flights
Seattle to London City flights
Boston to Edinburgh flights
Detroit to Heathrow flights
Dulles Intl to Stansted flights

Top 5 airlines flying from Iowa to London

Discover the top 5 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$646Average$810FlexibilityNo cancel feeOn-time70%
DeltaCheapest$664Average$804FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$696Average$964FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$697Average$878FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$705Average$941FlexibilityNo cancel feeOn-time72%

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.