$359+ Cheap flights from Peoria, IL (PIA) to London (LON)
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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Peoria to LondonExplore 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 November 5, 2026.
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 November 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/298:15 am -
1 stop17h 40m
Tue 12/89:00 am -
2 stops18h 00m
Deal found 10/31![United Airlines logo]()
$987
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/28:00 am -
1 stop15h 55m
Sun 3/216:50 am -
2 stops17h 10m
Deal found 11/1![United Airlines logo]()
$1,049
This lastminute.com deal was found by Cheapflights users on 11/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
2 stops19h 00m
Sun 3/218:15 pm -
2 stops49h 35m
Deal found 11/1![Lufthansa logo]()
$1,061
This Flysmarter deal was found by Cheapflights users on 11/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:00 am -
1 stop15h 55m
Sun 3/216:50 am -
2 stops15h 00m
Deal found 11/1![Air Canada logo]()
$1,068
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/26:04 pm -
1 stop11h 31m
Sun 3/2111:15 am -
1 stop17h 51m
Deal found 11/1![American Airlines logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/168:00 am -
1 stop15h 55m
Wed 12/237:40 am -
1 stop12h 18m
Deal found 11/1![United Airlines logo]()
$1,145
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/295:43 pm -
2 stops13h 42m
Tue 12/88:50 am -
2 stops14h 37m
Deal found 10/31![American Airlines logo]()
$1,220
Best flights from Peoria to LondonDiscover carefully curated flight deals from Peoria to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Peoria to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/1. 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 3/15:47 pm -
1 stop12h 13m
Wed 3/39:00 am -
2 stops19h 58m
Deal found 11/1![United Airlines logo]()
$807
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1710:56 am -
2 stops16h 34m
Tue 3/231:00 pm -
2 stops15h 13m
Deal found 11/3![Multiple Airlines logo]()
$985
This United Airlines deal was found by Cheapflights users on 11/2. 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 3/222:35 pm -
1 stop16h 25m
Tue 3/308:45 am -
2 stops20h 13m
Deal found 11/2![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/298:15 am -
1 stop17h 40m
Tue 12/89:00 am -
2 stops18h 00m
Deal found 10/31![United Airlines logo]()
$987
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/26:30 am -
2 stops18h 40m
Sun 3/216:50 am -
2 stops15h 00m
Deal found 11/1![United Airlines logo]()
$1,052
Last-minute flights from Peoria to LondonDiscover last-minute flight deals from Peoria to London. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to London. Data last updated November 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/298:15 am -
1 stop17h 40m
Tue 12/89:00 am -
2 stops18h 00m
Deal found 10/31![United Airlines logo]()
$987
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/295:43 pm -
2 stops13h 42m
Tue 12/88:50 am -
2 stops14h 37m
Deal found 10/31![American Airlines logo]()
$1,220
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/28:00 am -
1 stop15h 55m
Sun 3/216:50 am -
2 stops17h 10m
Deal found 11/1![United Airlines logo]()
$1,049
This lastminute.com deal was found by Cheapflights users on 11/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
2 stops19h 00m
Sun 3/218:15 pm -
2 stops49h 35m
Deal found 11/1![Lufthansa logo]()
$1,061
This Flysmarter deal was found by Cheapflights users on 11/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:00 am -
1 stop15h 55m
Sun 3/216:50 am -
2 stops15h 00m
Deal found 11/1![Air Canada logo]()
$1,068
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/26:04 pm -
1 stop11h 31m
Sun 3/2111:15 am -
1 stop17h 51m
Deal found 11/1![American Airlines logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/168:00 am -
1 stop15h 55m
Wed 12/237:40 am -
1 stop12h 18m
Deal found 11/1![United Airlines logo]()
$1,145
One-way flights from Peoria to LondonSearch for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This British Airways deal was found by Cheapflights users on 11/4. 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 3/222:33 pm -
1 stop11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![British Airways logo]()
$359
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2210:56 am -
2 stops15h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$3,342
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $807 (United Airlines) |
One-way from | $359 (British Airways) |
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 7,457,451 searches. Data last updated November 5, 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
Cheapest round-trip
Quickest round-trip
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 3/22
2:33 pm-6:55 am
1 stop11h 22m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$359
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 3/1
5:47 pm-12:00 pm
1 stop12h 13m
London Heathrow
Wed 3/3
9:00 am-10:58 pm
2 stops19h 58m
$807
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 3/22
2:35 pm-12:00 pm
1 stop16h 25m
London Heathrow
Tue 3/30
8:45 am-10:58 pm
2 stops20h 13m
$936
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Wed 3/17
10:56 am-8:30 am
2 stops16h 34m
London Heathrow
Tue 3/23
1:00 pm-11:13 pm
2 stops15h 13m
$985
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sun 11/29
8:15 am-7:55 am
1 stop17h 40m
London Heathrow
Tue 12/8
9:00 am-9:00 pm
2 stops18h 00m
$987
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Wed 12/2
6:30 am-7:10 am
2 stops18h 40m
London Heathrow
Sun 3/21
6:50 am-4:50 pm
2 stops15h 00m
$1,052
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 3/22
10:56 am-7:10 am
2 stops15h 14m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$3,342
Sorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PIA-LON
PIA-LHR
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
PIA-LON
PIA-LHR
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 November 5, 2026.
Peruse reviews from past customers who have flown with American Airlines 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.
Crew
7.9
Food
6.4
Overall
7.0
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Crew
7.9
Food
6.4
Overall
7.0
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
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.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford
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Top airline flying from Peoria to London
Discover the top airline 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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$1,236 | FlexibilityNo cancel fee | On-time71% |