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$634+ Cheap flights from Peoria, IL (PIA) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 12/285:19 pmPIA - LHR
2 stops23h 36mUnited Airlines
Sun 1/412:05 pmLHR - PIA
2 stops39h 34mUnited Airlines
Deal found 11/12$1,308
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:19 pmPIA - LHR
1 stop30h 36mMultiple Airlines
Sat 1/33:45 pmLHR - PIA
1 stop33h 51mMultiple Airlines
Deal found 11/12$1,824
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 12/276:30 amPIA - LHR
2 stops20h 00mUnited Airlines
Sat 1/31:25 pmLHR - PIA
2 stops33h 18mUnited Airlines
Deal found 11/12$1,859
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/266:30 amPIA - LHR
2 stops18h 00mUnited Airlines
Fri 1/26:50 amLHR - PIA
2 stops20h 49mUnited Airlines
Deal found 11/11$1,908
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/266:25 pmPIA - LHR
1 stop11h 35mAmerican Airlines
Fri 1/211:55 amLHR - PIA
1 stop16h 46mAmerican Airlines
Deal found 11/11$2,072
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 12/286:25 pmPIA - LHR
1 stop11h 35mAmerican Airlines
Sun 1/49:55 amLHR - PIA
1 stop13h 44mAmerican Airlines
Deal found 11/12$2,121
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/276:25 pmPIA - LHR
1 stop11h 35mAmerican Airlines
Sat 1/311:55 amLHR - PIA
1 stop16h 51mAmerican Airlines
Deal found 11/11$2,331
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:41 pmPIA - LHR
2 stops27h 04mMultiple Airlines
Fri 1/22:00 pmLHR - PIA
1 stop36h 59mMultiple Airlines
Deal found 11/11$2,667
This Ovago deal was found by Cheapflights users on 11/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:19 pmPIA - LHR
2 stops16h 31mLufthansa
Sat 1/36:35 amLHR - PIA
2 stops16h 08mLufthansa
Deal found 11/11$2,713

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$634
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$801
Provider with most accurate pricing for Greater Peoria-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-London Heathrow flights.
Search Deals
From Greater Peoria to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 13, 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

Wed 3/4

6:35 am-7:10 am

2 stops18h 35m

London Heathrow

Tue 3/10

6:35 am-9:01 pm

2 stops19h 26m

$634

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 3/4

1:25 pm-5:55 am

1 stop10h 30m

London Heathrow

Tue 3/10

6:00 am-4:39 pm

2 stops15h 39m

$635

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 3/4

7:03 pm-11:35 am

1 stop10h 32m

London Heathrow

Tue 3/10

2:10 pm-9:25 pm

1 stop12h 15m

$664

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 3/27

1:24 pm-11:20 am

2 stops16h 56m

London Heathrow

Tue 3/31

2:05 pm-12:36 pm

2 stops28h 31m

$696

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 3/27

4:52 pm-11:25 am

2 stops13h 33m

London Heathrow

Tue 3/31

3:00 pm-9:32 pm

1 stop12h 32m

$917

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Compare providers for flights from Peoria to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to Heathrow in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Peoria, Illinois-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Peoria, Illinois-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 13, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and British Airways 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.
United Airlines
7.4
Good
9,015 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,015 reviews
United Airlines
7.4
Good
9,015 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,015 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,516 reviews
United Airlines
7.4
Good
9,015 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

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

    A quick flight from Peoria, Illinois to London Heathrow Airport can take about 10h 32m. United Airlines provides one of the quickest options available for as low as $664. There are 4069 mi between Peoria, Illinois and London Heathrow Airport. This flight may include one or multiple stops.

  • 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 $729 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $739 and $743 round-trip. British Airways is 22% 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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Alternative routes for Peoria to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$906FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$885FlexibilityNo cancel feeOn-time71%

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