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$328+ 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
May 23 — May 301
Sat 5/23
Sat 5/30
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 April 23, 2026.

This FlightHub deal was found by Cheapflights users on 4/19. 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 8/236:30 pm
PIA
-
LHR
1 stop10h 00m
British Airways
Tue 9/156:15 am
LHR
-
PIA
2 stops22h 48m
British Airways
Deal found 4/19$886
This FlightHub deal was found by Cheapflights users on 4/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 pm
PIA
-
LHR
1 stop11h 45m
Multiple Airlines
Tue 9/157:25 pm
LHR
-
PIA
2 stops28h 15m
Multiple Airlines
Deal found 4/20$890
This Finnair deal was found by Cheapflights users on 4/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:20 pm
PIA
-
LHR
1 stop16h 35m
Multiple Airlines
Wed 8/1912:55 pm
LHR
-
PIA
1 stop16h 24m
Multiple Airlines
Deal found 4/20$897
This Justfly.com deal was found by Cheapflights users on 4/22. 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.
Wed 8/126:30 pm
PIA
-
LHR
1 stop11h 45m
British Airways
Wed 8/197:10 pm
LHR
-
PIA
2 stops28h 39m
British Airways
Deal found 4/22$956
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 8/235:31 pm
PIA
-
LHR
2 stops20h 09m
Lufthansa
Tue 9/151:30 pm
LHR
-
PIA
2 stops15h 22m
Lufthansa
Deal found 4/20$1,009
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 6/149:34 pm
PIA
-
LGW
2 stops31h 21m
Multiple Airlines
Sun 6/282:00 pm
LGW
-
PIA
1 stop34h 54m
Multiple Airlines
Deal found 4/21$1,348
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 8/18:46 pm
PIA
-
LGW
2 stops56h 09m
Multiple Airlines
Sun 8/92:00 pm
LGW
-
PIA
1 stop24h 14m
Multiple Airlines
Deal found 4/21$1,387
This American Airlines deal was found by Cheapflights users on 4/21. 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 8/15:05 am
PIA
-
LGW
2 stops19h 45m
American Airlines
Sun 8/92:30 pm
LGW
-
PIA
2 stops27h 20m
American Airlines
Deal found 4/21$1,569
This Expedia deal was found by Cheapflights users on 4/18. 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.
Tue 6/25:33 pm
PIA
-
LCY
2 stops42h 22m
Lufthansa
Tue 6/96:30 pm
LCY
-
PIA
2 stops28h 28m
Lufthansa
Deal found 4/18$1,599
This oojo deal was found by Cheapflights users on 4/21. 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 8/15:33 pm
PIA
-
LCY
2 stops42h 22m
Lufthansa
Sun 8/96:30 pm
LCY
-
PIA
2 stops28h 28m
Lufthansa
Deal found 4/21$1,728
This oojo deal was found by Cheapflights users on 4/22. 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.
Sun 6/75:33 pm
PIA
-
LCY
2 stops18h 22m
Lufthansa
Sun 6/216:30 pm
LCY
-
PIA
2 stops28h 28m
Lufthansa
Deal found 4/22$1,759
This oojo deal was found by Cheapflights users on 4/22. 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.
Thu 6/258:20 pm
PIA
-
LCY
2 stops15h 35m
Lufthansa
Sun 7/126:30 pm
LCY
-
PIA
2 stops28h 28m
Lufthansa
Deal found 4/22$1,829

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(FlightHub)

One-way from

$328
(oojo)

Popular in

December

Cheapest in

September

Average price

$819
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. 25% potential increase in price ($382 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 April 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 April 23, 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

12:20 pm-10:55 am

1 stop16h 35m

London Heathrow

Wed 8/19

12:55 pm-11:19 pm

1 stop16h 24m

$897

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:30 pm-1:15 pm

2 stops36h 45m

London Heathrow

Tue 9/15

6:15 am-11:03 pm

2 stops22h 48m

$923

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

10:06 am-9:55 pm

2 stops29h 49m

London Heathrow

Wed 8/19

8:00 pm-5:49 pm

2 stops27h 49m

$980

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

5:45 am-10:00 am

2 stops22h 15m

London Heathrow

Wed 8/19

8:40 am-7:25 pm

2 stops16h 45m

$1,014
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 8/27

1:21 pm-8:30 am

1 stop13h 09m

London Heathrow

Sun 8/30

2:05 pm-10:52 pm

2 stops14h 47m

$1,143

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 7/26

9:48 am-6:50 am

1 stop15h 02m

London Heathrow

Thu 7/30

3:15 pm-11:59 pm

1 stop14h 44m

$1,145

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 5/5

1:35 pm-10:00 am

2 stops14h 25m

London Heathrow

Tue 5/12

8:45 am-6:59 pm

2 stops16h 14m

$1,210

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 6/2

2:39 pm-11:55 am

1 stop15h 16m

London Heathrow

Tue 6/9

6:50 am-7:26 pm

2 stops18h 36m

$1,303

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 8/1

5:33 pm-9:00 am

1 stop33h 27m

London Heathrow

Sun 8/9

12:10 pm-7:06 pm

2 stops36h 56m

$1,338

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sun 6/14

9:34 pm-10:55 am

2 stops31h 21m

London Gatwick

Sun 6/28

2:00 pm-6:54 pm

1 stop34h 54m

$1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

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 April.
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 April 23, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andBritish 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.
United Airlines
7.4
Good
9,635 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,635 reviews
United Airlines
7.4
Good
9,635 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,655 reviews
United Airlines
7.4
Good
9,635 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,906 reviews
United Airlines
7.4
Good
9,635 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

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

    A quick flight from Peoria, Illinois to London can take about 19h 44m. British Airways provides one of the quickest options available for as low as $1,299. Airlines will cover a distance of 4090 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?

    British Airways, at $588, 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 46% 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 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$588Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$1,159FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$749Average$887FlexibilityNo cancel feeOn-time71%

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