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$330+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 July 30, 2026.

This TravelUp deal was found by Cheapflights users on 7/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:48 pm
PIA
-
LHR
1 stop11h 27m
British Airways
Tue 9/152:25 pm
LHR
-
PIA
1 stop15h 43m
British Airways
Deal found 7/25$919
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/86:39 pm
PIA
-
LHR
1 stop11h 16m
United Airlines
Tue 9/156:50 am
LHR
-
PIA
2 stops16h 08m
United Airlines
Deal found 7/25$924
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/233:35 pm
PIA
-
LHR
1 stop14h 20m
United Airlines
Tue 9/156:50 am
LHR
-
PIA
2 stops20h 09m
United Airlines
Deal found 7/26$935
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/263:35 pm
PIA
-
LHR
2 stops12h 40m
United Airlines
Wed 9/26:50 am
LHR
-
PIA
2 stops14h 07m
United Airlines
Deal found 7/28$942
This British Airways deal was found by Cheapflights users on 7/26. 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.
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 7/26$964
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/910:32 am
PIA
-
LHR
1 stop15h 58m
United Airlines
Sat 9/196:50 am
LHR
-
PIA
2 stops16h 08m
United Airlines
Deal found 7/28$985
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/248:30 am
PIA
-
LHR
2 stops16h 45m
United Airlines
Tue 9/296:50 am
LHR
-
PIA
2 stops18h 11m
United Airlines
Deal found 7/27$989
This United Airlines deal was found by Cheapflights users on 7/29. 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 10/48:30 am
PIA
-
LHR
1 stop21h 25m
United Airlines
Sat 10/1011:05 am
LHR
-
PIA
2 stops34h 01m
United Airlines
Deal found 7/29$997
This oojo deal was found by Cheapflights users on 7/28. 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.
Tue 9/86:48 pm
PIA
-
LCY
2 stops32h 22m
British Airways
Tue 9/157:15 pm
LCY
-
PIA
2 stops34h 53m
British Airways
Deal found 7/28$1,007
This FlightHub deal was found by Cheapflights users on 7/27. 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 9/245:28 pm
PIA
-
LGW
2 stops20h 32m
British Airways
Tue 9/298:40 pm
LGW
-
PIA
2 stops33h 28m
British Airways
Deal found 7/27$1,037
This oojo deal was found by Cheapflights users on 7/28. 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.
Mon 9/73:35 pm
PIA
-
LCY
2 stops20h 20m
Lufthansa
Sun 9/136:30 pm
LCY
-
PIA
2 stops32h 29m
Lufthansa
Deal found 7/28$1,041
This Expedia deal was found by Cheapflights users on 7/28. 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.
Wed 9/96:39 pm
PIA
-
LCY
2 stops17h 16m
Lufthansa
Sun 9/206:30 pm
LCY
-
PIA
2 stops34h 43m
Lufthansa
Deal found 7/28$1,127

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$919
(TravelUp)

One-way from

$330
(British Airways)
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 July 30, 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

Tue 9/8

6:39 pm-11:55 am

1 stop11h 16m

London Heathrow

Tue 9/15

6:50 am-4:58 pm

2 stops16h 08m

$924

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

3:35 pm-11:55 am

1 stop14h 20m

London Heathrow

Tue 9/15

6:50 am-8:59 pm

2 stops20h 09m

$935
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/26

3:35 pm-10:15 am

2 stops12h 40m

London Heathrow

Wed 9/2

6:50 am-2:57 pm

2 stops14h 07m

$942

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:48 pm-12:15 pm

1 stop11h 27m

London Heathrow

Tue 9/15

11:10 am-12:08 am

1 stop18h 58m

$964

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 9/24

8:30 am-6:45 am

1 stop16h 15m

London Heathrow

Tue 9/29

6:50 am-7:01 pm

2 stops18h 11m

$985

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 9/7

3:35 pm-8:30 am

1 stop10h 55m

London Heathrow

Sun 9/13

6:50 am-5:41 pm

2 stops16h 51m

$985

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 9/9

10:32 am-8:30 am

1 stop15h 58m

London Heathrow

Sat 9/19

6:50 am-4:58 pm

2 stops16h 08m

$985

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 9/9

5:50 am-8:30 am

1 stop20h 40m

London Heathrow

Sun 9/20

6:50 am-5:41 pm

2 stops16h 51m

$985

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 10/4

8:30 am-11:55 am

1 stop21h 25m

London Heathrow

Sat 10/10

11:05 am-3:06 pm

2 stops34h 01m

$997

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Tue 9/8

6:48 pm-9:10 am

2 stops32h 22m

London City

Tue 9/15

7:15 pm-12:08 am

2 stops34h 53m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 27 resultsSorted by cheapest first
1
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 July.
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 July 30, 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
11,842 reviews

Food

6.4

Entertainment

6.8

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.1
Good
11,842 reviews
American Airlines
7.1
Good
11,842 reviews

Food

6.4

Entertainment

6.8

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
British Airways
6.7
Okay
8,127 reviews
American Airlines
7.1
Good
11,842 reviews

Food

6.4

Entertainment

6.8

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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 11h 16m. United Airlines provides one of the quickest options available for as low as $924. Airlines will cover a distance of 4069 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
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Dorking
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Gatwick
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Browse thousands of different options on Cheapflights for your next trip

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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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$624Average$1,236FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$739Average$1,214FlexibilityNo cancel feeOn-time69%

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