$1,170 Cheap Flights from London (LHR) to Peoria (PIA)

View $1,170 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Peoria, IL (PIA-Greater Peoria Regional)

Cheap Flights from London to Peoria (LHR-PIA)

Prices were available within the past 7 days and start at $1,170 for one-way flights and $909 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Nov 21 - Fri, Nov 28
LHR
London
PIA
Peoria
$909 Roundtrip, found 4 days ago
$909
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Nov 21 from London to Peoria, returning Fri, Nov 28, priced at $909 found 4 days ago
Brussels Airlines
Thu, Oct 9 - Mon, Oct 13
LHR
London
PIA
Peoria
$912 Roundtrip, found 4 days ago
$912
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Thu, Oct 9 from London to Peoria, returning Mon, Oct 13, priced at $912 found 4 days ago
Lufthansa
Fri, Nov 21 - Fri, Nov 28
LHR
London
PIA
Peoria
$914 Roundtrip, found 4 days ago
$914
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Nov 21 from London to Peoria, returning Fri, Nov 28, priced at $914 found 4 days ago
Lufthansa
Thu, Oct 2 - Tue, Oct 7
LHR
London
PIA
Peoria
$917 Roundtrip, found 4 days ago
$917
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Oct 2 from London to Peoria, returning Tue, Oct 7, priced at $917 found 4 days ago
Lufthansa
Fri, Nov 21 - Fri, Nov 28
LHR
London
PIA
Peoria
$920 Roundtrip, found 4 days ago
$920
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Nov 21 from London to Peoria, returning Fri, Nov 28, priced at $920 found 4 days ago
Lufthansa
Thu, Oct 2 - Tue, Oct 7
LHR
London
PIA
Peoria
$920 Roundtrip, found 4 days ago
$920
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Oct 2 from London to Peoria, returning Tue, Oct 7, priced at $920 found 4 days ago
Lufthansa
Thu, Oct 2 - Tue, Oct 7
LHR
London
PIA
Peoria
$922 Roundtrip, found 4 days ago
$922
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Oct 2 from London to Peoria, returning Tue, Oct 7, priced at $922 found 4 days ago
United
Thu, Oct 9 - Mon, Oct 13
LHR
London
PIA
Peoria
$945 Roundtrip, found 4 days ago
$945
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 9 from London to Peoria, returning Mon, Oct 13, priced at $945 found 4 days ago
British Airways
Thu, Oct 2 - Tue, Oct 7
LHR
London
PIA
Peoria
$949 Roundtrip, found 4 days ago
$949
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Oct 2 from London to Peoria, returning Tue, Oct 7, priced at $949 found 4 days ago
American Airlines
Thu, Oct 9 - Mon, Oct 13
LHR
London
PIA
Peoria
$951 Roundtrip, found 4 days ago
$951
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 9 from London to Peoria, returning Mon, Oct 13, priced at $951 found 4 days ago
Flights from London (LHR) to Peoria (PIA)
Origin airport
Heathrow
Destination airport
Greater Peoria Regional
Roundtrip price
$908
Distance
4071 mi

London to Peoria Flights

The cheapest times to fly from London to Peoria

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Peoria are during the month of November. You can find some of the cheapest flights from London to Peoria with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Peoria

Sunday is one of the best days to book for cheap flights from London to Peoria: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Peoria

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Peoria in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Peoria flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Peoria airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA) cost?
Lock in a cheap one-way flight from $1,170 or cheap return flight from $909 from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA)?
November is the most affordable month to fly from LHR to PIA. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LHR to PIA flight.
How many flights per day from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA)?
There aren't any daily nonstop flights departing from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from LHR to PIA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA)?
To avoid potential delays on the Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA) last-minute?
Waiting until just before your departure to book your flight from LHR to PIA often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book a LHR to PIA flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to PIA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Greater Peoria Regional Airport (PIA)?
Typically, you can cancel or modify your LHR to PIA flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.