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

Departing from Iowa to London Heathrow Airport will take you 12h 25m. 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.

£470+ 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 30 October 2026.

Sun 29/1118:45 -

1 stop11h 15m

Tue 15/1206:35 -

2 stops19h 58m

Deal found 27/10£675

Sun 29/1114:48 -

1 stop10h 17m

Tue 15/1209:50 -

1 stop12h 21m

Deal found 27/10£681

Sun 29/1108:00 -

1 stop15h 55m

Tue 8/1209:00 -

2 stops16h 19m

Deal found 29/10£690

Wed 25/1111:24 -

1 stop14h 31m

Wed 2/1212:05 -

2 stops41h 10m

Deal found 28/10£691

Tue 1/1211:27 -

2 stops17h 23m

Tue 8/1209:00 -

2 stops16h 19m

Deal found 29/10£694

Wed 2/1215:20 -

2 stops13h 30m

Tue 8/1209:00 -

2 stops16h 19m

Deal found 26/10£695

Sun 29/1114:48 -

2 stops17h 02m

Tue 8/1206:30 -

2 stops16h 19m

Deal found 29/10£697

Wed 25/1113:58 -

1 stop12h 37m

Wed 2/1219:40 -

2 stops29h 21m

Deal found 28/10£698

Wed 9/1211:38 -

2 stops16h 52m

Wed 16/1206:20 -

2 stops16h 29m

Deal found 25/10£701

Wed 9/1211:01 -

1 stop14h 04m

Wed 16/1210:50 -

1 stop13h 18m

Deal found 25/10£707

Thu 26/1110:59 -

2 stops17h 46m

Thu 3/1206:30 -

2 stops15h 21m

Deal found 27/10£724

Thu 26/1110:54 -

1 stop15h 41m

Thu 3/1207:30 -

2 stops16h 28m

Deal found 27/10£727

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 October 2026.

Mon 1/314:32 -

1 stop15h 28m

Wed 3/306:50 -

2 stops17h 03m

Deal found 25/10£575

Wed 10/317:15 -

1 stop12h 25m

Thu 18/309:50 -

1 stop16h 34m

Deal found 29/10£696

Tue 2/310:05 -

1 stop14h 50m

Wed 10/311:15 -

1 stop13h 13m

Deal found 26/10£696

Fri 13/1106:04 -

1 stop18h 51m

Tue 17/1111:00 -

1 stop18h 38m

Deal found 28/10£789

Sun 29/1115:44 -

1 stop13h 51m

Sun 6/1215:40 -

1 stop14h 34m

Deal found 30/10£805

Tue 2/314:32 -

2 stops13h 33m

Wed 10/306:35 -

2 stops17h 27m

Deal found 25/10£670

Sun 14/307:00 -

1 stop19h 05m

Thu 18/316:00 -

1 stop23h 18m

Deal found 29/10£696

Wed 10/306:00 -

1 stop21h 40m

Fri 19/306:50 -

2 stops19h 45m

Deal found 29/10£672

Sun 29/1105:56 -

1 stop20h 39m

Sun 6/1213:10 -

2 stops17h 04m

Deal found 29/10£751

Sat 12/1206:15 -

1 stop18h 50m

Wed 23/1206:30 -

2 stops15h 43m

Deal found 27/10£729

Tue 19/112:52 -

1 stop17h 08m

Tue 26/109:00 -

2 stops17h 22m

Deal found 26/10£696

Fri 13/1106:04 -

1 stop23h 31m

Tue 17/1116:30 -

1 stop13h 08m

Deal found 28/10£783

Sun 14/311:00 -

2 stops19h 40m

Sat 20/320:10 -

2 stops24h 42m

Deal found 28/10£737

Wed 10/306:15 -

2 stops21h 50m

Sat 20/311:05 -

2 stops39h 30m

Deal found 26/10£717

Sat 12/1205:34 -

2 stops19h 01m

Thu 7/112:25 -

1 stop17h 40m

Deal found 26/10£793

Thu 7/110:41 -

1 stop15h 04m

Fri 15/106:30 -

2 stops20h 18m

Deal found 27/10£738

Thu 10/1215:44 -

2 stops14h 16m

Thu 7/113:10 -

2 stops16h 55m

Deal found 26/10£797

Thu 3/1211:27 -

1 stop18h 33m

Tue 8/1209:00 -

2 stops16h 19m

Deal found 29/10£728

Fri 11/1215:44 -

2 stops14h 16m

Thu 7/111:40 -

2 stops18h 25m

Deal found 26/10£797

Sun 29/1108:03 -

1 stop15h 52m

Sun 6/1211:10 -

2 stops16h 38m

Deal found 29/10£729

Sat 12/1215:15 -

1 stop10h 40m

Wed 23/1211:35 -

1 stop14h 53m

Deal found 27/10£752

Fri 11/1215:44 -

1 stop10h 51m

Fri 18/1215:40 -

1 stop14h 19m

Deal found 27/10£833

Sat 13/315:25 -

1 stop32h 30m

Thu 18/309:00 -

2 stops17h 35m

Deal found 25/10£762

Mon 23/1115:44 -

1 stop10h 51m

Mon 30/1116:30 -

1 stop13h 11m

Deal found 26/10£858

Fri 12/317:03 -

2 stops32h 07m

Fri 19/306:50 -

2 stops19h 45m

Deal found 25/10£763

Wed 9/1209:30 -

2 stops14h 50m

Sun 10/106:50 -

2 stops16h 45m

Deal found 26/10£780

Find flight deals from Iowa to Heathrow

Round-trip from	£582
One-way from	£470
Popular in	June
Cheapest in	February
Average price	£684

United Airlines
14/3-17/3
3 total stops
53h 08m total
Iowa to London

Search Deals

Delta
20/11-31/12
1 total stop
18h 50m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£128 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

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Mon 1/3

14:32-12:00

1 stop15h 28m

London Heathrow

Wed 3/3

06:50-17:53

2 stops17h 03m

£575

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 2/3

14:32-10:05

2 stops13h 33m

London Heathrow

Wed 10/3

06:35-18:02

2 stops17h 27m

£670

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 10/3

06:00-09:40

1 stop21h 40m

London Heathrow

Fri 19/3

06:50-21:35

2 stops19h 45m

£672

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 10/3

17:15-11:40

1 stop12h 25m

London Heathrow

Thu 18/3

09:50-21:24

1 stop16h 34m

£696

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 14/3

07:00-07:05

1 stop19h 05m

London Heathrow

Thu 18/3

16:00-10:18

1 stop23h 18m

£696

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 19/1

12:52-12:00

1 stop17h 08m

London Heathrow

Tue 26/1

09:00-20:22

2 stops17h 22m

£696

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Tue 2/3

10:05-06:55

1 stop14h 50m

London Heathrow

Wed 10/3

11:15-18:28

1 stop13h 13m

£696

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 10/3

06:15-10:05

2 stops21h 50m

London Heathrow

Sat 20/3

11:05-21:35

2 stops39h 30m

£717

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Thu 3/12

11:27-12:00

1 stop18h 33m

London Heathrow

Tue 8/12

09:00-19:19

2 stops16h 19m

£728

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sat 12/12

06:15-07:05

1 stop18h 50m

London Heathrow

Wed 23/12

06:30-16:13

2 stops15h 43m

£729

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 34 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 £578). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,010). 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 typical for this route at the moment.

Iowa to London Heathrow Airport flights typically cost between £554 and £1,011 in March.
The cheapest return price found within the last 5 days was £582 on United Airlines (14 Mar–17 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 12h 25m. 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 £578). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,010). 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 £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. 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 30 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 30 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 30 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 30 October 2026.

Last-minute flights from Iowa to HeathrowDiscover last-minute flight deals from Iowa to Heathrow. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Iowa to Heathrow. Data last updated 30 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 30 October 2026.

Search for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 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 typical for this route at the moment.

Iowa to London Heathrow Airport flights typically cost between £554 and £1,011 in March.The cheapest return price found within the last 5 days was £582 on United Airlines (14 Mar–17 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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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

Book a non-stop flight to one of these other cities located in England.

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 30 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 30 October 2026.

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 30 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 30 October 2026.

Iowa to London Heathrow Airport flights typically cost between £554 and £1,011 in March.
The cheapest return price found within the last 5 days was £582 on United Airlines (14 Mar–17 Mar).