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Cheap flights from Peoria, Illinois to London from £292

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
26 Feb — 5 Mar1
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 27 January 2026.

Sun 1/213:24
PIA
-
LHR
1 stop12h 31m
United Airlines
Tue 10/206:50
LHR
-
PIA
2 stops20h 49m
United Airlines
Deal found 26/1£466
Wed 4/217:18
PIA
-
LHR
2 stops21h 42m
Lufthansa
Mon 9/219:30
LHR
-
PIA
2 stops27h 13m
Lufthansa
Deal found 26/1£472
Wed 4/215:00
PIA
-
LHR
1 stop14h 15m
United Airlines
Mon 9/211:05
LHR
-
PIA
2 stops35h 38m
United Airlines
Deal found 26/1£478
Wed 1/413:20
PIA
-
LHR
1 stop11h 25m
United Airlines
Wed 8/408:40
LHR
-
PIA
2 stops38h 04m
United Airlines
Deal found 25/1£480
Wed 8/413:20
PIA
-
LHR
1 stop11h 25m
United Airlines
Fri 17/406:55
LHR
-
PIA
2 stops33h 07m
United Airlines
Deal found 26/1£483
Wed 12/817:20
PIA
-
LHR
1 stop12h 25m
United Airlines
Wed 19/817:40
LHR
-
PIA
2 stops33h 06m
United Airlines
Deal found 26/1£489
Sun 1/213:24
PIA
-
LHR
1 stop10h 31m
Lufthansa
Tue 10/206:35
LHR
-
PIA
2 stops21h 04m
Lufthansa
Deal found 26/1£497
Wed 4/213:24
PIA
-
LCY
2 stops13h 41m
Lufthansa
Mon 9/218:15
LCY
-
PIA
2 stops33h 24m
Lufthansa
Deal found 26/1£524
Wed 4/218:44
PIA
-
LGW
2 stops43h 11m
British Airways
Mon 9/219:40
LGW
-
PIA
2 stops32h 41m
British Airways
Deal found 26/1£550
Wed 8/417:25
PIA
-
LCY
2 stops18h 30m
Lufthansa
Fri 17/418:30
LCY
-
PIA
2 stops28h 14m
Lufthansa
Deal found 26/1£614
Wed 8/413:28
PIA
-
LGW
2 stops34h 52m
Multiple Airlines
Fri 17/414:00
LGW
-
PIA
1 stop25h 38m
Multiple Airlines
Deal found 26/1£717
Tue 28/717:20
PIA
-
LCY
2 stops18h 35m
Lufthansa
Tue 4/818:30
LCY
-
PIA
2 stops32h 16m
Lufthansa
Deal found 26/1£824

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 27 January 2026.

Round-trip from

£480

One-way from

£292

Popular in

December

Cheapest in

September
United Airlines
  • United Airlines
  • 1/4-8/4
  • 3 total stops
  • 49h 29m total
  • Peoria to London
Search Deals
Lufthansa
  • Lufthansa
  • 8/2
  • 2 total stops
  • 15h 21m total
  • Peoria to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£228 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£66 potential savings vs. average return price).
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 27 January 2026.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Peoria

Fly to

London

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 1/4

13:20-06:45

1 stop11h 25m

London Heathrow

Wed 8/4

08:40-16:44

2 stops38h 04m

£480

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 12/3

17:25-11:15

1 stop12h 50m

London Heathrow

Thu 19/3

13:25-16:40

2 stops32h 15m

£510

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 17/4

06:30-06:45

1 stop18h 15m

London Heathrow

Sat 2/5

06:50-18:59

2 stops18h 09m

£552

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 8/4

17:25-17:55

2 stops18h 30m

London City

Fri 17/4

18:30-16:44

2 stops28h 14m

£614

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 13/3

06:35-06:40

2 stops19h 05m

London Heathrow

Fri 20/3

07:25-16:40

1 stop14h 15m

£652

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 14/6

07:00-10:00

2 stops21h 00m

London Heathrow

Tue 16/6

08:45-20:46

2 stops18h 01m

£716

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 8/4

13:28-06:20

2 stops34h 52m

London Gatwick

Fri 17/4

14:00-09:38

1 stop25h 38m

£717

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 26/7

10:55-11:45

1 stop18h 50m

London Heathrow

Wed 5/8

08:00-20:46

1 stop18h 46m

£744

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 26/7

17:20-11:45

1 stop12h 25m

London Heathrow

Tue 4/8

08:00-20:46

1 stop18h 46m

£744

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 5/7

10:55-17:55

2 stops25h 00m

London City

Tue 14/7

18:30-20:46

2 stops32h 16m

£879

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 26 results
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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

What is the cheapest month to book a flight from Peoria, Illinois to London?

Currently, February is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of £442). Flying from Peoria, Illinois to London in June is currently the most expensive (average of £741). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 11h 25m. United Airlines provides one of the quickest options available for as low as £480. 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 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.

  • What is the cheapest month to book a flight from Peoria, Illinois to London?

    Currently, February is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of £442). Flying from Peoria, Illinois to London in June is currently the most expensive (average of £741). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Ilford
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Watford
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Romford
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Alternative routes for Peoria to London

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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.

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