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$414+ 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
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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Cheap 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 January 19, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$601
(Cheapflightsfares)

One-way from

$414
(United Airlines)

Popular in

December

Cheapest in

September
Provider with most accurate pricing for Greater Peoria-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-London (LON) flights.
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From Greater Peoria to London (LON)
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One-way flight from Greater Peoria to London (LON)
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Highest demand for flights based on searches. 28% potential increase in price ($428 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($124 potential savings vs. average RT price).
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Find 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 January 19, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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 4/11:17 pm
PIA
-
LHR
1 stop12h 23m
British Airways
Wed 4/86:15 am
LHR
-
PIA
2 stops23h 17m
British Airways
Deal found 1/16$601
This British Airways deal was found by Cheapflights users on 1/18. 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.
Sat 4/256:54 pm
PIA
-
LHR
1 stop32h 11m
British Airways
Wed 5/136:15 am
LHR
-
PIA
2 stops23h 17m
British Airways
Deal found 1/18$604
This oojo deal was found by Cheapflights users on 1/18. 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 4/276:54 pm
PIA
-
LHR
2 stops21h 21m
British Airways
Wed 5/135:10 pm
LHR
-
PIA
2 stops31h 14m
British Airways
Deal found 1/18$608
This British Airways deal was found by Cheapflights users on 1/18. 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.
Sat 4/256:54 pm
PIA
-
LHR
1 stop32h 11m
British Airways
Mon 5/114:30 pm
LHR
-
PIA
2 stops37h 02m
British Airways
Deal found 1/18$615
This Cheapflightsfares deal was found by Cheapflights users on 1/19. 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 2/252:59 pm
PIA
-
LHR
2 stops15h 06m
British Airways
Fri 3/612:35 pm
LHR
-
PIA
1 stop11h 50m
British Airways
Deal found 1/19$617
This British Airways deal was found by Cheapflights users on 1/18. 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 4/261:30 pm
PIA
-
LHR
2 stops26h 20m
British Airways
Wed 5/136:15 am
LHR
-
PIA
2 stops23h 17m
British Airways
Deal found 1/18$618
This British Airways deal was found by Cheapflights users on 1/18. 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.
Sat 4/256:54 pm
PIA
-
LHR
1 stop29h 56m
British Airways
Fri 5/159:45 am
LHR
-
PIA
1 stop14h 39m
British Airways
Deal found 1/18$624
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/46:35 am
PIA
-
LHR
1 stop19h 20m
United Airlines
Wed 3/116:50 am
LHR
-
PIA
2 stops14h 50m
United Airlines
Deal found 1/18$629
This United Airlines deal was found by Cheapflights users on 1/18. 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 4/261:20 pm
PIA
-
LHR
1 stop16h 25m
United Airlines
Fri 5/156:50 am
LHR
-
PIA
2 stops18h 09m
United Airlines
Deal found 1/18$645
This Travelocity deal was found by Cheapflights users on 1/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:25 pm
PIA
-
LCY
2 stops22h 15m
Lufthansa
Fri 3/69:55 am
LCY
-
PIA
2 stops36h 45m
Lufthansa
Deal found 1/19$685
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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 4/275:25 pm
PIA
-
LCY
2 stops18h 30m
Lufthansa
Wed 5/139:15 am
LCY
-
PIA
2 stops19h 14m
Lufthansa
Deal found 1/18$722
This oojo deal was found by Cheapflights users on 1/18. 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 4/271:30 pm
PIA
-
LCY
2 stops37h 05m
British Airways
Wed 5/1311:00 am
LCY
-
PIA
2 stops42h 32m
British Airways
Deal found 1/18$731

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 January 19, 2026.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Peoria

Fly to

London

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 4/1

1:17 pm-7:40 am

1 stop12h 23m

London Heathrow

Wed 4/8

6:15 am-11:32 pm

2 stops23h 17m

$601

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 4/25

6:54 pm-9:05 am

1 stop32h 11m

London Heathrow

Tue 5/12

6:15 am-11:32 pm

2 stops23h 17m

$604

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 4/27

1:30 pm-7:40 am

1 stop12h 10m

London Heathrow

Wed 5/13

6:15 am-11:32 pm

2 stops23h 17m

$604

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 2/25

2:59 pm-10:25 am

1 stop13h 26m

London Heathrow

Fri 3/6

12:35 pm-6:25 pm

1 stop11h 50m

$604

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 4/25

6:54 pm-9:05 am

1 stop32h 11m

London Heathrow

Wed 5/13

6:15 am-11:32 pm

2 stops23h 17m

$604

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 4/27

6:54 pm-6:50 am

1 stop29h 56m

London Heathrow

Mon 5/11

4:30 pm-11:32 pm

2 stops37h 02m

$615

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 4/26

6:54 pm-9:05 am

1 stop32h 11m

London Heathrow

Mon 5/11

4:30 pm-11:32 pm

2 stops37h 02m

$615

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 4/26

1:30 pm-9:50 pm

2 stops26h 20m

London Heathrow

Wed 5/13

6:15 am-11:32 pm

2 stops23h 17m

$618

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 4/27

1:30 pm-10:45 pm

2 stops27h 15m

London Heathrow

Tue 5/12

6:15 am-11:32 pm

2 stops23h 17m

$618

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 4/26

1:30 pm-9:50 pm

2 stops26h 20m

London Heathrow

Tue 5/12

6:15 am-11:32 pm

2 stops23h 17m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 18 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
oojoPrice 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 oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on Peoria, Illinois-London flight deals on Cheapflights vs. oojo >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 oojo the most. oojo 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 January 19, 2026.
Peruse reviews from past customers who have flown with United Airlines, 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.
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,176 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,159 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,689 reviews
United Airlines
7.4
Good
9,176 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 12h 23m. British Airways provides one of the quickest options available for as low as $601. 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?

    British Airways, at $729, was found to be the cheapest airline from Peoria, Illinois to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 30% 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Harrow
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Gatwick
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Eastbourne
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Alternative routes for Peoria to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$749Average$887FlexibilityNo cancel feeOn-time71%

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