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

Departing from Iowa to London Heathrow Airport will take you 14h 55m. 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.

£252+ 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 10 October 2026.

Sun 18/1017:05 -

1 stop14h 00m

Sat 31/1008:55 -

2 stops17h 24m

Deal found 5/10£601

Sun 18/1005:30 -

1 stop18h 55m

Sat 31/1010:50 -

1 stop15h 29m

Deal found 5/10£606

Fri 16/1017:59 -

1 stop13h 06m

Sun 1/1106:30 -

2 stops15h 53m

Deal found 5/10£638

Fri 16/1005:30 -

1 stop18h 55m

Sun 1/1110:50 -

1 stop16h 57m

Deal found 5/10£644

Tue 17/1110:24 -

2 stops14h 26m

Tue 24/1110:50 -

1 stop13h 17m

Deal found 8/10£667

Tue 17/1113:58 -

1 stop14h 27m

Tue 24/1107:30 -

2 stops17h 25m

Deal found 8/10£678

Tue 17/1109:55 -

2 stops16h 35m

Tue 24/1113:00 -

2 stops14h 55m

Deal found 8/10£682

Wed 2/1209:23 -

1 stop19h 02m

Wed 9/1206:15 -

2 stops18h 46m

Deal found 8/10£687

Mon 9/1108:00 -

1 stop17h 55m

Mon 16/1113:45 -

2 stops39h 14m

Deal found 10/10£687

Wed 2/1205:05 -

1 stop20h 45m

Fri 11/1211:45 -

2 stops17h 24m

Deal found 8/10£689

Wed 2/1211:01 -

2 stops14h 49m

Wed 9/1210:00 -

2 stops16h 39m

Deal found 8/10£692

Wed 2/1208:00 -

1 stop15h 55m

Fri 11/1210:25 -

1 stop17h 23m

Deal found 8/10£711

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 10 October 2026.

Sun 18/1005:30 -

1 stop18h 55m

Sat 31/1010:50 -

1 stop15h 29m

Deal found 5/10£606

Wed 6/112:30 -

2 stops14h 55m

Wed 13/108:40 -

2 stops18h 44m

Deal found 8/10£672

Tue 17/1108:00 -

2 stops16h 40m

Tue 24/1109:00 -

2 stops16h 16m

Deal found 6/10£687

Mon 28/1206:00 -

2 stops20h 30m

Fri 8/111:10 -

2 stops18h 20m

Deal found 10/10£794

Mon 23/1115:44 -

1 stop10h 51m

Mon 30/1111:45 -

2 stops17h 56m

Deal found 9/10£855

Fri 16/1017:59 -

1 stop13h 06m

Sun 1/1106:30 -

2 stops15h 53m

Deal found 5/10£638

Sun 7/307:25 -

1 stop16h 55m

Thu 18/306:20 -

2 stops18h 40m

Deal found 8/10£674

Wed 2/1208:00 -

1 stop15h 55m

Fri 11/1210:25 -

1 stop17h 23m

Deal found 8/10£711

Wed 2/1205:05 -

1 stop20h 45m

Fri 11/1211:45 -

2 stops17h 24m

Deal found 8/10£689

Tue 27/1015:24 -

2 stops14h 01m

Tue 3/1106:50 -

2 stops16h 38m

Deal found 9/10£730

Tue 27/1011:27 -

2 stops15h 28m

Tue 3/1106:30 -

2 stops16h 25m

Deal found 7/10£729

Tue 20/1008:00 -

3 stops15h 55m

Thu 29/1006:50 -

2 stops15h 37m

Deal found 6/10£730

Mon 23/1105:56 -

1 stop18h 59m

Mon 30/1115:40 -

1 stop14h 01m

Deal found 9/10£906

Thu 12/1117:29 -

2 stops14h 16m

Thu 19/1106:30 -

2 stops18h 47m

Deal found 10/10£729

Tue 9/315:25 -

1 stop10h 30m

Mon 15/307:50 -

1 stop11h 51m

Deal found 8/10£730

Mon 23/1115:14 -

1 stop10h 41m

Mon 30/1116:40 -

2 stops35h 08m

Deal found 9/10£730

Sun 18/1005:30 -

2 stops21h 20m

Sat 31/1008:40 -

2 stops17h 39m

Deal found 6/10£768

Mon 4/106:00 -

1 stop19h 55m

Sun 10/106:50 -

2 stops20h 41m

Deal found 5/10£733

Mon 28/1218:20 -

1 stop29h 35m

Fri 8/107:30 -

2 stops20h 01m

Deal found 10/10£752

Thu 22/1008:00 -

3 stops15h 55m

Fri 30/1006:50 -

2 stops15h 37m

Deal found 8/10£768

Find flight deals from Iowa to Heathrow

Round-trip from	£571
One-way from	£252
Popular in	June
Cheapest in	April
Average price	£682

United Airlines
16/3-18/3
4 total stops
42h 06m total
Iowa to London

Search Deals

Delta
17/1-31/12
2 total stops
19h 20m total
Iowa to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£124 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£32 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

Sun 31/1

05:00-07:55

1 stop20h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£252

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sun 17/1

05:45-07:05

2 stops19h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£252

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Mon 2/11

07:20-17:30

2 stops28h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£266

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sun 17/1

08:00-07:10

3 stops17h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£312

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Tue 10/11

06:05-08:25

2 stops20h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£350

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Wed 4/11

08:00-10:25

3 stops20h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£350

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 15/11

08:00-10:25

3 stops20h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£350

Cedar RapidsLondon

CID Cedar Rapids - LHR London Heathrow

CIDLHR

Cedar Rapids

Sun 31/1

08:00-07:10

3 stops17h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£352

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sat 7/11

18:45-05:55

1 stop29h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£355

Des MoinesLondon

DSM Des Moines - LHR London Heathrow

DSMLHR

Des Moines

Sun 29/11

21:20-17:00

3 stops37h 40m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£387

Flights are sorted by cheapest return flights first.

Deals found on 6/10

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.

CID-LHR

DSM-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

CID-LHR

DSM-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 £582). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,009). 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 £684 and £856 in March.
The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 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 14h 55m. 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 £582). Flying from Iowa to London Heathrow Airport in December is currently the most expensive (average of £1,009). 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 £252

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. 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 10 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 10 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 10 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 10 October 2026.

Last-minute flights from Iowa to HeathrowDiscover last-minute flight deals from Iowa to Heathrow. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Iowa to Heathrow. Data last updated 10 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 10 October 2026.

Search for one-way flight options from Iowa to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 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 £684 and £856 in March.The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 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 10 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 10 October 2026.

Last-minute flights from Iowa to Heathrow
Discover last-minute flight deals from Iowa to Heathrow. Data last updated 10 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 10 October 2026.

Iowa to London Heathrow Airport flights typically cost between £684 and £856 in March.
The cheapest return price found within the last 5 days was £571 on United Airlines (16 Mar–18 Mar).