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

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £338. Delta flights start at £352 while deals on Air Canada start at £357 one-way.

What are the most popular routes from Iowa to London Heathrow Airport?

Most travelers choose Des Moines - London Heathrow, Omaha Eppley Airfield - London Heathrow or Cedar Rapids - London Heathrow when deciding on the best route from Iowa to London Heathrow Airport.

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

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 Heathrow Airport 1-2 weeks in advance for as low as £631, or £1,437 for flights within the next 24 hours.

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

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 Heathrow Airport. Flights to London Heathrow Airport from Iowa in January are about £689 on average during January, but can be found for as low as £466.

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

When flying from Iowa to London Heathrow Airport, 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 Heathrow that include hotel bookings?

Yes. In addition to deals on Iowa to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Iowa to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to Heathrow.

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

Yes. Cheapflights offers flight deals from Iowa to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£338+ Flights from Iowa to London Heathrow Airport

Cheap flight deals from Iowa to Heathrow

Round-trip from	£504
One-way from	£338
Popular in	June
Cheapest in	January
Average price	£635

British Airways
13/5-20/5
2 total stops
32h 38m total
Iowa to London

Search Deals

Aer Lingus
15/10
2 total stops
20h 19m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£109 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Iowa to Heathrow

Cheapest flights from Iowa to Heathrow
Explore the most affordable flight options available from Iowa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 avril 2025.

mar. 13/511:51DSM - LHR

1 stop15h 14mBritish Airways

mar. 20/512:15LHR - DSM

1 stop17h 24mBritish Airways

Deal found 17/4£504

mar. 16/1211:21OMA - LHR

2 stops13h 09mMultiple Airlines

lun. 5/120:15LHR - OMA

2 stops31h 14mMultiple Airlines

Deal found 17/4£540

ven. 10/1006:00OMA - LHR

2 stops18h 35mAir Canada

jeu. 16/1009:30LHR - OMA

2 stops18h 18mAir Canada

Deal found 17/4£547

mer. 20/814:50OMA - LHR

2 stops36h 30mScandinavian Airlines

mer. 27/817:00LHR - OMA

2 stops36h 53mScandinavian Airlines

Deal found 17/4£563

mer. 27/816:14OMA - LHR

1 stop12h 36mIberia

mer. 1/1010:30LHR - OMA

1 stop17h 57mIberia

Deal found 17/4£570

mer. 27/811:28OMA - LHR

2 stops13h 02mUnited Airlines

mer. 1/1014:05LHR - OMA

2 stops37h 43mUnited Airlines

Deal found 17/4£576

mar. 13/513:40DSM - LHR

1 stop14h 00mUnited Airlines

mar. 20/514:05LHR - DSM

2 stops26h 25mUnited Airlines

Deal found 17/4£576

dim. 10/810:59MLI - LHR

1 stop18h 46mUnited Airlines

mar. 30/914:05LHR - MLI

2 stops31h 00mUnited Airlines

Deal found 17/4£576

mar. 12/808:05CID - LHR

1 stop16h 15mMultiple Airlines

mar. 19/809:30LHR - CID

2 stops31h 03mMultiple Airlines

Deal found 17/4£576

dim. 24/811:25CID - LHR

1 stop13h 55mIberia

mer. 10/906:15LHR - CID

2 stops21h 44mIberia

Deal found 17/4£578

lun. 6/1011:35DSM - LHR

3 stops17h 50mMultiple Airlines

ven. 17/1014:05LHR - DSM

2 stops28h 16mMultiple Airlines

Deal found 17/4£580

dim. 14/915:15DSM - LHR

2 stops14h 35mAir Canada

mar. 23/914:05LHR - DSM

2 stops28h 11mAir Canada

Deal found 17/4£581

Best flights from Iowa to Heathrow
Discover carefully curated flight deals from Iowa to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 avril 2025.

mar. 13/511:51DSM - LHR

1 stop15h 14mBritish Airways

mar. 20/512:15LHR - DSM

1 stop17h 24mBritish Airways

Deal found 17/4£504

ven. 10/1006:00OMA - LHR

2 stops18h 35mAir Canada

jeu. 16/1009:30LHR - OMA

2 stops18h 18mAir Canada

Deal found 17/4£547

mer. 20/814:50OMA - LHR

2 stops36h 30mScandinavian Airlines

mer. 27/817:00LHR - OMA

2 stops36h 53mScandinavian Airlines

Deal found 17/4£563

mer. 27/816:14OMA - LHR

1 stop12h 36mIberia

mer. 1/1010:30LHR - OMA

1 stop17h 57mIberia

Deal found 17/4£570

mer. 27/811:28OMA - LHR

2 stops13h 02mUnited Airlines

mer. 1/1014:05LHR - OMA

2 stops37h 43mUnited Airlines

Deal found 17/4£576

mar. 12/808:05CID - LHR

2 stops16h 25mMultiple Airlines

mar. 19/809:30LHR - CID

2 stops31h 03mMultiple Airlines

Deal found 17/4£576

dim. 10/805:55MLI - LHR

2 stops23h 30mDelta

mar. 30/906:15LHR - MLI

2 stops16h 07mDelta

Deal found 18/4£591

mar. 13/517:30DSM - LHR

1 stop13h 40mKLM

mar. 20/515:15LHR - DSM

1 stop13h 15mKLM

Deal found 17/4£594

mer. 27/811:15CID - LHR

2 stops19h 25mLufthansa

lun. 1/919:30LHR - CID

2 stops32h 00mLufthansa

Deal found 18/4£618

mer. 6/815:07CID - LHR

1 stop15h 08mAmerican Airlines

ven. 15/812:30LHR - CID

1 stop12h 57mAmerican Airlines

Deal found 17/4£627

ven. 16/517:59OMA - LHR

1 stop12h 46mFinnair

jeu. 22/510:20LHR - OMA

2 stops18h 55mFinnair

Deal found 16/4£676

mer. 7/518:13DSM - LHR

2 stops13h 12mAer Lingus

mar. 20/508:50LHR - DSM

2 stops20h 49mAer Lingus

Deal found 17/4£708

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 18 avril 2025 and is based on user searches.

mar. 22/417:05MLI - LHR

1 stop12h 05mDelta

jeu. 22/506:30LHR - MLI

2 stops22h 27mDelta

Deal found 15/4£526

mar. 22/410:50MLI - LHR

1 stop18h 55mUnited Airlines

jeu. 22/514:05LHR - MLI

2 stops32h 43mUnited Airlines

Deal found 16/4£708

mar. 22/417:05MLI - LHR

1 stop14h 25mKLM

jeu. 22/513:05LHR - MLI

1 stop15h 52mKLM

Deal found 16/4£725

mar. 22/417:25MLI - LHR

2 stops17h 15mMultiple Airlines

jeu. 22/517:00LHR - MLI

3 stops33h 52mMultiple Airlines

Deal found 16/4£1,865

mer. 23/411:54DSM - LHR

1 stop18h 21mBritish Airways

mer. 14/510:20LHR - DSM

2 stops19h 19mBritish Airways

Deal found 17/4£695

mer. 23/417:10DSM - LHR

1 stop13h 10mLufthansa

mer. 14/511:05LHR - DSM

1 stop16h 47mLufthansa

Deal found 17/4£695

mer. 23/418:47DSM - LHR

2 stops15h 53mMultiple Airlines

mer. 14/507:40LHR - DSM

3 stops34h 02mMultiple Airlines

Deal found 17/4£942

dim. 27/411:30DSM - LHR

2 stops22h 30mScandinavian Airlines

dim. 4/518:40LHR - DSM

2 stops33h 58mScandinavian Airlines

Deal found 17/4£744

dim. 27/411:33DSM - LHR

1 stop12h 47mUnited Airlines

dim. 4/514:05LHR - DSM

2 stops26h 25mUnited Airlines

Deal found 17/4£746

dim. 27/407:45DSM - LHR

3 stops16h 45mAir Canada

dim. 4/515:50LHR - DSM

3 stops24h 40mAir Canada

Deal found 17/4£3,002

jeu. 8/513:08OMA - LHR

1 stop13h 12mUnited Airlines

mar. 20/514:05LHR - OMA

2 stops26h 25mUnited Airlines

Deal found 17/4£614

jeu. 8/514:17OMA - LHR

1 stop17h 13mKLM

mar. 20/509:20LHR - OMA

1 stop13h 54mKLM

Deal found 17/4£631

One-way flights from Iowa to Heathrow
Search for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 avril 2025.

mer. 15/1012:36OMA - LHR

2 stops20h 19mAer Lingus

Deal found 17/4£338

dim. 28/910:55OMA - LHR

2 stops16h 00mDelta

Deal found 17/4£352

dim. 28/908:00OMA - LHR

3 stops16h 30mAir Canada

Deal found 17/4£357

mer. 14/511:53DSM - LHR

2 stops15h 12mAer Lingus

Deal found 17/4£368

dim. 18/508:00OMA - LHR

2 stops15h 55mUnited Airlines

Deal found 17/4£399

mer. 16/715:38DSM - LHR

1 stop14h 07mUnited Airlines

Deal found 17/4£399

mer. 16/708:00DSM - LHR

3 stops16h 30mAir Canada

Deal found 17/4£405

mer. 14/518:13DSM - LHR

1 stop10h 17mIberia

Deal found 17/4£415

sam. 21/616:16OMA - LHR

1 stop14h 29mIberia

Deal found 18/4£554

dim. 8/613:58DSM - LHR

1 stop13h 12mBritish Airways

Deal found 17/4£625

dim. 4/519:35OMA - LHR

1 stop12h 50mBritish Airways

Deal found 17/4£9,493

dim. 4/513:50OMA - LHR

2 stops15h 15mAmerican Airlines

Deal found 17/4£9,976

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mar. 13/5

11:51-09:05

1 stop15h 14m

London Heathrow

mar. 20/5

12:15-23:39

1 stop17h 24m

£504

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

ven. 10/10

06:00-06:35

2 stops18h 35m

London Heathrow

jeu. 16/10

09:30-21:48

2 stops18h 18m

£547

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

mer. 20/8

14:50-09:20

2 stops36h 30m

London Heathrow

mer. 27/8

17:00-23:53

2 stops36h 53m

£563

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

mer. 27/8

16:14-10:50

1 stop12h 36m

London Heathrow

mer. 1/10

10:30-22:27

1 stop17h 57m

£570

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

mer. 27/8

11:28-06:30

2 stops13h 02m

London Heathrow

mer. 1/10

14:05-21:48

2 stops37h 43m

£576

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

mar. 12/8

08:05-06:20

1 stop16h 15m

London Heathrow

mar. 19/8

09:30-10:33

2 stops31h 03m

£576

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

mar. 13/5

13:40-09:40

1 stop14h 00m

London Heathrow

mar. 20/5

14:05-10:30

2 stops26h 25m

£576

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

dim. 10/8

10:59-11:45

1 stop18h 46m

London Heathrow

mar. 30/9

14:05-15:05

2 stops31h 00m

£576

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

dim. 24/8

11:25-07:20

1 stop13h 55m

London Heathrow

mer. 10/9

06:15-21:59

2 stops21h 44m

£578

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

lun. 6/10

11:35-11:25

3 stops17h 50m

London Heathrow

ven. 17/10

14:05-12:21

2 stops28h 16m

£580

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 43 results

...

Best time to book a flight from Iowa to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £112). Flying from Iowa to London Heathrow Airport 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 Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Read through reviews of airlines operating flights from Iowa to London, such as Delta, KLM and Finnair. 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

7,917 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

7,917 reviews

Delta

8.0

Very Good

7,917 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

1,329 reviews

Delta

8.0

Very Good

7,917 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

1,269 reviews

Delta

8.0

Very Good

7,917 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

8,667 reviews

Delta

8.0

Very Good

7,917 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.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,917 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 Heathrow Airport one-way?
To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £338. Delta flights start at £352 while deals on Air Canada start at £357 one-way.
What are the most popular routes from Iowa to London Heathrow Airport?
Most travelers choose Des Moines - London Heathrow, Omaha Eppley Airfield - London Heathrow or Cedar Rapids - London Heathrow when deciding on the best route from Iowa to London Heathrow Airport.
Can I find deals for flights from Iowa to Heathrow that include hotel bookings?
Yes. In addition to deals on Iowa to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Iowa to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to Heathrow.
Can I find deals for business class flights from Iowa to Heathrow?
Yes. Cheapflights offers flight deals from Iowa to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £112). Flying from Iowa to London Heathrow Airport 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Iowa to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£1,010	Average£1,101	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Iowa to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Iowa.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Iowa to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Iowa to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Iowa to London Heathrow Airport from £338

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Iowa to Heathrow

Keep the following information in mind while searching for Iowa to Heathrow flight deals. Data was last updated 18 avril 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Iowa to Heathrow

Cheapest flights from Iowa to HeathrowExplore the most affordable flight options available from Iowa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 avril 2025.

Explore the most affordable flight options available from Iowa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 avril 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Iowa to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Iowa with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Iowa to London Heathrow Airport

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

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Iowa to London, such as Delta, KLM and Finnair. 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 Heathrow. 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 Heathrow Airport one-way?

What are the most popular routes from Iowa to London Heathrow Airport?

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

How can I find direct flights from Iowa to Heathrow?

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

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

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 Heathrow

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

Top airline flying from Iowa to Heathrow

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 Heathrow?

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

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

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

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Cheapest flights from Iowa to Heathrow
Explore the most affordable flight options available from Iowa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 avril 2025.