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

Departing from Iowa to London Heathrow Airport will take you 13h 45m. 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 Omaha Eppley Airfield - London Heathrow, Des Moines - 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.

£246+ Cheap Flights from Iowa to London Heathrow Airport

Cheap flight deals from Iowa to Heathrow

Enter your travel dates to find the best prices.

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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 11 November 2026.

Mon 7/1214:58 -

1 stop14h 42m

Mon 14/1220:25 -

2 stops26h 24m

Deal found 9/11£667

Wed 30/1209:53 -

1 stop16h 42m

Wed 20/107:35 -

2 stops17h 38m

Deal found 9/11£690

Wed 9/1215:20 -

2 stops22h 15m

Wed 23/1217:50 -

2 stops33h 33m

Deal found 6/11£695

Wed 30/1211:38 -

2 stops14h 02m

Wed 20/106:30 -

2 stops22h 08m

Deal found 9/11£698

Sun 6/1210:54 -

1 stop13h 01m

Tue 22/1207:40 -

1 stop12h 31m

Deal found 7/11£707

Wed 9/1215:20 -

1 stop10h 35m

Wed 23/1207:40 -

1 stop12h 55m

Deal found 10/11£711

Wed 9/1211:01 -

2 stops13h 24m

Wed 23/1211:20 -

1 stop15h 25m

Deal found 6/11£716

Wed 30/1214:54 -

1 stop13h 21m

Wed 20/113:35 -

1 stop15h 39m

Deal found 9/11£719

Mon 7/1211:38 -

2 stops24h 02m

Sun 13/1206:40 -

2 stops21h 58m

Deal found 9/11£720

Sun 6/1205:20 -

2 stops30h 20m

Sun 13/1206:40 -

2 stops21h 58m

Deal found 6/11£722

Sun 6/1213:54 -

1 stop12h 41m

Mon 14/1206:15 -

2 stops17h 43m

Deal found 8/11£725

Sun 6/1208:00 -

2 stops17h 10m

Mon 14/1211:10 -

2 stops16h 38m

Deal found 8/11£730

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 November 2026.

Mon 1/315:05 -

2 stops13h 45m

Wed 3/306:50 -

2 stops16h 31m

Deal found 6/11£581

Tue 2/305:10 -

2 stops20h 35m

Wed 10/310:00 -

2 stops18h 21m

Deal found 10/11£673

Tue 2/310:05 -

1 stop16h 30m

Wed 10/315:40 -

1 stop23h 58m

Deal found 6/11£683

Mon 15/318:50 -

2 stops31h 20m

Sun 21/318:00 -

2 stops32h 20m

Deal found 10/11£728

Mon 23/1108:00 -

3 stops16h 20m

Tue 1/1213:00 -

2 stops27h 37m

Deal found 7/11£805

Mon 7/1211:38 -

2 stops22h 22m

Mon 14/1207:05 -

3 stops21h 33m

Deal found 9/11£852

Tue 22/1207:04 -

1 stop20h 56m

Tue 29/1215:05 -

2 stops14h 54m

Deal found 7/11£976

Tue 2/309:03 -

1 stop14h 52m

Wed 10/306:50 -

2 stops20h 30m

Deal found 10/11£670

Tue 16/316:00 -

1 stop10h 05m

Fri 19/316:00 -

1 stop23h 18m

Deal found 6/11£697

Wed 21/408:15 -

2 stops19h 55m

Tue 27/406:50 -

2 stops18h 22m

Deal found 8/11£675

Mon 15/311:00 -

1 stop15h 05m

Sun 21/309:50 -

1 stop18h 06m

Deal found 10/11£734

Sun 14/208:50 -

2 stops15h 30m

Wed 17/206:50 -

2 stops17h 03m

Deal found 7/11£675

Sun 14/305:45 -

1 stop21h 05m

Sat 20/320:10 -

2 stops24h 42m

Deal found 10/11£736

Mon 15/319:00 -

1 stop12h 00m

Fri 19/306:50 -

2 stops32h 57m

Deal found 6/11£725

Tue 16/310:15 -

2 stops16h 00m

Sun 21/309:50 -

1 stop16h 34m

Deal found 6/11£738

Thu 8/415:15 -

1 stop11h 15m

Fri 16/408:00 -

1 stop12h 11m

Deal found 8/11£738

Fri 25/1209:07 -

1 stop18h 53m

Fri 1/109:55 -

2 stops20h 04m

Deal found 9/11£1,150

Tue 15/1215:20 -

1 stop10h 35m

Tue 22/1211:05 -

2 stops50h 50m

Deal found 10/11£739

Sun 17/108:00 -

3 stops16h 20m

Sat 23/116:40 -

2 stops34h 43m

Deal found 6/11£748

Tue 24/1105:56 -

2 stops18h 24m

Sat 28/1113:10 -

2 stops16h 31m

Deal found 9/11£1,534

Fri 12/317:03 -

2 stops32h 07m

Fri 19/307:40 -

1 stop33h 32m

Deal found 8/11£836

Find flight deals from Iowa to Heathrow

Round-trip from	£576
One-way from	£246
Popular in	June
Cheapest in	February
Average price	£873

United Airlines
1/3-3/3
3 total stops
33h 26m total
Iowa to London

Search Deals

Iberia
15/3-31/12
1 total stop
13h 33m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£131 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£31 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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 29/3

07:00-06:25

2 stops17h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£253

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 15/3

06:00-07:55

2 stops20h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£253

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 24/11

10:54-08:05

2 stops15h 11m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£340

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 23/11

12:14-10:10

2 stops15h 56m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£340

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 3/12

07:14-08:05

2 stops18h 51m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£358

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 29/3

06:15-10:00

3 stops21h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£395

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 24/11

05:15-07:50

1 stop20h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£406

Fastest return journey

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 23/11

15:20-09:40

1 stop12h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£406

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 3/12

08:00-07:10

3 stops17h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£459

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 24/11

12:14-17:15

3 stops23h 01m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£510

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 32 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 £644). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £1,169). 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 £670 and £1,007 in March.
The cheapest return price found within the last 5 days was £576 on United Airlines (1 Mar–3 Mar).

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 13h 45m. 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 Omaha Eppley Airfield - London Heathrow, Des Moines - 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 £644). Flying from Iowa to London Heathrow Airport in June is currently the most expensive (average of £1,169). 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.

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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 £246

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. 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 11 November 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 11 November 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 11 November 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 11 November 2026.

Last-minute flights from Iowa to HeathrowDiscover last-minute flight deals from Iowa to Heathrow. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from Iowa to Heathrow. Data last updated 11 November 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 11 November 2026.

Search for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 November 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 £670 and £1,007 in March.The cheapest return price found within the last 5 days was £576 on United Airlines (1 Mar–3 Mar).

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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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 11 November 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 11 November 2026.

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 11 November 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 11 November 2026.

Iowa to London Heathrow Airport flights typically cost between £670 and £1,007 in March.
The cheapest return price found within the last 5 days was £576 on United Airlines (1 Mar–3 Mar).