Find flights
When to book
FAQs

Cheap flights from Peoria, Illinois to London from £433

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Peoria to London

Enter your travel dates to find the best prices.

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 18 June 2026.

Sun 23/815:35
PIA
-
LHR
1 stop14h 20m
United Airlines
Tue 15/906:50
LHR
-
PIA
2 stops20h 09m
United Airlines
Deal found 16/6£699
Wed 12/805:45
PIA
-
LHR
1 stop19h 00m
United Airlines
Wed 19/807:25
LHR
-
PIA
2 stops15h 36m
United Airlines
Deal found 16/6£700
Mon 10/814:33
PIA
-
LHR
1 stop11h 57m
United Airlines
Wed 19/807:30
LHR
-
PIA
2 stops21h 13m
United Airlines
Deal found 16/6£704
Thu 17/916:28
PIA
-
LHR
1 stop10h 57m
American Airlines
Thu 1/1015:15
LHR
-
PIA
1 stop14h 53m
American Airlines
Deal found 17/6£706
Sat 22/815:35
PIA
-
LHR
2 stops39h 15m
Lufthansa
Tue 8/910:50
LHR
-
PIA
2 stops18h 09m
Lufthansa
Deal found 17/6£710
Thu 17/917:28
PIA
-
LHR
1 stop11h 22m
Multiple Airlines
Thu 1/1006:15
LHR
-
PIA
2 stops23h 53m
Multiple Airlines
Deal found 17/6£713
Mon 10/816:43
PIA
-
LHR
1 stop14h 07m
American Airlines
Wed 19/814:45
LHR
-
PIA
1 stop14h 34m
American Airlines
Deal found 17/6£714
Wed 12/818:48
PIA
-
LHR
1 stop10h 27m
British Airways
Wed 19/815:15
LHR
-
PIA
1 stop14h 44m
British Airways
Deal found 13/6£716
Mon 10/809:04
PIA
-
LGW
1 stop18h 56m
Multiple Airlines
Wed 19/814:00
LGW
-
PIA
2 stops33h 24m
Multiple Airlines
Deal found 17/6£739
Mon 10/813:13
PIA
-
LCY
2 stops22h 42m
Lufthansa
Wed 19/818:30
LCY
-
PIA
2 stops28h 31m
Lufthansa
Deal found 17/6£745
Sun 30/815:35
PIA
-
LCY
2 stops20h 20m
Lufthansa
Tue 8/909:15
LCY
-
PIA
2 stops19h 44m
Lufthansa
Deal found 14/6£778
Sun 30/810:41
PIA
-
LGW
2 stops15h 44m
SWISS
Tue 8/909:25
LGW
-
PIA
2 stops17h 34m
SWISS
Deal found 14/6£898

Find flight deals from Peoria to London

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to London (LON). 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 18 June 2026.

Round-trip from

£699

One-way from

£433
United Airlines
  • United Airlines
  • 23/8-15/9
  • 3 total stops
  • 34h 29m total
  • Peoria to London
Search Deals
United Airlines
  • United Airlines
  • 23/8
  • 1 total stop
  • 18h 31m total
  • Peoria to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Peoria to London 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 18 June 2026.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

05:45-06:45

1 stop19h 00m

London Heathrow

Wed 19/8

07:25-17:01

2 stops15h 36m

£699

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 23/8

10:41-11:55

1 stop19h 14m

London Heathrow

Tue 15/9

06:50-16:58

2 stops16h 08m

£699

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 10/8

14:33-08:30

1 stop11h 57m

London Heathrow

Wed 19/8

07:30-22:43

2 stops21h 13m

£701

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Mon 10/8

09:04-10:00

1 stop18h 56m

London Gatwick

Wed 19/8

14:00-17:24

2 stops33h 24m

£739

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Mon 10/8

13:13-17:55

2 stops22h 42m

London City

Wed 19/8

18:30-17:01

2 stops28h 31m

£745

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 30/8

15:35-17:55

2 stops20h 20m

London City

Tue 8/9

09:15-22:59

2 stops19h 44m

£778

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 22/7

17:43-17:55

2 stops18h 12m

London City

Wed 29/7

09:15-23:20

2 stops20h 05m

£921

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 15/7

06:00-10:40

2 stops22h 40m

London Gatwick

Mon 20/7

14:00-18:28

2 stops34h 28m

£1,179

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 15/7

18:58-20:00

2 stops19h 02m

London Gatwick

Sat 18/7

20:40-00:22

2 stops33h 42m

£1,689

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Tue 14/7

18:58-20:00

2 stops19h 02m

London Gatwick

Sat 18/7

20:40-18:42

2 stops28h 02m

£1,689

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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.
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
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 Peoria to London. 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?

    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 19h. United Airlines provides one of the quickest options available for as low as £699. Airlines will cover a distance of 4069 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 Gatwick and Greater Peoria - London City.

  • 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

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.

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 Peoria to London?

When you search for this flight from Peoria to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.