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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £290. United Airlines flights start at £294 while deals on Lufthansa start at £322 one-way.

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.

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).

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 57% 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 £532, or £1,376 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 £672 on average during January, but can be found for as low as £458.

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.

£262+ Flights from Iowa to London Heathrow Airport

Cheap flight deals from Iowa to Heathrow

Round-trip from	£435
One-way from	£262
Popular in	June
Cheapest in	January
Average price	£794

United Airlines
3/8-19/8
3 total stops
32h 44m total
Iowa to London

Search Deals

30/9
2 total stops
22h 55m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£103 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 11 July 2025.

Sun 3/808:00DSM - LHR

1 stop16h 20mUnited Airlines

Tue 19/806:50LHR - DSM

2 stops16h 24mUnited Airlines

Deal found 9/7£435

Sun 3/811:35OMA - LHR

1 stop12h 50mBritish Airways

Tue 19/806:10LHR - OMA

2 stops18h 33mBritish Airways

Deal found 9/7£444

Tue 2/913:49OMA - LHR

1 stop13h 51mUnited Airlines

Fri 26/914:05LHR - OMA

2 stops38h 51mUnited Airlines

Deal found 9/7£448

Mon 25/818:27OMA - LHR

2 stops30h 03mAir Canada

Tue 9/914:05LHR - OMA

2 stops30h 17mAir Canada

Deal found 9/7£453

Sun 26/1011:38OMA - LHR

1 stop14h 12mIberia

Wed 5/1117:25LHR - OMA

2 stops21h 34mIberia

Deal found 9/7£453

Wed 6/817:40OMA - LHR

1 stop13h 30mDelta

Wed 13/806:30LHR - OMA

2 stops16h 22mDelta

Deal found 9/7£460

Wed 3/1208:00DSM - LHR

2 stops17h 10mMultiple Airlines

Wed 10/1207:40LHR - DSM

2 stops19h 42mMultiple Airlines

Deal found 9/7£463

Sun 10/810:59MLI - LHR

1 stop15h 21mUnited Airlines

Tue 30/914:05LHR - MLI

2 stops31h 00mUnited Airlines

Deal found 10/7£464

Wed 3/1217:25CID - LHR

1 stop11h 50mUnited Airlines

Tue 9/1213:25LHR - CID

2 stops27h 16mUnited Airlines

Deal found 10/7£464

Tue 28/1014:00OMA - LHR

1 stop13h 50mKLM

Fri 7/1112:30LHR - OMA

1 stop17h 26mKLM

Deal found 9/7£465

Sun 3/810:23OMA - LHR

2 stops14h 22mVirgin Atlantic

Tue 19/809:40LHR - OMA

2 stops17h 35mVirgin Atlantic

Deal found 9/7£468

Sat 6/917:29CID - LHR

2 stops31h 01mAir Canada

Thu 18/917:40LHR - CID

2 stops33h 50mAir Canada

Deal found 10/7£472

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 11 July 2025.

Sun 3/808:00DSM - LHR

1 stop16h 20mUnited Airlines

Tue 19/806:50LHR - DSM

2 stops16h 24mUnited Airlines

Deal found 9/7£435

Sun 3/811:35OMA - LHR

1 stop12h 50mBritish Airways

Tue 19/806:10LHR - OMA

2 stops18h 33mBritish Airways

Deal found 9/7£444

Mon 25/818:27OMA - LHR

2 stops30h 03mAir Canada

Tue 9/914:05LHR - OMA

2 stops30h 17mAir Canada

Deal found 9/7£453

Sun 26/1011:38OMA - LHR

1 stop14h 12mIberia

Wed 5/1117:25LHR - OMA

2 stops21h 34mIberia

Deal found 9/7£453

Wed 6/817:40OMA - LHR

1 stop13h 30mDelta

Wed 13/806:30LHR - OMA

2 stops16h 22mDelta

Deal found 9/7£460

Wed 3/1208:00DSM - LHR

2 stops17h 10mMultiple Airlines

Wed 10/1207:40LHR - DSM

2 stops19h 42mMultiple Airlines

Deal found 9/7£463

Tue 28/1014:00OMA - LHR

1 stop13h 50mKLM

Fri 7/1112:30LHR - OMA

1 stop17h 26mKLM

Deal found 9/7£465

Sun 3/810:23OMA - LHR

2 stops14h 22mVirgin Atlantic

Tue 19/809:40LHR - OMA

2 stops17h 35mVirgin Atlantic

Deal found 9/7£468

Mon 6/1018:33OMA - LHR

2 stops16h 32mLufthansa

Fri 17/1007:25LHR - OMA

2 stops18h 31mLufthansa

Deal found 9/7£482

Sun 3/818:37MLI - LHR

1 stop10h 28mAmerican Airlines

Sun 17/815:00LHR - MLI

1 stop13h 11mAmerican Airlines

Deal found 11/7£547

Sat 6/912:10CID - LHR

2 stops14h 45mAir France

Sat 20/909:20LHR - CID

1 stop19h 23mAir France

Deal found 10/7£557

Tue 2/913:49OMA - LHR

1 stop13h 51mUnited Airlines

Fri 26/914:05LHR - OMA

2 stops38h 51mUnited Airlines

Deal found 9/7£448

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Thu 17/718:38OMA - LHR

1 stop11h 07mLufthansa

Fri 25/707:25LHR - OMA

2 stops18h 57mLufthansa

Deal found 10/7£878

Thu 17/710:57OMA - LHR

2 stops14h 18mDelta

Thu 24/712:35LHR - OMA

2 stops16h 08mDelta

Deal found 10/7£911

Thu 17/711:30OMA - LHR

2 stops37h 00mAir Canada

Fri 25/714:05LHR - OMA

2 stops30h 30mAir Canada

Deal found 10/7£1,049

Fri 18/717:23DSM - LHR

1 stop13h 47mDelta

Wed 23/706:30LHR - DSM

2 stops20h 27mDelta

Deal found 10/7£577

Fri 18/718:50DSM - LHR

1 stop10h 55mLufthansa

Wed 23/711:05LHR - DSM

1 stop17h 55mLufthansa

Deal found 10/7£715

Fri 18/711:25DSM - LHR

2 stops13h 05mUnited Airlines

Thu 31/706:50LHR - DSM

2 stops22h 10mUnited Airlines

Deal found 10/7£731

Fri 18/718:40DSM - LHR

1 stop12h 50mKLM

Thu 31/712:25LHR - DSM

1 stop14h 32mKLM

Deal found 10/7£739

Fri 18/714:50OMA - LHR

1 stop16h 40mKLM

Fri 25/715:15LHR - OMA

1 stop14h 57mKLM

Deal found 10/7£908

Fri 18/719:20OMA - LHR

1 stop10h 55mBritish Airways

Fri 25/706:15LHR - OMA

2 stops22h 54mBritish Airways

Deal found 10/7£917

Fri 18/706:00OMA - LHR

2 stops21h 35mMultiple Airlines

Sat 26/707:25LHR - OMA

2 stops18h 57mMultiple Airlines

Deal found 10/7£939

Fri 18/714:50OMA - LHR

2 stops16h 45mScandinavian Airlines

Thu 24/706:40LHR - OMA

2 stops21h 04mScandinavian Airlines

Deal found 10/7£1,160

Sat 19/717:23OMA - LHR

2 stops31h 07mUnited Airlines

Sun 27/709:30LHR - OMA

2 stops20h 14mUnited Airlines

Deal found 10/7£822

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 11 July 2025.

Tue 30/907:00OMA - LHR

2 stops22h 55mMultiple Airlines

Deal found 9/7£262

Sun 5/1006:00OMA - LHR

2 stops21h 35mAir Canada

Deal found 9/7£290

Sun 24/806:00DSM - LHR

2 stops22h 00mAir Canada

Deal found 10/7£293

Mon 3/1113:45OMA - LHR

1 stop13h 55mUnited Airlines

Deal found 9/7£294

Sun 24/813:20DSM - LHR

1 stop17h 00mUnited Airlines

Deal found 10/7£294

Mon 25/808:00CID - LHR

1 stop16h 20mUnited Airlines

Deal found 10/7£294

Sat 6/917:29CID - LHR

2 stops31h 01mAir Canada

Deal found 10/7£302

Fri 18/708:35DSM - LHR

2 stops23h 40mMultiple Airlines

Deal found 10/7£307

Mon 6/1018:33OMA - LHR

2 stops15h 07mLufthansa

Deal found 9/7£322

Wed 31/1211:54OMA - LHR

1 stop12h 56mBritish Airways

Deal found 9/7£324

Mon 6/1011:38OMA - LHR

1 stop15h 22mIberia

Deal found 9/7£325

Fri 5/911:31CID - LHR

2 stops26h 49mMultiple Airlines

Deal found 10/7£340

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

Sun 3/8

08:00-06:20

1 stop16h 20m

London Heathrow

Tue 19/8

06:50-17:14

2 stops16h 24m

£435

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 3/8

11:35-06:25

1 stop12h 50m

London Heathrow

Tue 19/8

06:10-18:43

2 stops18h 33m

£444

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 2/9

13:49-09:40

1 stop13h 51m

London Heathrow

Fri 26/9

14:05-22:56

2 stops38h 51m

£448

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Mon 25/8

18:27-06:30

2 stops30h 03m

London Heathrow

Tue 9/9

14:05-14:22

2 stops30h 17m

£453

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 26/10

11:38-06:50

1 stop14h 12m

London Heathrow

Wed 5/11

17:25-08:59

2 stops21h 34m

£453

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Wed 6/8

17:40-13:10

1 stop13h 30m

London Heathrow

Wed 13/8

06:30-16:52

2 stops16h 22m

£460

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Wed 3/12

08:00-07:10

2 stops17h 10m

London Heathrow

Wed 10/12

07:40-21:22

2 stops19h 42m

£463

MolineLondon

MLI - LHR

MLILHR

Moline Quad-City

Sun 10/8

10:59-08:20

1 stop15h 21m

London Heathrow

Tue 30/9

14:05-15:05

2 stops31h 00m

£464

Cedar RapidsLondon

CID - LHR

CIDLHR

Cedar Rapids

Wed 3/12

08:00-07:10

2 stops17h 10m

London Heathrow

Tue 9/12

13:25-10:41

2 stops27h 16m

£464

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Tue 28/10

14:00-08:50

1 stop13h 50m

London Heathrow

Fri 7/11

12:30-23:56

1 stop17h 26m

£465

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 49 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.

How much does it cost for a return flight from Iowa to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Iowa to London Heathrow Airport, such as Delta, KLM, andAir France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,951 reviews

Check prices

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

7,951 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

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

1,372 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

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

1,467 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

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

8,848 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

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

7,951 reviews

Check prices

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

What are the cheapest airlines to fly from Iowa to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £290. United Airlines flights start at £294 while deals on Lufthansa start at £322 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

Croydon

Milton Keynes

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

Ipswich

Folkestone

Southend-on-Sea

Watford

Winchester

Swindon

Maidstone

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£487	Average£1,073	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 £262

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 30/9. 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 11 July 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 11 July 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 11 July 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?

How much does it cost for a return flight from Iowa to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Iowa to London Heathrow Airport, such as Delta, KLM, andAir France. You can also see how each airline stacks up 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 11 July 2025.