How long is the flight from Peoria, Illinois to London Heathrow Airport?

United Airlines can get you from Peoria, Illinois to London Heathrow Airport in just under 10h 30m. Your travel time can differ by up to . Peoria, Illinois and London Heathrow Airport are separated by a distance of 4069 mi.

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 is the cheapest time of day to fly from PIA to LHR?

When flying from Peoria, Illinois 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.

What airport do you fly from for flights from Peoria to London Heathrow?

Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to London Heathrow. On average, Greater Peoria has 0 outbound flights to London Heathrow per day from 0 airlines. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

Can I find deals for flights from Peoria to Heathrow that include hotel bookings?

Yes. In addition to deals on Peoria to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Peoria to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Heathrow.

Can I find deals for business class flights from Peoria to Heathrow?

Yes. Cheapflights offers flight deals from Peoria 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.

£475+ Flights from Peoria, Illinois to London Heathrow Airport

Find flight deals from Peoria to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Peoria to Heathrow
Explore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Tue 18/1113:20PIA - LHR

1 stop10h 35mUnited Airlines

Tue 25/1106:35LHR - PIA

2 stops16h 05mUnited Airlines

Deal found 28/10£475

Fri 12/1210:45PIA - LHR

1 stop13h 10mUnited Airlines

Fri 19/1216:20LHR - PIA

2 stops26h 00mUnited Airlines

Deal found 27/10£668

Tue 16/1206:45PIA - LHR

2 stops18h 25mUnited Airlines

Sun 21/1216:20LHR - PIA

2 stops27h 48mUnited Airlines

Deal found 28/10£724

Sat 13/1215:30PIA - LHR

2 stops33h 40mUnited Airlines

Sat 20/1209:30LHR - PIA

2 stops34h 38mUnited Airlines

Deal found 29/10£782

Tue 16/1210:48PIA - LHR

1 stop15h 47mAmerican Airlines

Sun 21/1214:10LHR - PIA

1 stop15h 18mAmerican Airlines

Deal found 28/10£853

Sat 13/1210:52PIA - LHR

1 stop15h 23mAmerican Airlines

Sat 20/1215:45LHR - PIA

1 stop13h 43mAmerican Airlines

Deal found 29/10£965

Sat 27/1206:30PIA - LHR

2 stops20h 00mUnited Airlines

Sat 3/118:00LHR - PIA

2 stops28h 43mUnited Airlines

Deal found 28/10£1,133

Wed 29/1015:30PIA - LHR

1 stop11h 25mLufthansa

Thu 6/1110:25LHR - PIA

1 stop17h 06mLufthansa

Deal found 28/10£1,232

Best flights from Peoria to Heathrow
Discover carefully curated flight deals from Peoria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Tue 24/213:25PIA - LHR

1 stop10h 30mUnited Airlines

Tue 3/311:10LHR - PIA

2 stops16h 21mUnited Airlines

Deal found 28/10£482

Sun 22/213:25PIA - LHR

2 stops25h 35mLufthansa

Tue 3/306:35LHR - PIA

2 stops20h 56mLufthansa

Deal found 28/10£496

Mon 23/213:25PIA - LHR

1 stop12h 30mUnited Airlines

Tue 3/311:10LHR - PIA

2 stops16h 21mUnited Airlines

Deal found 28/10£482

Tue 24/217:25PIA - LHR

2 stops19h 10mLufthansa

Tue 3/307:40LHR - PIA

2 stops19h 51mLufthansa

Deal found 28/10£496

Tue 24/210:51PIA - LHR

1 stop13h 04mUnited Airlines

Wed 4/306:30LHR - PIA

2 stops21h 01mUnited Airlines

Deal found 28/10£490

Sun 22/213:25PIA - LHR

1 stop12h 30mUnited Airlines

Thu 5/308:30LHR - PIA

2 stops18h 31mUnited Airlines

Deal found 28/10£490

Wed 25/213:25PIA - LHR

1 stop15h 50mUnited Airlines

Wed 4/308:30LHR - PIA

2 stops19h 01mUnited Airlines

Deal found 28/10£490

Sun 22/213:25PIA - LHR

1 stop12h 30mUnited Airlines

Wed 4/308:30LHR - PIA

2 stops19h 01mUnited Airlines

Deal found 28/10£490

Wed 25/210:51PIA - LHR

1 stop15h 04mUnited Airlines

Thu 5/307:40LHR - PIA

1 stop12h 30mUnited Airlines

Deal found 28/10£504

Tue 24/210:51PIA - LHR

1 stop13h 04mUnited Airlines

Fri 6/310:25LHR - PIA

1 stop12h 14mUnited Airlines

Deal found 28/10£504

Last-minute flights from Peoria to Heathrow
Discover last-minute flight deals from Peoria to Heathrow. Data last updated 30 October 2025 and is based on user searches.

Wed 29/1015:30PIA - LHR

1 stop11h 25mLufthansa

Thu 6/1110:25LHR - PIA

1 stop17h 06mLufthansa

Deal found 28/10£1,232

Wed 29/1013:20PIA - LHR

2 stops16h 05mUnited Airlines

Thu 6/1108:00LHR - PIA

2 stops14h 40mUnited Airlines

Deal found 28/10£1,296

Sat 1/1115:30PIA - LHR

2 stops13h 35mMultiple Airlines

Sat 8/1106:35LHR - PIA

2 stops16h 05mMultiple Airlines

Deal found 28/10£2,595

Tue 18/1113:20PIA - LHR

1 stop10h 35mUnited Airlines

Tue 25/1106:35LHR - PIA

2 stops16h 05mUnited Airlines

Deal found 28/10£475

Cheap flight deals from Peoria to Heathrow

Round-trip from	£475
Popular in	December
Cheapest in	February
Average price	£623

United Airlines
18/11-25/11
3 total stops
26h 40m total
Peoria to London

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£233 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Peoria to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 24/2

13:25-05:55

1 stop10h 30m

London Heathrow

Tue 3/3

11:10-21:31

2 stops16h 21m

£482

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 23/2

13:25-07:55

1 stop12h 30m

London Heathrow

Tue 3/3

11:10-21:31

2 stops16h 21m

£482

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 24/2

10:51-05:55

1 stop13h 04m

London Heathrow

Wed 4/3

06:30-21:31

2 stops21h 01m

£490

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 22/2

13:25-07:55

1 stop12h 30m

London Heathrow

Thu 5/3

08:30-21:01

2 stops18h 31m

£490

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 25/2

13:25-11:15

1 stop15h 50m

London Heathrow

Wed 4/3

08:30-21:31

2 stops19h 01m

£490

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 22/2

13:25-07:55

1 stop12h 30m

London Heathrow

Wed 4/3

08:30-21:31

2 stops19h 01m

£490

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 22/2

13:25-21:00

2 stops25h 35m

London Heathrow

Tue 3/3

06:35-21:31

2 stops20h 56m

£496

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 24/2

17:25-18:35

2 stops19h 10m

London Heathrow

Tue 3/3

07:40-21:31

2 stops19h 51m

£496

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 25/2

10:51-07:55

1 stop15h 04m

London Heathrow

Thu 5/3

07:40-14:10

1 stop12h 30m

£504

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 24/2

10:51-05:55

1 stop13h 04m

London Heathrow

Fri 6/3

10:25-16:39

1 stop12h 14m

£504

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 12 results

Best time to book a flight from Peoria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Peoria 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.

Related info for your journey

What airport do you fly from for flights from Peoria to London Heathrow?
Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to London Heathrow. On average, Greater Peoria has 0 outbound flights to London Heathrow per day from 0 airlines. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.
How long is the flight from Peoria, Illinois to London Heathrow Airport?
United Airlines can get you from Peoria, Illinois to London Heathrow Airport in just under 10h 30m. Your travel time can differ by up to . Peoria, Illinois and London Heathrow Airport are separated by a distance of 4069 mi.
Can I find deals for flights from Peoria to Heathrow that include hotel bookings?
Yes. In addition to deals on Peoria to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Peoria to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Heathrow.
Can I find deals for business class flights from Peoria to Heathrow?
Yes. Cheapflights offers flight deals from Peoria 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.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Peoria 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 Peoria to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Peoria to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Can Cheapflights notify me if prices for flights from Peoria to Heathrow become cheaper?

Yes! Start tracking prices for Peoria to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Peoria, Illinois to London Heathrow Airport from £475

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Peoria to Heathrow

Cheapest flights from Peoria to HeathrowExplore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Explore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Cheap flight deals from Peoria to Heathrow

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Peoria to London Heathrow Airport that are best for you.

Best time to book a flight from Peoria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Peoria with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Peoria to London Heathrow?

How long is the flight from Peoria, Illinois to London Heathrow Airport?

Can I find deals for flights from Peoria to Heathrow that include hotel bookings?

How can I find direct flights from Peoria to Heathrow?

Can I find deals for business class flights from Peoria to Heathrow?

Travelling to a place near London Heathrow Airport?

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 Peoria to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Peoria to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Peoria to Heathrow?

Can Cheapflights find flights from Peoria to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Peoria to Heathrow become cheaper?

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Cheapest flights from Peoria to Heathrow
Explore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.