HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$580+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 14, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 8/236:39 pm
PIA
-
LHR
2 stops16h 26m
Lufthansa
Tue 9/1510:50 am
LHR
-
PIA
2 stops16h 09m
Lufthansa
Deal found 6/9$926
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/2310:41 am
PIA
-
LHR
1 stop16h 19m
United Airlines
Tue 9/156:50 am
LHR
-
PIA
2 stops16h 08m
United Airlines
Deal found 6/11$935
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/1210:41 am
PIA
-
LHR
1 stop19h 14m
United Airlines
Wed 8/197:25 am
LHR
-
PIA
2 stops15h 36m
United Airlines
Deal found 6/9$936
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Wed 8/126:39 pm
PIA
-
LHR
2 stops16h 01m
Lufthansa
Wed 8/197:25 am
LHR
-
PIA
2 stops19h 34m
Lufthansa
Deal found 6/10$937
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/205:28 pm
PIA
-
LHR
1 stop11h 47m
American Airlines
Sun 9/273:00 pm
LHR
-
PIA
1 stop14h 54m
American Airlines
Deal found 6/10$944
This oojo deal was found by Cheapflights users on 6/9. 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.
Wed 8/126:48 pm
PIA
-
LHR
1 stop11h 27m
British Airways
Wed 8/193:15 pm
LHR
-
PIA
1 stop14h 44m
British Airways
Deal found 6/9$948
This oojo deal was found by Cheapflights users on 6/10. 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 8/236:48 pm
PIA
-
LHR
1 stop11h 27m
British Airways
Tue 9/1511:10 am
LHR
-
PIA
1 stop18h 58m
British Airways
Deal found 6/10$957
This deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:33 pm
PIA
-
LHR
1 stop12h 27m
United Airlines
Fri 8/2811:05 am
LHR
-
PIA
1 stop11h 56m
United Airlines
Deal found 6/12$965
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/35:05 am
PIA
-
LGW
2 stops19h 45m
American Airlines
Wed 8/1212:20 pm
LGW
-
PIA
2 stops17h 39m
American Airlines
Deal found 6/12$989
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:42 pm
PIA
-
LGW
1 stop32h 18m
Multiple Airlines
Wed 8/122:00 pm
LGW
-
PIA
2 stops35h 37m
Multiple Airlines
Deal found 6/12$1,027
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:35 pm
PIA
-
LCY
2 stops20h 20m
Lufthansa
Tue 9/89:15 am
LCY
-
PIA
2 stops19h 44m
Lufthansa
Deal found 6/14$1,042
This Ovago deal was found by Cheapflights users on 6/14. 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.
Sun 8/3010:41 am
PIA
-
LGW
2 stops15h 44m
SWISS
Tue 9/89:25 am
LGW
-
PIA
2 stops17h 34m
SWISS
Deal found 6/14$1,202

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$926
(Cheapflightsfares)

One-way from

$580
(United Airlines)
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

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 June 14, 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

Sun 8/23

6:39 pm-5:05 pm

2 stops16h 26m

London Heathrow

Tue 9/15

10:50 am-8:59 pm

2 stops16h 09m

$926

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

10:41 am-9:00 am

1 stop16h 19m

London Heathrow

Tue 9/15

6:50 am-4:58 pm

2 stops16h 08m

$935

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

5:45 am-6:45 am

1 stop19h 00m

London Heathrow

Wed 8/19

7:25 am-5:01 pm

2 stops15h 36m

$936
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 8/3

5:43 pm-11:55 am

1 stop12h 12m

London Heathrow

Wed 8/12

7:45 am-5:01 pm

2 stops15h 16m

$1,024

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 7/30

1:13 pm-6:45 am

1 stop11h 32m

London Heathrow

Thu 8/13

8:45 am-8:59 pm

2 stops18h 14m

$1,041

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 8/30

3:35 pm-5:55 pm

2 stops20h 20m

London City

Tue 9/8

9:15 am-10:59 pm

2 stops19h 44m

$1,042

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sun 8/30

10:41 am-8:25 am

2 stops15h 44m

London Gatwick

Tue 9/8

9:25 am-8:59 pm

2 stops17h 34m

$1,202

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 7/22

1:13 pm-5:55 pm

2 stops22h 42m

London City

Wed 7/29

6:30 pm-11:20 pm

2 stops34h 50m

$1,284

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 7/23

5:43 pm-5:55 pm

2 stops18h 12m

London City

Mon 8/3

6:30 pm-11:20 pm

2 stops34h 50m

$1,339

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 7/23

1:13 pm-5:55 pm

2 stops22h 42m

London City

Sun 8/9

6:30 pm-11:20 pm

2 stops34h 50m

$1,414

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 19 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 June.
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
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 June 14, 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
11,651 reviews

Entertainment

6.9

Overall

7.1

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

7.9

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
11,651 reviews
American Airlines
7.1
Good
11,651 reviews

Entertainment

6.9

Overall

7.1

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

7.9

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
8,047 reviews
American Airlines
7.1
Good
11,651 reviews

Entertainment

6.9

Overall

7.1

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

7.9

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 15h 44m. United Airlines provides one of the quickest options available for as low as $1,202. 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?

    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.

  • 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 Gatwick and Greater Peoria - London City.

  • 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$624Average$1,133FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$739Average$1,214FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.