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

A quick flight from Peoria, Illinois to London can take about 25h 12m. United Airlines provides one of the quickest options available for as low as £686. Airlines will cover a distance of 4087 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 Peoria, Illinois to London?

The most popular flight routes from Peoria, Illinois to London are Greater Peoria - London Heathrow, Greater Peoria - London City and Greater Peoria - London Gatwick.

What is the cheapest time of day to fly from PIA to LON?

When flying from Peoria, Illinois to London, 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?

For a flight from Peoria to London, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Greater Peoria on a regular basis.

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

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

How can I find direct flights from Peoria to London?

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

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

Yes. Cheapflights offers flight deals from Peoria to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£646+ Cheap Flights from Peoria, Illinois to London

Cheap flight deals from Peoria to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Peoria to London
Explore the most affordable flight options available from Peoria to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Mon 2/1106:25 -

1 stop17h 30m

Mon 9/1109:00 -

2 stops31h 08m

Deal found 18/9£646

Wed 14/1015:41 -

1 stop33h 04m

Tue 20/1008:45 -

2 stops20h 13m

Deal found 15/9£647

Thu 1/1006:15 -

1 stop18h 30m

Sat 31/1006:35 -

2 stops17h 05m

Deal found 15/9£648

Fri 30/1006:25 -

2 stops19h 15m

Fri 6/1109:00 -

2 stops20h 13m

Deal found 15/9£650

Wed 11/1114:35 -

1 stop15h 25m

Fri 27/1107:30 -

2 stops19h 43m

Deal found 15/9£657

Sun 4/1006:15 -

1 stop18h 30m

Sat 10/1009:30 -

2 stops35h 36m

Deal found 17/9£671

Wed 14/1010:43 -

2 stops25h 12m

Tue 20/1009:15 -

2 stops19h 43m

Deal found 15/9£686

Wed 30/906:00 -

2 stops20h 35m

Sat 3/1011:30 -

2 stops35h 28m

Deal found 16/9£1,299

Sun 4/1010:43 -

2 stops15h 42m

Sat 10/1009:25 -

2 stops15h 36m

Deal found 14/9£1,612

Wed 30/917:28 -

2 stops33h 42m

Sat 3/1012:05 -

3 stops42h 03m

Deal found 16/9£1,734

Wed 14/1006:14 -

3 stops46h 31m

Tue 20/1006:55 -

3 stops46h 28m

Deal found 15/9£9,754

Mon 28/1211:22 -

3 stops41h 28m

Sat 2/108:00 -

3 stops38h 49m

Deal found 17/9£9,960

Best flights from Peoria to London
Discover carefully curated flight deals from Peoria to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Wed 14/1015:41 -

1 stop33h 04m

Tue 20/1008:45 -

2 stops20h 13m

Deal found 15/9£647

Wed 14/1010:43 -

2 stops25h 12m

Tue 20/1009:15 -

2 stops19h 43m

Deal found 15/9£686

Mon 15/317:30 -

2 stops44h 30m

Tue 23/311:45 -

2 stops41h 25m

Deal found 16/9£931

Wed 17/305:45 -

1 stop19h 10m

Thu 25/306:50 -

2 stops19h 10m

Deal found 15/9£655

Sun 4/1006:15 -

1 stop18h 30m

Sat 10/1009:30 -

2 stops35h 36m

Deal found 16/9£671

Sun 4/1010:43 -

2 stops15h 42m

Sat 10/1009:25 -

2 stops15h 36m

Deal found 14/9£1,612

Tue 16/310:56 -

1 stop13h 59m

Mon 22/310:25 -

1 stop17h 43m

Deal found 16/9£677

Tue 16/310:56 -

1 stop13h 59m

Thu 25/310:25 -

1 stop15h 35m

Deal found 16/9£677

Tue 16/317:30 -

2 stops44h 30m

Tue 23/311:45 -

2 stops41h 25m

Deal found 16/9£970

Mon 15/315:30 -

1 stop11h 25m

Sat 27/316:20 -

2 stops23h 01m

Deal found 16/9£680

Tue 16/315:30 -

1 stop11h 25m

Sun 28/312:05 -

2 stops16h 53m

Deal found 15/9£683

Mon 15/317:30 -

2 stops44h 30m

Wed 24/319:40 -

2 stops33h 30m

Deal found 16/9£1,017

Tue 16/315:30 -

1 stop11h 25m

Fri 26/310:25 -

1 stop15h 35m

Deal found 16/9£764

Mon 15/315:30 -

1 stop11h 25m

Fri 26/310:25 -

1 stop15h 35m

Deal found 16/9£764

Mon 15/317:30 -

2 stops44h 30m

Sat 27/311:45 -

2 stops41h 25m

Deal found 16/9£1,410

Wed 17/317:30 -

2 stops44h 30m

Thu 25/311:45 -

2 stops41h 25m

Deal found 16/9£1,449

Wed 30/917:28 -

2 stops33h 42m

Sat 3/1012:05 -

3 stops42h 03m

Deal found 16/9£1,734

Wed 17/317:30 -

2 stops44h 30m

Sat 27/311:45 -

2 stops41h 25m

Deal found 16/9£1,842

Wed 17/206:13 -

3 stops46h 37m

Tue 23/207:00 -

3 stops46h 16m

Deal found 16/9£9,751

Wed 14/1006:14 -

3 stops46h 31m

Tue 20/1006:55 -

3 stops46h 28m

Deal found 15/9£9,754

Mon 28/1211:22 -

3 stops41h 28m

Sat 2/108:00 -

3 stops38h 49m

Deal found 17/9£9,960

Find flight deals from Peoria to London

Round-trip from	£646

United Airlines
2/11-9/11
3 total stops
48h 38m total
Peoria to London

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 14/10

15:41-06:45

1 stop33h 04m

London Heathrow

Tue 20/10

08:45-22:58

2 stops20h 13m

£647

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 17/3

05:45-05:55

1 stop19h 10m

London Heathrow

Thu 25/3

06:50-21:00

2 stops19h 10m

£655

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 4/10

06:15-06:45

1 stop18h 30m

London Heathrow

Sat 10/10

09:30-15:06

2 stops35h 36m

£671

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 16/3

10:56-05:55

1 stop13h 59m

London Heathrow

Mon 22/3

10:25-23:08

1 stop17h 43m

£677

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 16/3

10:56-05:55

1 stop13h 59m

London Heathrow

Thu 25/3

10:25-21:00

1 stop15h 35m

£677

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 15/3

15:30-07:55

1 stop11h 25m

London Heathrow

Sat 27/3

16:20-10:21

2 stops23h 01m

£680

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 16/3

15:30-07:55

1 stop11h 25m

London Heathrow

Sun 28/3

12:05-22:58

2 stops16h 53m

£683

PeoriaLondon

PIA Greater Peoria - LCY London City

PIALCY

Greater Peoria

Wed 14/10

10:43-17:55

2 stops25h 12m

London City

Tue 20/10

09:15-22:58

2 stops19h 43m

£686

Fastest return journey

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 16/3

15:30-07:55

1 stop11h 25m

London Heathrow

Fri 26/3

10:25-21:00

1 stop15h 35m

£764

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 15/3

15:30-07:55

1 stop11h 25m

London Heathrow

Fri 26/3

10:25-21:00

1 stop15h 35m

£764

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Peoria to London

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

PIA-LON

PIA-LHR

PIA-LCY

PIA-LGW

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 Peoria to London

PIA-LON

PIA-LHR

PIA-LCY

PIA-LGW

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Peoria to London?
For a flight from Peoria to London, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Greater Peoria on a regular basis.
How long is the flight from Peoria, Illinois to London?
A quick flight from Peoria, Illinois to London can take about 25h 12m. United Airlines provides one of the quickest options available for as low as £686. Airlines will cover a distance of 4087 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Peoria, Illinois to London?
The most popular flight routes from Peoria, Illinois to London are Greater Peoria - London Heathrow, Greater Peoria - London City and Greater Peoria - London Gatwick.
Can I find deals for flights from Peoria to London that include hotel bookings?
Yes. In addition to deals on Peoria to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Peoria to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to London.
Can I find deals for business class flights from Peoria to London?
Yes. Cheapflights offers flight deals from Peoria to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Cheapflights helps you find that perfect flight to London from Peoria by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to London from Peoria shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Peoria to London 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 Peoria, Illinois to London from £646

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Peoria to London

Cheapest flights from Peoria to LondonExplore the most affordable flight options available from Peoria to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Explore the most affordable flight options available from Peoria to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Peoria to LondonDiscover carefully curated flight deals from Peoria to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Peoria to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Peoria to LondonDiscover last-minute flight deals from Peoria to London. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Peoria to London. Data last updated 19 September 2026 and is based on user searches.

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Related info for your journey

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

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

What are the most popular routes from Peoria, Illinois to London?

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

How can I find direct flights from Peoria to London?

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

Travelling to a place near London?

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Other flights to London

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

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Cheapest flights from Peoria to London
Explore the most affordable flight options available from Peoria to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Peoria to London
Discover carefully curated flight deals from Peoria to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated 19 September 2026 and is based on user searches.