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Cheap flights from Peoria, Illinois to London Heathrow Airport from £432

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
3 1月 — 10 1月1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Peoria to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Peoria to Heathrow
Explore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 12月 2025.

週二 2/1217:15PIA - LHR
2 stops17h 50mLufthansa
週二 20/106:35LHR - PIA
2 stops16h 08mLufthansa
Deal found 2/12£454
週二 2/1217:15PIA - LHR
1 stop12h 45mAmerican Airlines
週二 20/109:55LHR - PIA
1 stop13h 04mAmerican Airlines
Deal found 2/12£494
週六 27/1217:19PIA - LHR
2 stops19h 16mLufthansa
週六 3/116:30LHR - PIA
2 stops35h 09mLufthansa
Deal found 2/12£1,406
週六 27/1215:30PIA - LHR
1 stop13h 45mUnited Airlines
週六 3/107:40LHR - PIA
1 stop15h 03mUnited Airlines
Deal found 2/12£1,513

Find flight deals from Peoria to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Heathrow (LHR). 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 4 12月 2025.

Round-trip from

£448

One-way from

£432

Popular in

June

Cheapest in

March

Average price

£752
American Airlines
  • American Airlines
  • 11/1-20/1
  • 2 total stops
  • 29h 49m total
  • Peoria to London
Search Deals
30/5
  • 30/5
  • 3 total stops
  • 48h 10m total
  • Peoria to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Peoria to Heathrow 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 4 12月 2025.
Use the filters below to find and compare flights from Peoria to London Heathrow Airport that are best for you.

Fly from

Peoria

Fly to

Heathrow

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週日 11/1

17:16-10:25

1 stop11h 09m

London Heathrow

週二 20/1

06:05-22:21

2 stops22h 16m

£453

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週日 11/1

17:16-08:15

1 stop32h 59m

London Heathrow

週二 20/1

11:00-16:32

1 stop11h 32m

£468

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週日 11/1

17:18-13:00

2 stops37h 42m

London Heathrow

週二 20/1

11:10-21:39

2 stops16h 29m

£493

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週五 16/1

17:18-11:15

1 stop11h 57m

London Heathrow

週五 23/1

06:50-16:43

2 stops15h 53m

£494

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週五 23/1

06:30-05:55

1 stop17h 25m

London Heathrow

週二 27/1

06:50-21:39

2 stops20h 49m

£494

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週六 17/1

15:00-05:55

1 stop32h 55m

London Heathrow

週六 24/1

13:45-14:23

2 stops54h 38m

£502

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

週六 30/5

17:20-12:20

2 stops37h 00m

£491

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Best time to book a flight from Peoria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Heathrow. 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 Heathrow?

    Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to London Heathrow. On average, Greater Peoria has 0 outbound flights to London Heathrow per day from 0 airlines. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

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

    British Airways, Lufthansa, and United Airlines can get you from Peoria, Illinois to London Heathrow Airport in just under 11h 57m. Your travel time can differ by up to 25h 45m. Peoria, Illinois and London Heathrow Airport are separated by a distance of 4069 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to Heathrow 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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Why should you use Cheapflights to find cheap flight tickets from Peoria to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Peoria to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Peoria to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Peoria to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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