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$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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Jul 4 — Jul 111
Sat 7/4
Sat 7/11
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 June 4, 2026.

This KAYAK deal was found by Cheapflights users on 5/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:20 pm
PIA
-
LHR
1 stop11h 35m
Lufthansa
Sun 11/86:50 am
LHR
-
PIA
2 stops15h 41m
Lufthansa
Deal found 5/31$915
This The Travel House deal was found by Cheapflights users on 6/3. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:13 pm
PIA
-
LHR
2 stops24h 27m
Lufthansa
Tue 8/256:55 am
LHR
-
PIA
2 stops20h 04m
Lufthansa
Deal found 6/3$927
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 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 9/157:25 am
LHR
-
PIA
2 stops19h 34m
Lufthansa
Deal found 6/3$928
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:33 pm
PIA
-
LHR
1 stop15h 22m
United Airlines
Fri 8/2810:50 am
LHR
-
PIA
2 stops16h 09m
United Airlines
Deal found 6/3$930
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:48 pm
PIA
-
LHR
1 stop32h 17m
British Airways
Thu 9/107:30 am
LHR
-
PIA
2 stops22h 38m
British Airways
Deal found 6/2$932
This KAYAK deal was found by Cheapflights users on 5/30. 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 8/236:39 pm
PIA
-
LHR
1 stop11h 16m
Multiple Airlines
Tue 9/156:50 am
LHR
-
PIA
2 stops16h 08m
Multiple Airlines
Deal found 5/30$935
This oojo deal was found by Cheapflights users on 5/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 pm
PIA
-
LHR
1 stop10h 55m
British Airways
Sun 11/811:00 am
LHR
-
PIA
1 stop12h 44m
British Airways
Deal found 5/31$936
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 8/1210:41 am
PIA
-
LHR
1 stop14h 04m
United Airlines
Wed 8/199:00 am
LHR
-
PIA
2 stops17h 59m
United Airlines
Deal found 6/2$937
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 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 6/3$939
This The Travel House deal was found by Cheapflights users on 6/3. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:13 pm
PIA
-
LCY
2 stops13h 27m
Lufthansa
Tue 8/259:15 am
LCY
-
PIA
2 stops17h 44m
Lufthansa
Deal found 6/3$1,189
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:39 pm
PIA
-
LCY
2 stops17h 16m
Lufthansa
Thu 9/109:15 am
LCY
-
PIA
2 stops19h 44m
Lufthansa
Deal found 6/2$1,398
This oojo deal was found by Cheapflights users on 6/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:50 am
PIA
-
LCY
2 stops21h 20m
British Airways
Tue 8/257:15 pm
LCY
-
PIA
2 stops29h 00m
British Airways
Deal found 6/3$1,856

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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$915
(KAYAK)

One-way from

$580
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$1,452
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. 24% potential increase in price ($363 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($117 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 4, 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

Mon 7/20

1:13 pm-9:20 am

2 stops14h 07m

London Heathrow

Fri 8/28

10:50 am-8:59 pm

2 stops16h 09m

$930
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:39 pm-11:55 am

1 stop11h 16m

London Heathrow

Tue 9/15

6:50 am-4:58 pm

2 stops16h 08m

$935

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

8:29 am-8:35 am

2 stops18h 06m

London Heathrow

Wed 8/19

7:25 am-5:01 pm

2 stops15h 36m

$937

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

3:35 pm-11:55 am

1 stop14h 20m

London Heathrow

Tue 9/15

7:25 am-4:58 pm

2 stops15h 33m

$937

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

6:39 pm-4:40 pm

2 stops16h 01m

London Heathrow

Wed 8/19

7:25 am-8:59 pm

2 stops19h 34m

$939

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 8/31

6:39 pm-6:30 am

2 stops29h 51m

London Heathrow

Thu 9/10

6:50 am-3:00 pm

2 stops14h 10m

$946

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 9/11

8:29 am-6:55 am

2 stops16h 26m

London Heathrow

Sun 9/20

6:50 am-8:59 pm

2 stops20h 09m

$971

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 7/22

1:13 pm-8:40 am

2 stops13h 27m

London City

Tue 8/25

9:15 am-8:59 pm

2 stops17h 44m

$1,189

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Mon 8/31

6:39 pm-5:55 pm

2 stops17h 16m

London City

Thu 9/10

9:15 am-10:59 pm

2 stops19h 44m

$1,398

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 7/22

9:50 am-1:10 pm

2 stops21h 20m

London City

Tue 8/25

7:15 pm-6:15 pm

2 stops29h 00m

$1,868

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 24 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 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

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 June 4, 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

Comfort

7.2

Crew

7.9

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.1

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

Comfort

7.2

Crew

7.9

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.1

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
8,026 reviews
American Airlines
7.1
Good
11,642 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.1

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 13h 27m. United Airlines provides one of the quickest options available for as low as $1,189. 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 44% 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 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

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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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$624Average$1,074FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$739Average$1,000FlexibilityNo cancel feeOn-time69%

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