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

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at £315. Delta flights start at £355 while deals on United Airlines start at £374 one-way.

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 Gatwick.

How far in advance should I book a flight from Iowa to London?

Travelers have found it’s best to book a flight 38 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Iowa to London 1-2 weeks in advance for as low as £623, or £1,419 for flights within the next 24 hours.

What is the cheapest month to fly from Iowa to London?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to London. Flights to London from Iowa in January are about £681 on average during January, but can be found for as low as £460.

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

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.

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 holiday 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.

£278+ Flights from Iowa to London - Compare & Save Big

Cheap flight deals from Iowa to London

Round-trip from	£526
One-way from	£278
Popular in	June
Cheapest in	January
Average price	£656

Delta
6/8-15/8
4 total stops
37h 18m total
Iowa to London

Search Deals

4/8
2 total stops
25h 00m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£98 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 30 April 2025.

Wed 13/809:43OMA - LHR

1 stop14h 42mIberia

Wed 20/810:30LHR - OMA

1 stop17h 56mIberia

Deal found 29/4£506

Tue 9/914:50OMA - LHR

1 stop14h 20mDelta

Tue 16/906:15LHR - OMA

2 stops17h 31mDelta

Deal found 29/4£522

Wed 6/807:00CID - LGW

2 stops21h 00mDelta

Fri 15/812:00LGW - CID

2 stops16h 18mDelta

Deal found 30/4£526

Sun 10/816:21MLI - LHR

1 stop14h 24mAmerican Airlines

Tue 30/913:10LHR - MLI

1 stop16h 12mAmerican Airlines

Deal found 30/4£528

Sun 21/905:45DSM - LHR

1 stop19h 00mDelta

Thu 9/1012:25LHR - DSM

1 stop14h 59mDelta

Deal found 29/4£528

Sun 12/1005:45CID - LHR

1 stop19h 00mDelta

Fri 31/1012:10LHR - CID

1 stop15h 18mDelta

Deal found 29/4£528

Mon 22/907:13DSM - LGW

2 stops18h 57mMultiple Airlines

Fri 10/1015:05LGW - DSM

2 stops29h 24mMultiple Airlines

Deal found 29/4£529

Sun 10/805:55MLI - LHR

2 stops21h 20mDelta

Tue 30/909:35LHR - MLI

2 stops18h 55mDelta

Deal found 30/4£531

Wed 13/815:43OMA - LHR

1 stop16h 42mFinnair

Wed 20/816:10LHR - OMA

2 stops32h 38mFinnair

Deal found 29/4£540

Sun 12/1009:27DSM - LHR

1 stop22h 58mFinnair

Mon 20/1016:10LHR - DSM

2 stops32h 17mFinnair

Deal found 29/4£541

Wed 27/808:00OMA - LHR

2 stops16h 30mMultiple Airlines

Tue 9/909:00LHR - OMA

2 stops18h 48mMultiple Airlines

Deal found 28/4£570

Tue 2/918:21OMA - LHR

1 stop11h 24mUnited Airlines

Fri 26/914:05LHR - OMA

2 stops30h 17mUnited Airlines

Deal found 29/4£570

Best flights from Iowa to London
Discover carefully curated flight deals from Iowa to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Wed 6/807:00CID - LGW

2 stops21h 00mDelta

Fri 15/812:00LGW - CID

2 stops16h 18mDelta

Deal found 30/4£526

Sun 10/816:21MLI - LHR

1 stop14h 24mAmerican Airlines

Tue 30/913:10LHR - MLI

1 stop16h 12mAmerican Airlines

Deal found 30/4£528

Mon 22/907:13DSM - LGW

2 stops18h 57mMultiple Airlines

Fri 10/1015:05LGW - DSM

2 stops29h 24mMultiple Airlines

Deal found 29/4£529

Sun 12/1009:27DSM - LHR

1 stop22h 58mFinnair

Mon 20/1016:10LHR - DSM

2 stops32h 17mFinnair

Deal found 29/4£541

Sun 27/711:46OMA - LHR

1 stop12h 39mIberia

Mon 25/812:30LHR - OMA

1 stop17h 29mIberia

Deal found 29/4£542

Sun 14/914:00DSM - LHR

1 stop16h 15mBritish Airways

Tue 23/906:10LHR - DSM

2 stops17h 29mBritish Airways

Deal found 29/4£570

Sun 10/815:45MLI - LHR

1 stop10h 35mUnited Airlines

Tue 30/914:05LHR - MLI

2 stops31h 00mUnited Airlines

Deal found 29/4£570

Sat 20/918:51DSM - LHR

2 stops29h 39mAir Canada

Wed 8/1015:50LHR - DSM

2 stops24h 49mAir Canada

Deal found 29/4£575

Sun 10/817:27MLI - LHR

1 stop11h 43mKLM

Tue 30/909:20LHR - MLI

1 stop13h 02mKLM

Deal found 29/4£588

Sat 16/811:59DSM - LHR

2 stops23h 41mScandinavian Airlines

Wed 20/806:40LHR - DSM

2 stops21h 42mScandinavian Airlines

Deal found 29/4£588

Mon 25/817:29CID - LHR

2 stops16h 11mLufthansa

Mon 8/920:25LHR - CID

2 stops31h 05mLufthansa

Deal found 29/4£600

Tue 13/505:00OMA - LHR

2 stops21h 00mAer Lingus

Tue 20/509:50LHR - OMA

2 stops18h 47mAer Lingus

Deal found 29/4£690

Last-minute flights from Iowa to London
Discover last-minute flight deals from Iowa to London. Data last updated 30 April 2025 and is based on user searches.

Wed 30/411:54DSM - LHR

1 stop13h 26mAmerican Airlines

Wed 7/509:15LHR - DSM

1 stop12h 11mAmerican Airlines

Deal found 29/4£658

Mon 5/514:15DSM - LHR

1 stop17h 15mDelta

Tue 13/511:30LHR - DSM

2 stops17h 00mDelta

Deal found 29/4£652

Mon 5/518:13DSM - LHR

1 stop10h 17mIberia

Tue 13/512:15LHR - DSM

1 stop11h 28mIberia

Deal found 29/4£688

Mon 5/518:45DSM - LHR

2 stops29h 45mMultiple Airlines

Tue 13/507:25LHR - DSM

2 stops20h 27mMultiple Airlines

Deal found 29/4£700

Mon 5/516:04DSM - LHR

1 stop12h 56mBritish Airways

Tue 13/506:10LHR - DSM

2 stops17h 33mBritish Airways

Deal found 29/4£701

Mon 5/511:26DSM - LCY

2 stops19h 04mMultiple Airlines

Tue 13/508:45LCY - DSM

2 stops15h 05mMultiple Airlines

Deal found 29/4£741

Mon 5/514:20DSM - LGW

2 stops14h 30mIberia

Tue 13/520:40LGW - DSM

2 stops27h 03mIberia

Deal found 29/4£754

Mon 5/513:31DSM - LGW

2 stops19h 04mMultiple Airlines

Tue 13/512:40LGW - DSM

3 stops26h 57mMultiple Airlines

Deal found 29/4£788

Thu 8/515:20DSM - LHR

1 stop14h 15mUnited Airlines

Tue 27/514:05LHR - DSM

2 stops26h 15mUnited Airlines

Deal found 29/4£834

Thu 8/518:45DSM - LHR

2 stops29h 45mAir Canada

Tue 27/514:05LHR - DSM

2 stops26h 15mAir Canada

Deal found 29/4£839

Tue 13/512:43OMA - LHR

1 stop18h 02mFinnair

Tue 20/518:10LHR - OMA

2 stops35h 05mFinnair

Deal found 29/4£685

Tue 13/519:29OMA - LHR

1 stop29h 51mIberia

Tue 20/512:15LHR - OMA

1 stop16h 22mIberia

Deal found 29/4£688

One-way flights from Iowa to London
Search for one-way flight options from Iowa to London. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Mon 4/808:35DSM - LGW

2 stops25h 00mMultiple Airlines

Deal found 29/4£278

Mon 4/808:35DSM - LHR

2 stops43h 45mMultiple Airlines

Deal found 29/4£284

Mon 4/819:22DSM - LHR

1 stop13h 03mAmerican Airlines

Deal found 29/4£315

Mon 4/813:59DSM - LCY

3 stops40h 06mMultiple Airlines

Deal found 29/4£335

Fri 15/810:15DSM - LHR

2 stops15h 00mDelta

Deal found 29/4£355

Tue 8/710:32OMA - LHR

2 stops16h 18mDelta

Deal found 29/4£357

Mon 4/815:38DSM - LCY

2 stops14h 52mUnited Airlines

Deal found 29/4£374

Fri 15/808:00DSM - LHR

3 stops16h 30mAir Canada

Deal found 29/4£390

Wed 14/506:00MLI - LHR

2 stops20h 50mDelta

Deal found 29/4£391

Tue 8/708:00OMA - LHR

3 stops16h 30mAir Canada

Deal found 29/4£400

Sun 18/511:30OMA - LHR

2 stops17h 10mUnited Airlines

Deal found 29/4£428

Sun 18/509:34OMA - LCY

2 stops19h 26mBritish Airways

Deal found 29/4£461

Cheapflights Fare Finder

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

Cedar RapidsLondon

CID - LGW

CIDLGW

Cedar Rapids

Wed 6/8

07:00-10:00

2 stops21h 00m

London Gatwick

Fri 15/8

12:00-22:18

2 stops16h 18m

£526

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 10/8

16:21-12:45

1 stop14h 24m

London Heathrow

Tue 30/9

13:10-23:22

1 stop16h 12m

£528

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 21/9

11:04-06:45

1 stop13h 41m

London Heathrow

Fri 10/10

09:20-22:23

1 stop19h 03m

£528

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Sun 12/10

16:20-13:10

1 stop14h 50m

London Heathrow

Wed 29/10

09:20-21:51

1 stop17h 31m

£528

Des MoinesLondon

DSM - LGW

DSMLGW

Des Moines

Mon 22/9

07:13-08:10

2 stops18h 57m

London Gatwick

Fri 10/10

15:05-14:29

2 stops29h 24m

£529

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 10/8

05:55-09:15

2 stops21h 20m

London Heathrow

Tue 30/9

09:35-22:30

2 stops18h 55m

£531

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 12/10

09:27-14:25

1 stop22h 58m

London Heathrow

Mon 20/10

16:10-18:27

2 stops32h 17m

£541

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 27/7

11:46-06:25

1 stop12h 39m

London Heathrow

Mon 25/8

12:30-23:59

1 stop17h 29m

£542

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Mon 22/9

16:05-10:50

1 stop12h 45m

London Heathrow

Fri 10/10

13:25-20:32

1 stop13h 07m

£558

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 10/8

15:45-08:20

1 stop10h 35m

London Heathrow

Tue 30/9

14:05-15:05

2 stops31h 00m

£570

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 53 results

...

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 return 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, January is the cheapest month in which you can book a flight from Iowa to London (average of £112). Flying from Iowa to London in August is currently the most expensive (average of £164). 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.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and Finnair from Iowa to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,936 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Iowa to London one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at £315. Delta flights start at £355 while deals on United Airlines start at £374 one-way.
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 Gatwick.
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 holiday 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, January is the cheapest month in which you can book a flight from Iowa to London (average of £112). Flying from Iowa to London in August is currently the most expensive (average of £164). 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Folkestone

Dartford

Watford

Chichester

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Iowa to London

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£494	Average£1,087	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from Iowa to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Iowa today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Iowa to London?

Cheapflights simply makes it quick and affordable to book flights from Iowa to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Iowa to London with no change fees?

Yes, we can. To see specific flights from Iowa to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Iowa to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Iowa today and book when prices fit your budget.

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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.

Cheap flights from Iowa to London from £278

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Iowa to London

Cheapest flights from Iowa to LondonExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

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

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.

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?

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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 30 April 2025.

See what other customers who have flown with Delta, KLM and Finnair from Iowa to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the most popular routes from Iowa to London?

Can I find deals for flights from Iowa to London that include hotel bookings?

How can I find direct flights from Iowa to London?

Can I find deals for business class flights from Iowa to London?

What is the cheapest month to book a flight from Iowa to London?

Travelling to a place near Iowa?

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.

Top airline flying from Iowa to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Iowa to London?

Why should you use Cheapflights to find cheap flight tickets from Iowa to London?

Can Cheapflights find flights from Iowa to London with no change fees?

Can Cheapflights notify me if prices for flights from Iowa to London become cheaper?

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Travel Smart

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 30 April 2025.