Heathrow

$463+ Cheap flights from Peoria, IL (PIA) to Heathrow (LHR)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Jul 7 — Jul 141
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Cheap 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 July 2, 2025.

Round-trip from

$619
(Justfly.com)

One-way from

$463
(Justfly.com)

Popular in

December

Cheapest in

October

Average price

$1,159
From Greater Peoria to London Heathrow
One-way flight from Greater Peoria to London Heathrow
Highest demand for flights based on searches. 32% potential increase in price ($491 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($74 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Peoria to Heathrow

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 July 2, 2025.

This Justfly.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:39 pmPIA - LHR
1 stop10h 26mBritish Airways
Tue 8/266:10 amLHR - PIA
2 stops17h 59mBritish Airways
Deal found 7/2$619
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:19 pmPIA - LHR
2 stops31h 11mUnited Airlines
Tue 8/269:30 amLHR - PIA
2 stops30h 43mUnited Airlines
Deal found 7/2$631
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:15 pmPIA - LHR
1 stop14h 15mAmerican Airlines
Sat 9/279:15 amLHR - PIA
1 stop13h 23mAmerican Airlines
Deal found 7/1$704
This Gotogate deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:25 pmPIA - LHR
2 stops17h 15mLufthansa
Sat 8/231:30 pmLHR - PIA
2 stops31h 48mLufthansa
Deal found 7/2$741
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:54 pmPIA - LHR
3 stops43h 26mMultiple Airlines
Sat 8/233:50 pmLHR - PIA
3 stops29h 28mMultiple Airlines
Deal found 7/2$2,360

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 2, 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

Tue 8/19

6:39 pm-11:05 am

1 stop10h 26m

London Heathrow

Tue 8/26

6:10 am-6:09 pm

2 stops17h 59m

$619

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

5:19 pm-6:30 am

2 stops31h 11m

London Heathrow

Tue 8/26

9:30 am-10:13 am

2 stops30h 43m

$631

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 9/1

4:15 pm-12:30 pm

1 stop14h 15m

London Heathrow

Sat 9/27

9:15 am-4:38 pm

1 stop13h 23m

$704

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 8/16

5:25 pm-4:40 pm

2 stops17h 15m

London Heathrow

Sat 8/23

1:30 pm-3:18 pm

2 stops31h 48m

$741

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 8/16

6:54 pm-8:20 pm

3 stops43h 26m

London Heathrow

Sat 8/23

3:50 pm-3:18 pm

3 stops29h 28m

$2,360

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 8/22

8:00 pm-12:15 pm

1 stop10h 15m

$463

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 8/22

8:10 am-10:40 am

2 stops20h 30m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 round-trip 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated July 2, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Lufthansa from Peoria to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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?

    Greater Peoria (PIA), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Peoria to London Heathrow. 3 airlines have flights from Greater Peoria to London Heathrow on a regular basis. Booking flights from Greater Peoria to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    Our cheapest airline available from Peoria, Illinois to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $619 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $631 and $704 round-trip. British Airways is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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.

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

    Currently, November is the cheapest month in which you can book a flight from Peoria, Illinois to London Heathrow Airport (average of $661). Flying from Peoria, Illinois to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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Top 3 airlines flying from Peoria to Heathrow

Discover the top 3 airlines that operate flights from Peoria to Heathrow. 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 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$743Average$885FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$829Average$1,159FlexibilityNo cancel feeOn-time69%

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