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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
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
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 May 9, 2026.

This Justfly.com deal was found by Cheapflights users on 5/6. 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.
Sun 8/236:45 pm
PIA
-
LHR
1 stop11h 30m
British Airways
Tue 9/156:15 am
LHR
-
PIA
2 stops22h 48m
British Airways
Deal found 5/6$884
This oojo deal was found by Cheapflights users on 5/6. 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 8/126:45 pm
PIA
-
LHR
1 stop10h 30m
British Airways
Wed 8/193:15 pm
LHR
-
PIA
1 stop14h 51m
British Airways
Deal found 5/6$892
This Justfly.com deal was found by Cheapflights users on 5/5. 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.
Sun 11/296:30 pm
PIA
-
LHR
1 stop11h 05m
British Airways
Thu 12/1011:00 am
LHR
-
PIA
1 stop12h 49m
British Airways
Deal found 5/5$913
This FlightHub deal was found by Cheapflights users on 5/5. 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 11/110:06 am
PIA
-
LHR
2 stops28h 39m
Multiple Airlines
Wed 11/1111:00 am
LHR
-
PIA
1 stop12h 44m
Multiple Airlines
Deal found 5/5$924
This Priceline deal was found by Cheapflights users on 5/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:30 pm
PIA
-
LHR
2 stops16h 45m
British Airways
Wed 12/92:10 pm
LHR
-
PIA
1 stop33h 39m
British Airways
Deal found 5/5$939
This FlightHub deal was found by Cheapflights users on 5/5. 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 11/2910:06 am
PIA
-
LHR
1 stop14h 49m
Multiple Airlines
Thu 12/107:30 am
LHR
-
PIA
2 stops16h 19m
Multiple Airlines
Deal found 5/5$950
This Booking.com deal was found by Cheapflights users on 5/5. 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.
Sat 10/106:30 pm
PIA
-
LHR
1 stop31h 10m
Multiple Airlines
Sat 10/176:15 am
LHR
-
PIA
2 stops22h 51m
Multiple Airlines
Deal found 5/5$962
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 11/11:20 pm
PIA
-
LCY
2 stops13h 55m
Lufthansa
Wed 11/119:50 am
LCY
-
PIA
2 stops20h 29m
Lufthansa
Deal found 5/5$1,039
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 11/308:25 pm
PIA
-
LCY
2 stops15h 15m
Lufthansa
Wed 12/99:50 am
LCY
-
PIA
2 stops20h 29m
Lufthansa
Deal found 5/5$1,133
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 6/22:14 pm
PIA
-
LGW
2 stops37h 46m
Multiple Airlines
Tue 6/92:00 pm
LGW
-
PIA
1 stop26h 00m
Multiple Airlines
Deal found 5/5$1,229
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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 7/265:43 pm
PIA
-
LCY
2 stops18h 12m
Lufthansa
Thu 7/309:15 am
LCY
-
PIA
2 stops20h 05m
Lufthansa
Deal found 5/8$1,283
This KAYAK deal was found by Cheapflights users on 5/5. 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.
Tue 12/11:20 pm
PIA
-
LCY
2 stops13h 15m
Aer Lingus
Wed 12/96:50 am
LCY
-
PIA
2 stops16h 59m
Aer Lingus
Deal found 5/5$1,476

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$884
(Justfly.com)

One-way from

$328
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,162
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 May 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 May 9, 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

10:41 am-6:55 am

2 stops14h 14m

London Heathrow

Wed 8/19

6:50 am-10:43 pm

2 stops21h 53m

$1,015

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 11/1

1:20 pm-9:15 am

2 stops13h 55m

London City

Wed 11/11

9:50 am-12:19 am

2 stops20h 29m

$1,039

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Tue 6/2

2:14 pm-10:00 am

2 stops37h 46m

London Gatwick

Tue 6/9

2:00 pm-10:00 am

1 stop26h 00m

$1,229

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 7/26

5:43 pm-5:55 pm

2 stops18h 12m

London City

Thu 7/30

9:15 am-11:20 pm

2 stops20h 05m

$1,283
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 7/26

1:13 pm-10:00 am

2 stops14h 47m

London Heathrow

Thu 7/30

8:00 am-1:57 pm

1 stop11h 57m

$1,295

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 6/2

8:20 am-6:45 am

1 stop16h 25m

London Heathrow

Tue 6/9

8:00 am-1:57 pm

1 stop11h 57m

$1,333

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 7/14

1:13 pm-6:45 am

1 stop11h 32m

London Heathrow

Sun 7/19

6:50 am-11:20 pm

2 stops22h 30m

$1,374

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 6/8

8:20 am-6:45 am

1 stop16h 25m

London Heathrow

Sun 6/14

5:50 pm-7:26 pm

2 stops31h 36m

$1,377

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Tue 6/2

1:13 pm-8:40 am

2 stops13h 27m

London City

Tue 6/9

9:15 am-11:20 pm

2 stops20h 05m

$1,514

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 6/7

6:30 am-9:00 am

1 stop20h 30m

London Heathrow

Sun 6/21

6:50 am-4:57 pm

2 stops16h 07m

$1,584

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 31 resultsSorted by cheapest first
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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 May.
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 May 9, 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
9,693 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

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
9,693 reviews
United Airlines
7.4
Good
9,693 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

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
11,670 reviews
United Airlines
7.4
Good
9,693 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

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
7,954 reviews
United Airlines
7.4
Good
9,693 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

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 13h 55m. United Airlines provides one of the quickest options available for as low as $1,039. 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?

    British Airways, at $588, was found to be the cheapest airline from Peoria, Illinois to London.Alternate airlines to your destination round-trip include American Airlines and United 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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$588Average$887FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$624Average$887FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$739Average$1,214FlexibilityNo cancel feeOn-time69%

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