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Cheap flights from London Heathrow Airport to Peoria, Illinois from £784

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PIA
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£876

One-way from

£784
British Airways
  • British Airways
  • 26/6-30/6
  • 2 total stops
  • 21h 45m total
  • London to Peoria
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 33h 01m total
  • London to Peoria
Search Deals

Find flight deals from Heathrow to Peoria

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 13 June 2025.

Sun 27/708:30LHR - PIA
1 stop12h 33mLufthansa
Sun 3/817:25PIA - LHR
1 stop32h 55mLufthansa
Deal found 12/6£1,119
Sun 27/709:15LHR - PIA
1 stop20h 20mBritish Airways
Sun 3/818:24PIA - LHR
1 stop9h 56mBritish Airways
Deal found 12/6£1,133
Sun 27/713:25LHR - PIA
3 stops31h 33mMultiple Airlines
Sun 3/809:07PIA - LHR
3 stops29h 13mMultiple Airlines
Deal found 12/6£1,167
Sun 27/707:30LHR - PIA
2 stops32h 49mUnited Airlines
Sun 3/815:39PIA - LHR
1 stop32h 41mUnited Airlines
Deal found 12/6£1,172

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 13 June 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

Sun 27/7

08:30-15:03

1 stop12h 33m

Greater Peoria

Sun 3/8

17:25-08:20

1 stop32h 55m

£1,119

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 27/7

09:15-23:35

1 stop20h 20m

Greater Peoria

Sun 3/8

18:24-10:20

1 stop9h 56m

£1,133

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 27/7

13:25-14:58

3 stops31h 33m

Greater Peoria

Sun 3/8

09:07-20:20

3 stops29h 13m

£1,167

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 27/7

07:30-10:19

2 stops32h 49m

Greater Peoria

Sun 3/8

15:39-06:20

1 stop32h 41m

£1,172

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Mon 1/9

22:05-15:29

3 stops47h 24m

£849

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 13 June 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.

Rainfall in Peoria by month

Plan your trip to Peoria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Peoria, Illinois ranges from 46.0 - 109.0 inches per month. May is typically the wettest month, when rainfall can reach 109.0 mm. January is typically the driest time to visit Peoria, Illinois when rainfall is around 46.0 mm.

Temperature in Peoria by month

Plan your trip to Peoria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Peoria, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

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 13 June 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines and Lufthansa from London 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
8,790 reviews
Check prices

Food

6.6

Entertainment

7.0

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Entertainment

7.0

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Entertainment

7.0

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Lufthansa
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Entertainment

7.0

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
British Airways
6.6
Okay
7,011 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Entertainment

7.0

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • What are the cheapest airlines flying from London Heathrow Airport to Peoria, Illinois round-trip?

    Currently priced at £876, British Airways will fly you from London Heathrow Airport to Peoria, Illinois and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Lufthansa - these airlines can fly you to your destination from £896 and £1,119, respectively.

  • 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.
Heathrow to O'Hare Intl flights
Gatwick to O'Hare Intl flights
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London City to St. Louis flights
London City to Midway flights
Stansted to St. Louis flights
Luton to St. Louis flights
Heathrow to Moline flights
Southend to O'Hare Intl flights
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London City to Peoria flights
Heathrow to Springfield flights
Heathrow to Champaign flights
London City to Moline flights
Gatwick to Evansville flights
London City to Evansville flights
Gatwick to Champaign flights

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£765Average£835FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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?

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

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