What are the cheapest airlines to fly from Iowa to London Heathrow Airport 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 Air Canada start at £390 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 £623, or £1,419 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 £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 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.

£284+ Flights from Iowa to London Heathrow Airport - Compare & Save Big

Cheap flight deals from Iowa to Heathrow

Round-trip from	£528
One-way from	£284
Popular in	June
Cheapest in	January
Average price	£656

American Airlines
10/8-30/9
2 total stops
30h 36m total
Iowa to London

Search Deals

4/8
2 total stops
43h 45m 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 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 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

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

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

Sun 10/815:45MLI - LHR

1 stop10h 35mUnited Airlines

Tue 30/914:05LHR - MLI

2 stops31h 00mUnited Airlines

Deal found 29/4£570

Sun 14/914:00DSM - LHR

1 stop16h 15mBritish Airways

Tue 23/906:10LHR - DSM

2 stops17h 29mBritish Airways

Deal found 29/4£570

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 30 April 2025.

Sun 21/905:45DSM - LHR

1 stop19h 00mDelta

Thu 9/1012:25LHR - DSM

1 stop14h 59mDelta

Deal found 29/4£528

Sun 10/816:21MLI - LHR

1 stop14h 24mAmerican Airlines

Tue 30/913:10LHR - MLI

1 stop16h 12mAmerican Airlines

Deal found 30/4£528

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 21/911:04DSM - LHR

1 stop13h 41mMultiple Airlines

Fri 10/1006:30LHR - DSM

2 stops13h 38mMultiple Airlines

Deal found 29/4£577

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 Heathrow
Discover last-minute flight deals from Iowa to Heathrow. 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

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

Tue 13/505:00OMA - LHR

2 stops21h 00mAer Lingus

Tue 20/509:50LHR - OMA

2 stops18h 47mAer Lingus

Deal found 29/4£690

Tue 13/506:15OMA - LHR

3 stops19h 00mMultiple Airlines

Tue 20/514:05LHR - OMA

2 stops28h 17mMultiple Airlines

Deal found 29/4£704

Wed 14/507:00OMA - LHR

1 stop17h 45mDelta

Thu 22/508:40LHR - OMA

2 stops17h 13mDelta

Deal found 29/4£706

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 30 April 2025.

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

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

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 8/609:37DSM - LHR

2 stops17h 28mAer Lingus

Deal found 29/4£544

Tue 17/609:37OMA - LHR

1 stop17h 23mIberia

Deal found 29/4£591

Mon 9/613:58DSM - LHR

2 stops16h 32mBritish Airways

Deal found 29/4£596

Sat 14/618:47DSM - LHR

1 stop34h 23mVirgin Atlantic

Deal found 29/4£606

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

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

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

OmahaLondon

OMA - LHR

OMALHR

Omaha Eppley Airfield

Sun 27/7

17:40-13:10

1 stop13h 30m

London Heathrow

Mon 25/8

11:45-23:53

2 stops18h 08m

£568

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

Des MoinesLondon

DSM - LHR

DSMLHR

Des Moines

Sun 14/9

14:00-12:15

1 stop16h 15m

London Heathrow

Tue 23/9

06:10-17:39

2 stops17h 29m

£570

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 42 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

7,936 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 Heathrow Airport 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 Air Canada start at £390 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Northampton

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Swindon

Folkestone

Dartford

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£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 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.

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.

Cheap flights from Iowa to London Heathrow Airport from £284

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 Heathrow

Keep the following information in mind while searching for Iowa to Heathrow 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 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 30 April 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 30 April 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?

100% Free

Book with Flexibility

Travel Smart

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 30 April 2025.