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Cheap flights from London to Peoria, Illinois from £519

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PIA
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Peoria

Enter your travel dates to find the best prices.

Cheapest flights from London to Peoria
Explore the most affordable flight options available from London to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Tue 9/619:25
LHR
-
PIA
2 stops29h 06m
British Airways
Tue 16/609:53
PIA
-
LHR
1 stop19h 22m
British Airways
Deal found 25/4£827
Tue 9/606:15
LHR
-
PIA
2 stops18h 16m
Multiple Airlines
Tue 16/619:03
PIA
-
LHR
2 stops16h 12m
Multiple Airlines
Deal found 25/4£833
Fri 1/520:00
LHR
-
PIA
2 stops28h 24m
British Airways
Wed 22/709:51
PIA
-
LHR
1 stop18h 39m
British Airways
Deal found 23/4£1,104

Find flight deals from London to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Peoria (PIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 April 2026.

Round-trip from

£827

One-way from

£519
British Airways
  • British Airways
  • 9/6-16/6
  • 3 total stops
  • 48h 28m total
  • London to Peoria
Search Deals
British Airways
  • British Airways
  • 21/9
  • 1 total stop
  • 12h 30m total
  • London to Peoria
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Peoria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from London to Peoria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Tue 9/6

19:25-18:31

2 stops29h 06m

Greater Peoria

Tue 16/6

09:53-11:15

1 stop19h 22m

£827

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Tue 9/6

06:15-18:31

2 stops18h 16m

Greater Peoria

Tue 16/6

19:03-17:15

2 stops16h 12m

£833
Fastest return journey

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 10/5

06:15-18:24

2 stops18h 09m

Greater Peoria

Fri 15/5

18:54-12:15

1 stop11h 21m

£1,448
Cheapest one-way

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Mon 21/9

11:10-17:40

1 stop12h 30m

£519

LondonPeoria

LCY - PIA

LCYPIA

London City

Mon 21/9

19:15-23:03

2 stops33h 48m

£546

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 15/5

14:10-17:29

3 stops57h 19m

£579

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 28/8

14:45-23:21

1 stop14h 36m

£583

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 28/8

19:50-17:34

3 stops51h 44m

£654

LondonPeoria

LCY - PIA

LCYPIA

London City

Fri 28/8

19:15-17:49

2 stops28h 34m

£670

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 23/5

11:10-23:59

1 stop18h 49m

£709

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 16 resultsSorted by cheapest first
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Best time to book a flight from London to Peoria

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

Cheapflights Insights

Everything you need to know about your flight from London to Peoria
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London to Peoria. 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 into for flights to Peoria from London?

    Greater Peoria (PIA) is the airport you will fly into if you book a flight from London to Peoria. You should not have trouble finding flights to Greater Peoria from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Peoria airport from London. It is only a 6.0 mi journey from Greater Peoria (PIA) to Peoria’s city center.

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

    A quick flight from London to Peoria, Illinois can take about 29h 06m. British Airways provides one of the quickest options available for as low as £827. Airlines will cover a distance of 4069 mi.

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

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

  • How can I find direct flights from London to Peoria?

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

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

    Yes. Cheapflights offers flight deals from London to Peoria 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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Alternative routes for London to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Birmingham to St. Louis flights
Manchester to Peoria flights
Newcastle upon Tyne to St. Louis flights
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Grimsby to O'Hare Intl flights
Southampton to Midway flights
Doncaster to O'Hare Intl flights
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London City to Peoria flights
London City to Midway flights
Leeds to St. Louis flights
Liverpool to St. Louis flights
Heathrow to Champaign flights
Manchester to Moline flights
Gatwick to Evansville flights
Heathrow to Dubuque flights

Top airline flying from London to Peoria

Discover the top airline that operate flights from London to Peoria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£701Average£842FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for London to Peoria flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Peoria.

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

Yes, we can. To see specific flights from London to Peoria with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from London to Peoria on Cheapflights with our Price Alert feature and get notified when better prices are available.

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