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$319+ Cheap flights from Peoria, IL (PIA) to London (LON)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Peoria to London

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to London (LON). 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 August 16, 2025.

Round-trip from

$817
(oojo)

One-way from

$319
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,000
From Greater Peoria to London (LON)
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One-way flight from Greater Peoria to London (LON)
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Highest demand for flights based on searches. 16% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Peoria to London

Cheapest flights from Peoria to London
Explore the most affordable flight options available from Peoria to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Ovago deal was found by Cheapflights users on 8/15. 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.
Tue 9/306:15 pmPIA - LHR
1 stop10h 50mBritish Airways
Tue 10/711:05 amLHR - PIA
1 stop14h 35mBritish Airways
Deal found 8/15$746
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/308:10 amPIA - LHR
2 stops19h 25mUnited Airlines
Tue 10/72:05 pmLHR - PIA
2 stops32h 38mUnited Airlines
Deal found 8/15$828
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/293:56 pmPIA - LHR
1 stop13h 49mUnited Airlines
Mon 10/65:50 pmLHR - PIA
2 stops28h 53mUnited Airlines
Deal found 8/15$854
This Ovago deal was found by Cheapflights users on 8/14. 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.
Tue 8/196:39 pmPIA - LHR
1 stop10h 26mBritish Airways
Tue 8/267:25 pmLHR - PIA
2 stops28h 44mBritish Airways
Deal found 8/14$881
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/106:00 amPIA - LHR
1 stop18h 20mUnited Airlines
Sat 10/183:50 pmLHR - PIA
2 stops30h 53mUnited Airlines
Deal found 8/15$885
This Ovago deal was found by Cheapflights users on 8/15. 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.
Fri 10/1010:48 amPIA - LHR
2 stops15h 52mLufthansa
Sat 10/186:30 amLHR - PIA
2 stops16h 13mLufthansa
Deal found 8/15$919
This Ovago deal was found by Cheapflights users on 8/14. 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.
Wed 8/206:39 pmPIA - LHR
1 stop9h 51mBritish Airways
Mon 8/259:15 amLHR - PIA
1 stop20h 07mBritish Airways
Deal found 8/14$945
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/2710:48 amPIA - LCY
2 stops25h 42mMultiple Airlines
Sat 10/49:20 amLCY - PIA
2 stops37h 23mMultiple Airlines
Deal found 8/13$968
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 9/276:15 pmPIA - LGW
2 stops44h 10mBritish Airways
Sat 10/48:40 pmLGW - PIA
2 stops27h 15mBritish Airways
Deal found 8/13$1,639

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to London 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 August 16, 2025.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Peoria

Fly to

London

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 9/30

6:15 pm-11:05 am

1 stop10h 50m

London Heathrow

Tue 10/7

11:05 am-7:40 pm

1 stop14h 35m

$746

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 9/30

8:10 am-9:35 am

2 stops19h 25m

London Heathrow

Tue 10/7

2:05 pm-4:43 pm

2 stops32h 38m

$828

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 10/10

6:00 am-6:20 am

1 stop18h 20m

London Heathrow

Sat 10/18

3:50 pm-4:43 pm

2 stops30h 53m

$885

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 9/29

10:48 am-6:55 am

2 stops14h 07m

London Heathrow

Mon 10/6

6:50 am-4:43 pm

2 stops15h 53m

$895

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 10/10

10:48 am-8:40 am

2 stops15h 52m

London Heathrow

Sat 10/18

6:30 am-4:43 pm

2 stops16h 13m

$919

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sat 9/27

10:48 am-6:30 pm

2 stops25h 42m

London City

Sat 10/4

9:20 am-4:43 pm

2 stops37h 23m

$968

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 12/27

1:20 pm-7:10 am

2 stops11h 50m

London Heathrow

Sat 1/3

1:25 pm-2:08 pm

2 stops30h 43m

$1,162

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sat 9/27

6:15 pm-8:25 pm

2 stops44h 10m

London Gatwick

Sat 10/4

8:40 pm-5:55 pm

2 stops27h 15m

$1,639

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 10/23

8:10 pm-12:15 pm

1 stop10h 05m

London Heathrow

Tue 10/28

3:45 pm-7:40 pm

1 stop32h 55m

$1,854

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 10/31

10:16 pm-10:05 am

3 stops54h 49m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from Peoria to London

Have a flexible travel schedule? Discover the best time to fly to London 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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated August 16, 2025.
Peruse reviews from past customers who have flown with American Airlines and British Airways from Peoria to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Food

6.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Food

6.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
British Airways
6.7
Okay
7,267 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Food

6.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Related info for your journey

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

    Located just 6.0 mi from the city center, Greater Peoria is the airport most travelers will use when flying to London from Peoria. Booking flights from Greater Peoria (PIA) to London should be relatively easy as there are 0 daily outbound flights to London from 3 different airlines.

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

    British Airways, at $729, was found to be the cheapest airline from Peoria, Illinois to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 18% lower than the current average price 3 months from now.

  • What are the most popular routes from Peoria, Illinois to London?

    The most popular flight routes from Peoria, Illinois to London are Greater Peoria - London Heathrow, Greater Peoria - London City and Greater Peoria - London Gatwick.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to London 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?

    Currently, November is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of $661). Flying from Peoria, Illinois to London in June is currently the most expensive (average of $1,097). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
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Harrow
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Dartford
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Orpington
Watford
Gatwick
Borehamwood
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Southend-on-Sea
Folkestone
Chichester
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Eastbourne
Milton Keynes
Sutton

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Alternative routes for Peoria to London

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 London

Discover the top 3 airlines that operate flights from Peoria to London. 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$887FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$885FlexibilityNo cancel feeOn-time71%

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