How long is the flight from Iowa to London Heathrow Airport?

Departing from Iowa to London Heathrow Airport will take you 17h 08m. The distance between Iowa and London Heathrow Airport is about 4176 mi. This flight may include one or multiple stops.

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.

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.

£228+ Cheap Flights from Iowa to London Heathrow Airport

Cheap flight deals from Iowa to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 20 October 2026.

Tue 1/1214:58 -

1 stop33h 27m

Tue 8/1211:30 -

2 stops17h 08m

Deal found 17/10£673

Tue 1/1214:56 -

1 stop13h 19m

Tue 8/1209:00 -

2 stops18h 25m

Deal found 18/10£683

Wed 9/1206:09 -

1 stop19h 36m

Tue 15/1206:30 -

2 stops20h 09m

Deal found 17/10£685

Mon 30/1113:58 -

1 stop12h 37m

Mon 7/1218:45 -

2 stops30h 16m

Deal found 16/10£686

Mon 16/1109:50 -

2 stops14h 50m

Mon 23/1111:05 -

2 stops36h 23m

Deal found 17/10£691

Mon 30/1110:24 -

1 stop15h 21m

Mon 7/1219:20 -

2 stops26h 51m

Deal found 16/10£694

Tue 1/1213:15 -

1 stop10h 40m

Tue 8/1207:40 -

1 stop12h 34m

Deal found 17/10£700

Sun 29/1114:48 -

1 stop10h 17m

Sun 6/1209:50 -

1 stop12h 21m

Deal found 15/10£704

Tue 1/1213:58 -

1 stop15h 37m

Tue 8/1208:20 -

1 stop15h 32m

Deal found 17/10£706

Wed 11/1112:20 -

1 stop16h 05m

Wed 18/1107:35 -

2 stops18h 22m

Deal found 17/10£720

Thu 12/1115:14 -

1 stop10h 41m

Thu 19/1109:00 -

2 stops18h 35m

Deal found 15/10£721

Sun 15/1110:00 -

1 stop15h 55m

Sun 22/1111:10 -

2 stops17h 46m

Deal found 18/10£722

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 20 October 2026.

Tue 26/112:52 -

1 stop17h 08m

Thu 28/109:00 -

2 stops17h 22m

Deal found 16/10£568

Wed 9/1206:09 -

1 stop19h 36m

Tue 15/1206:30 -

2 stops20h 09m

Deal found 17/10£685

Sun 29/1114:48 -

1 stop10h 17m

Sun 6/1206:30 -

2 stops15h 41m

Deal found 15/10£721

Thu 3/1214:58 -

1 stop12h 02m

Thu 10/1212:40 -

1 stop15h 58m

Deal found 19/10£739

Fri 4/1205:34 -

1 stop19h 21m

Fri 11/1215:40 -

1 stop14h 34m

Deal found 19/10£741

Thu 3/1210:54 -

1 stop14h 01m

Thu 10/1215:40 -

1 stop14h 19m

Deal found 19/10£744

Mon 15/315:25 -

1 stop11h 30m

Tue 23/309:00 -

2 stops19h 03m

Deal found 16/10£663

Sun 15/1115:43 -

1 stop13h 52m

Sun 22/1116:30 -

1 stop13h 11m

Deal found 18/10£741

Tue 5/115:00 -

1 stop15h 00m

Tue 12/106:50 -

2 stops20h 41m

Deal found 16/10£692

Thu 12/1115:43 -

1 stop10h 52m

Thu 19/1113:10 -

2 stops16h 31m

Deal found 15/10£744

Thu 12/1108:03 -

3 stops17h 07m

Tue 17/1113:00 -

2 stops14h 35m

Deal found 18/10£841

Sat 13/308:00 -

1 stop20h 15m

Fri 19/306:50 -

2 stops19h 45m

Deal found 16/10£701

Tue 13/408:00 -

3 stops16h 30m

Sun 18/410:50 -

2 stops16h 27m

Deal found 17/10£708

Fri 11/1215:44 -

1 stop12h 41m

Sun 10/112:35 -

1 stop17h 30m

Deal found 18/10£823

Mon 23/1115:24 -

1 stop14h 36m

Mon 30/1112:05 -

2 stops37h 14m

Deal found 19/10£717

Sun 29/1115:44 -

2 stops14h 16m

Sun 6/1215:05 -

2 stops15h 09m

Deal found 15/10£832

Sat 13/317:03 -

2 stops32h 07m

Thu 18/309:00 -

2 stops17h 35m

Deal found 16/10£720

Fri 11/1205:34 -

1 stop21h 01m

Sat 19/1215:40 -

1 stop14h 19m

Deal found 18/10£1,077

Sat 12/1218:18 -

2 stops31h 22m

Wed 23/1216:40 -

2 stops34h 43m

Deal found 19/10£730

Fri 11/1215:44 -

1 stop10h 51m

Sat 19/1212:45 -

2 stops17h 14m

Deal found 18/10£982

Sun 29/1106:05 -

2 stops18h 35m

Sun 6/1211:10 -

2 stops16h 15m

Deal found 15/10£741

Sun 14/306:15 -

1 stop18h 40m

Mon 15/311:05 -

2 stops35h 56m

Deal found 17/10£755

Fri 11/1208:00 -

1 stop15h 55m

Sun 10/117:30 -

2 stops31h 44m

Deal found 18/10£784

Mon 16/1110:00 -

1 stop20h 00m

Wed 18/1109:00 -

2 stops18h 35m

Deal found 16/10£832

Sun 20/1206:51 -

2 stops19h 39m

Tue 12/109:00 -

2 stops16h 14m

Deal found 18/10£852

Find flight deals from Iowa to Heathrow

Round-trip from	£558
One-way from	£228
Popular in	June
Cheapest in	February
Average price	£685

Lufthansa
26/1-28/1
4 total stops
36h 11m total
Iowa to London

Search Deals

9/11-31/12
2 total stops
32h 05m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£130 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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

Cheapest return flight

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 1/2

10:55-07:05

1 stop14h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£242

Fastest return journey

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 9/3

14:03-06:55

1 stop10h 52m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£248

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 3/3

09:45-06:55

1 stop15h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£248

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 9/3

06:15-10:50

2 stops22h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 1/2

08:00-09:10

3 stops19h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 3/3

06:15-09:10

2 stops20h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 29/11

11:00-07:05

1 stop14h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£408

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 4/11

05:39-07:50

1 stop20h 11m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£408

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 8/11

08:00-10:50

2 stops20h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£408

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 10/11

06:05-07:55

1 stop19h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£408

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 39 resultsSorted by cheapest first

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.

DSM-LHR

CID-LHR

ALO-LHR

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

USIA-LHR

DSM-LHR

CID-LHR

ALO-LHR

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

Currently, March is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £579). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,012). 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?

Airfare is below average for this route at the moment.

Iowa to London Heathrow Airport flights typically cost between £617 and £1,011 in January.
The cheapest return price found within the last 5 days was £558 on Multiple Airlines (26 Jan–28 Jan).

Related info for your journey

How long is the flight from Iowa to London Heathrow Airport?
Departing from Iowa to London Heathrow Airport will take you 17h 08m. The distance between Iowa and London Heathrow Airport is about 4176 mi. This flight may include one or multiple stops.
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, March is the cheapest month in which you can book a flight from Iowa to London Heathrow Airport (average of £579). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,012). 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

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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 £228

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 20 October 2026.

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 20 October 2026.

Best flights from Iowa to HeathrowDiscover 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 20 October 2026.

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 20 October 2026.

Last-minute flights from Iowa to HeathrowDiscover last-minute flight deals from Iowa to Heathrow. Data last updated 20 October 2026 and is based on user searches.

Discover last-minute flight deals from Iowa to Heathrow. Data last updated 20 October 2026 and is based on user searches.

One-way flights from Iowa to HeathrowSearch for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

Search for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

Find flight deals from Iowa to Heathrow

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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

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?

Airfare is below average for this route at the moment.

Iowa to London Heathrow Airport flights typically cost between £617 and £1,011 in January.The cheapest return price found within the last 5 days was £558 on Multiple Airlines (26 Jan–28 Jan).

Related info for your journey

How long is the flight from Iowa to London Heathrow Airport?

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 London Heathrow Airport?

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Alternative routes for Iowa to Heathrow

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Iowa to Heathrow by cabin class

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Other flights to Heathrow

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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 20 October 2026.

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 20 October 2026.

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 20 October 2026 and is based on user searches.

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 20 October 2026.

Iowa to London Heathrow Airport flights typically cost between £617 and £1,011 in January.
The cheapest return price found within the last 5 days was £558 on Multiple Airlines (26 Jan–28 Jan).