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$321+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap 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 May 21, 2026.

This FlightHub deal was found by Cheapflights users on 5/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:45 pm
PIA
-
LHR
1 stop11h 30m
British Airways
Tue 9/156:15 am
LHR
-
PIA
2 stops22h 48m
British Airways
Deal found 5/19$881
This Gotogate deal was found by Cheapflights users on 5/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:45 pm
PIA
-
LHR
1 stop11h 30m
Multiple Airlines
Fri 9/186:15 am
LHR
-
PIA
2 stops22h 48m
Multiple Airlines
Deal found 5/15$905
This Booking.com deal was found by Cheapflights users on 5/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 pm
PIA
-
LHR
1 stop10h 30m
Multiple Airlines
Mon 9/147:25 pm
LHR
-
PIA
2 stops33h 38m
Multiple Airlines
Deal found 5/18$953
This Booking.com deal was found by Cheapflights users on 5/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:33 pm
PIA
-
LHR
1 stop10h 42m
British Airways
Mon 9/217:25 pm
LHR
-
PIA
2 stops33h 38m
British Airways
Deal found 5/18$954
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Wed 8/125:45 am
PIA
-
LHR
1 stop19h 00m
United Airlines
Wed 8/192:05 pm
LHR
-
PIA
2 stops26h 01m
United Airlines
Deal found 5/20$957
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:39 pm
PIA
-
LCY
2 stops17h 16m
Lufthansa
Mon 9/216:30 pm
LCY
-
PIA
2 stops32h 29m
Lufthansa
Deal found 5/18$1,071
This British Airways deal was found by Cheapflights users on 5/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 pm
PIA
-
LCY
2 stops37h 35m
British Airways
Fri 11/137:50 am
LCY
-
PIA
2 stops15h 54m
British Airways
Deal found 5/18$1,104
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:39 pm
PIA
-
LCY
2 stops17h 16m
Lufthansa
Mon 9/146:30 pm
LCY
-
PIA
2 stops34h 29m
Lufthansa
Deal found 5/18$1,152
This KAYAK deal was found by Cheapflights users on 5/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/261:13 pm
PIA
-
LCY
2 stops13h 22m
Aer Lingus
Thu 7/301:45 pm
LCY
-
PIA
2 stops16h 37m
Aer Lingus
Deal found 5/17$2,007
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:45 pm
PIA
-
LCY
2 stops19h 10m
Lufthansa
Sun 6/216:30 pm
LCY
-
PIA
2 stops27h 09m
Lufthansa
Deal found 5/20$2,011
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:13 pm
PIA
-
LGW
2 stops18h 47m
British Airways
Thu 7/308:40 pm
LGW
-
PIA
2 stops27h 48m
British Airways
Deal found 5/17$2,395
This FlightHub deal was found by Cheapflights users on 5/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 pm
PIA
-
LGW
2 stops19h 15m
British Airways
Mon 9/1411:30 am
LGW
-
PIA
2 stops41h 33m
British Airways
Deal found 5/18$2,442

Find 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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$881
(FlightHub)

One-way from

$321
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,162
Provider with most accurate pricing for Greater Peoria-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-London (LON) flights.
Search Deals
From Greater Peoria to London (LON)
Search Deals
One-way flight from Greater Peoria to London (LON)
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($385 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($119 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 21, 2026.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

5:45 am-6:45 am

1 stop19h 00m

London Heathrow

Wed 8/19

2:05 pm-10:06 am

2 stops26h 01m

$957

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

10:41 am-6:55 am

2 stops14h 14m

London Heathrow

Tue 9/15

7:25 am-4:56 pm

2 stops15h 31m

$1,003

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 9/10

6:39 pm-5:55 pm

2 stops17h 16m

London City

Mon 9/21

6:30 pm-8:59 pm

2 stops32h 29m

$1,071

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Mon 11/9

6:30 pm-2:05 pm

2 stops37h 35m

London City

Fri 11/13

7:50 am-5:44 pm

2 stops15h 54m

$1,104

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 7/5

1:13 pm-9:00 am

1 stop13h 47m

London Heathrow

Tue 7/14

6:50 am-4:58 pm

2 stops16h 08m

$1,253

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 7/4

5:43 pm-6:45 am

1 stop31h 02m

London Heathrow

Sat 7/11

8:45 am-4:58 pm

2 stops38h 13m

$1,344

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 7/3

5:43 pm-3:40 pm

2 stops15h 57m

London Heathrow

Sat 7/11

6:30 am-4:58 pm

2 stops16h 28m

$1,383

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 7/3

6:30 am-6:45 am

1 stop18h 15m

London Heathrow

Sat 7/11

12:10 pm-4:58 pm

2 stops34h 48m

$1,399

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 7/17

6:30 am-7:55 am

2 stops19h 25m

London Heathrow

Sat 7/25

11:05 am-4:58 pm

1 stop11h 53m

$1,431

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 5/30

5:33 pm-9:00 am

1 stop33h 27m

London Heathrow

Fri 6/12

6:50 am-7:26 pm

2 stops18h 36m

$1,464

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Peoria to London

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 London in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-London 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 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 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

How much does it cost to fly round-trip from Peoria, Illinois to London?

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 May 21, 2026.
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
7.1
Good
11,642 reviews

Crew

7.9

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
American Airlines
7.1
Good
11,642 reviews
American Airlines
7.1
Good
11,642 reviews

Crew

7.9

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
British Airways
6.7
Okay
7,991 reviews
American Airlines
7.1
Good
11,642 reviews

Crew

7.9

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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 2 different airlines.

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

    A quick flight from Peoria, Illinois to London can take about 17h 16m. United Airlines provides one of the quickest options available for as low as $1,071. Airlines will cover a distance of 4087 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $624, was found to be the cheapest airline from Peoria, Illinois to London. An alternate airline flying to your destination would be United Airlines. These flights start at 43% 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.

See more FAQs

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Top 2 airlines flying from Peoria to London

Discover the top 2 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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$624Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$739Average$1,000FlexibilityNo cancel feeOn-time69%

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