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Cheap flights from London to Peoria, Illinois from £584

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PIA
15 Sep — 22 Sep1
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 16 August 2026.

Wed 4/1109:00 -
2 stops20h 13m
Sun 8/1117:22 -
1 stop32h 33m
Deal found 13/8£781
Mon 28/907:30 -
2 stops17h 31m
Mon 5/1008:30 -
2 stops15h 25m
Deal found 14/8£785
Tue 29/907:30 -
2 stops17h 31m
Tue 6/1016:05 -
1 stop13h 50m
Deal found 15/8£788
Sun 27/911:05 -
2 stops34h 01m
Sun 4/1016:05 -
1 stop32h 40m
Deal found 13/8£797
Thu 3/1209:00 -
2 stops18h 00m
Sun 6/1220:25 -
2 stops29h 15m
Deal found 11/8£812
Sun 13/917:55 -
2 stops29h 33m
Sun 20/915:35 -
1 stop33h 10m
Deal found 13/8£814

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 16 August 2026.

Round-trip from

£781

One-way from

£584
United Airlines
  • United Airlines
  • 4/11-8/11
  • 3 total stops
  • 52h 46m total
  • London to Peoria
Search Deals
United Airlines
  • United Airlines
  • 13/9
  • 1 total stop
  • 15h 41m 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 16 August 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 London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 4/11

09:00-23:13

2 stops20h 13m

Greater Peoria

Sun 8/11

17:22-07:55

1 stop32h 33m

£781
Fastest return journey

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Mon 28/9

07:30-19:01

2 stops17h 31m

Greater Peoria

Mon 5/10

10:43-08:30

1 stop15h 47m

£785

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Tue 29/9

07:30-19:01

2 stops17h 31m

Greater Peoria

Tue 6/10

08:30-07:15

2 stops16h 45m

£788

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 30/9

07:30-19:01

2 stops17h 31m

Greater Peoria

Wed 7/10

08:30-07:55

2 stops17h 25m

£788

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Sun 27/9

11:05-15:06

2 stops34h 01m

Greater Peoria

Sun 4/10

16:05-06:45

1 stop32h 40m

£797

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Thu 3/12

09:00-22:48

2 stops19h 48m

Greater Peoria

Sun 6/12

20:25-05:55

1 stop27h 30m

£812
Cheapest one-way

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Sun 13/9

08:00-17:41

1 stop15h 41m

£584
Fastest single journey

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Sat 2/1

11:00-16:49

1 stop11h 49m

£698

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Sun 3/1

11:00-00:15

1 stop19h 15m

£713

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Sat 2/1

12:15-11:19

3 stops29h 04m

£922

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 0 airlines have 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 20h 13m. United Airlines provides one of the quickest options available for as low as £781. 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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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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