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Cheap flights from London Heathrow Airport to Peoria, Illinois from £810

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PIA
2 Nov — 9 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Heathrow to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 3 October 2025.

Round-trip from

£810
American Airlines
  • American Airlines
  • 20/2-24/2
  • 3 total stops
  • 41h 59m total
  • London to Peoria
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Find flight deals from Heathrow to Peoria

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Peoria
Explore the most affordable flight options available from Heathrow to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2025.

Fri 7/1109:00LHR - PIA
2 stops31h 16mUnited Airlines
Wed 19/1115:30PIA - LHR
2 stops12h 55mUnited Airlines
Deal found 1/10£820
Sun 16/1111:10LHR - PIA
2 stops31h 29mUnited Airlines
Sun 23/1117:23PIA - LHR
1 stop32h 32mUnited Airlines
Deal found 2/10£842
Thu 23/1008:40LHR - PIA
2 stops19h 35mUnited Airlines
Thu 6/1115:30PIA - LHR
1 stop10h 25mUnited Airlines
Deal found 2/10£906

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 3 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Peoria that are best for you.

Fly from

Heathrow

Fly to

Peoria

Route

Depart

Return

Price

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 20/2

16:10-15:46

2 stops29h 36m

Greater Peoria

Tue 24/2

15:37-10:00

1 stop12h 23m

£810

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 7/11

09:00-12:39

2 stops33h 39m

Greater Peoria

Wed 19/11

13:20-05:55

1 stop10h 35m

£820

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Fri 20/2

06:50-16:31

2 stops15h 41m

Greater Peoria

Tue 24/2

10:55-06:40

2 stops13h 45m

£825

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 16/11

11:10-12:39

2 stops31h 29m

Greater Peoria

Sun 23/11

17:23-07:55

1 stop32h 32m

£842

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Best time to book a flight from Heathrow to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Heathrow 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 Heathrow Airport to Peoria

What is the cheapest time of day to fly from LHR to PIA?

Find hourly flight availability from Heathrow to Peoria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 October 2025.

It’s optimal to fly from London Heathrow Airport to Peoria, Illinois at midday. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Peoria. Reviews last updated 3 October 2025.
Get a feel of what it's like to fly with United Airlines from London Heathrow Airport to Peoria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,933 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
8,933 reviews
United Airlines
7.4
Good
8,933 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    If you book a flight to Peoria from London Heathrow, you will be flying to Greater Peoria, which is the city’s only airport. Greater Peoria (PIA) is located 6.0 mi from the center of Peoria. There are 0 flights from London Heathrow to Greater Peoria per day from 1 airline.

  • How long is the flight from London Heathrow Airport to Peoria, Illinois?

    Airlines like American Airlines and United Airlines fly from London Heathrow Airport to Peoria, Illinois in about 29h 36m. The time it takes to get you to your destination can typically vary by up to 4h 03m. There are 4069 mi between London Heathrow Airport and Peoria, Illinois. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from London Heathrow Airport to Peoria, Illinois round-trip?

    Currently priced at £705, United Airlines will fly you from London Heathrow Airport to Peoria, Illinois and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Heathrow to Peoria that include hotel bookings?

    Yes. In addition to deals on Heathrow to Peoria flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Peoria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Peoria.

  • Can I find deals for business class flights from Heathrow to Peoria?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Heathrow to Peoria

Discover the top airline that operate flights from Heathrow to Peoria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£705Average£812FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Peoria?

When you search for this flight from Heathrow to Peoria, 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 Heathrow to Peoria?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Peoria by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Peoria with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Peoria with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Peoria become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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