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Cheap flights from London to Peoria, Illinois from £520

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
12 Sep — 19 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 13 August 2026.

Wed 9/908:40 -
2 stops18h 19m
Wed 16/908:29 -
2 stops15h 26m
Deal found 11/8£783
Wed 4/1109:00 -
2 stops31h 08m
Sun 8/1117:22 -
2 stops31h 48m
Deal found 12/8£786
Wed 23/907:30 -
2 stops19h 29m
Wed 30/908:30 -
2 stops15h 25m
Deal found 9/8£788
Wed 9/909:45 -
1 stop13h 13m
Wed 16/917:28 -
1 stop11h 47m
Deal found 11/8£801
Thu 3/1209:00 -
2 stops18h 00m
Sun 6/1220:25 -
2 stops29h 15m
Deal found 11/8£814
Thu 24/907:30 -
2 stops17h 31m
Thu 1/1006:15 -
2 stops19h 40m
Deal found 10/8£817
Fri 4/909:30 -
2 stops19h 13m
Thu 10/910:32 -
1 stop14h 13m
Deal found 9/8£824
Fri 4/908:40 -
2 stops20h 03m
Thu 10/915:35 -
2 stops13h 05m
Deal found 9/8£828
Fri 4/909:15 -
2 stops39h 48m
Thu 10/918:39 -
2 stops17h 16m
Deal found 9/8£851
Wed 9/909:15 -
2 stops19h 58m
Wed 16/910:32 -
2 stops25h 23m
Deal found 11/8£854
Thu 3/1211:00 -
1 stop12h 08m
Sun 6/1217:39 -
1 stop31h 16m
Deal found 11/8£859
Thu 5/1107:50 -
2 stops22h 09m
Sun 8/1117:38 -
2 stops57h 12m
Deal found 10/8£875

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 13 August 2026.

Round-trip from

£783

One-way from

£520
United Airlines
  • United Airlines
  • 9/9-16/9
  • 4 total stops
  • 33h 45m total
  • London to Peoria
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 54h 19m 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 13 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 9/9

08:40-20:59

2 stops18h 19m

Greater Peoria

Wed 16/9

10:32-08:30

1 stop15h 58m

£783

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

£783

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 23/9

09:30-23:13

2 stops19h 43m

Greater Peoria

Wed 30/9

16:05-11:55

1 stop13h 50m

£788
Fastest return journey

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 9/9

09:45-16:58

1 stop13h 13m

Greater Peoria

Wed 16/9

17:28-11:15

1 stop11h 47m

£801

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Thu 3/12

09:00-21:00

2 stops18h 00m

Greater Peoria

Sun 6/12

20:25-07:40

2 stops29h 15m

£814

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Thu 24/9

07:30-19:01

2 stops17h 31m

Greater Peoria

Thu 1/10

06:15-07:55

2 stops19h 40m

£817

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Fri 4/9

09:30-22:43

2 stops19h 13m

Greater Peoria

Thu 10/9

10:32-06:45

1 stop14h 13m

£824

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Fri 4/9

08:40-22:43

2 stops20h 03m

Greater Peoria

Thu 10/9

15:35-10:40

2 stops13h 05m

£828

LondonPeoria

LCY London City - PIA Greater Peoria

LCYPIA

London City

Fri 4/9

09:15-19:03

2 stops39h 48m

Greater Peoria

Thu 10/9

18:39-17:55

2 stops17h 16m

£851

LondonPeoria

LCY London City - PIA Greater Peoria

LCYPIA

London City

Thu 5/11

07:50-23:59

2 stops22h 09m

Greater Peoria

Sun 8/11

17:38-08:50

2 stops57h 12m

£875

Flights are sorted by cheapest return flights first.

Deals found on 10/8

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 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 13h 13m. United Airlines provides one of the quickest options available for as low as £801. Airlines will cover a distance of 4069 mi. This flight may include one or multiple stops.

  • 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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Darlington to O'Hare Intl flights
Newcastle upon Tyne to Midway flights
London City to Midway flights
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Southampton to Midway flights
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Fly with Cheapflights

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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.

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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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