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$655+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(oojo)

Popular in

December

Cheapest in

March

Average price

$762
Provider with most accurate pricing for Greater Peoria-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-London Heathrow flights.
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From Greater Peoria to London Heathrow
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($516 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 25, 2025.

This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1111:26 amPIA - LHR
1 stop18h 49mBritish Airways
Thu 5/87:30 pmLHR - PIA
2 stops27h 04mBritish Airways
Deal found 3/24$655
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 4/72:32 pmPIA - LHR
1 stop15h 13mUnited Airlines
Wed 4/308:40 amLHR - PIA
2 stops18h 53mUnited Airlines
Deal found 3/24$677
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/1011:26 amPIA - LHR
1 stop13h 54mAmerican Airlines
Wed 5/712:15 pmLHR - PIA
1 stop15h 41mAmerican Airlines
Deal found 3/24$703
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 5/810:50 amPIA - LHR
2 stops14h 05mMultiple Airlines
Thu 5/157:25 amLHR - PIA
2 stops15h 22mMultiple Airlines
Deal found 3/24$716
This Lufthansa deal was found by Cheapflights users on 3/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/85:21 pmPIA - LHR
2 stops16h 19mLufthansa
Mon 5/58:25 pmLHR - PIA
2 stops26h 22mLufthansa
Deal found 3/24$724

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 March 25, 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

Fri 4/11

11:26 am-12:15 pm

1 stop18h 49m

London Heathrow

Thu 5/8

7:30 pm-4:34 pm

2 stops27h 04m

$655

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 4/7

2:32 pm-11:45 am

1 stop15h 13m

London Heathrow

Wed 4/30

8:40 am-9:33 pm

2 stops18h 53m

$677

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 4/10

11:26 am-7:20 am

1 stop13h 54m

London Heathrow

Wed 5/7

12:15 pm-9:56 pm

1 stop15h 41m

$703

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 5/8

10:50 am-6:55 am

2 stops14h 05m

London Heathrow

Thu 5/15

7:25 am-4:47 pm

2 stops15h 22m

$716

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 4/8

5:21 pm-3:40 pm

2 stops16h 19m

London Heathrow

Mon 5/5

8:25 pm-4:47 pm

2 stops26h 22m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Cheapflights Insights

Everything you need to know about your flight from Peoria to London Heathrow Airport

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 25, 2025.
United Airlines
7.4
Good
8,605 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

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??
United Airlines
7.4
Good
8,605 reviews
United Airlines
7.4
Good
8,605 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,605 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

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??
Lufthansa
6.7
Okay
6,949 reviews
United Airlines
7.4
Good
8,605 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

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??
British Airways
6.6
Okay
6,712 reviews
United Airlines
7.4
Good
8,605 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

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. 2 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 $655 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $677 and $703 round-trip. British Airways is 35% 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 $1,115). 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
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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 2 airlines flying from Peoria to Heathrow

Discover the top 2 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$711Average$896FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$744Average$906FlexibilityNo cancel feeOn-time70%
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