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$581+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$596
(Gotogate)

Popular in

December

Cheapest in

September
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
Highest demand for flights based on searches. 28% potential increase in price ($428 potential increase over avg. RT price).
Search Deals
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 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/185:29 pmPIA - LHR
1 stop12h 31mAmerican Airlines
Tue 1/2712:10 pmLHR - PIA
2 stops16h 11mAmerican Airlines
Deal found 1/8$581
This British Airways deal was found by Cheapflights users on 1/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/185:16 pmPIA - LHR
1 stop12h 19mBritish Airways
Tue 1/2712:35 pmLHR - PIA
1 stop33h 57mBritish Airways
Deal found 1/8$600
This British Airways deal was found by Cheapflights users on 1/7. 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.
Wed 8/128:00 pmPIA - LHR
1 stop10h 15mBritish Airways
Wed 8/198:00 pmLHR - PIA
2 stops33h 21mBritish Airways
Deal found 1/7$616
This United Airlines deal was found by Cheapflights users on 1/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1810:45 amPIA - LHR
2 stops15h 40mUnited Airlines
Tue 1/276:50 amLHR - PIA
2 stops15h 53mUnited Airlines
Deal found 1/8$622
This British Airways deal was found by Cheapflights users on 1/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:44 pmPIA - LHR
1 stop9h 41mBritish Airways
Sun 1/256:45 pmLHR - PIA
2 stops33h 36mBritish Airways
Deal found 1/6$650
This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2110:45 amPIA - LHR
2 stops16h 35mUnited Airlines
Sun 1/256:50 amLHR - PIA
2 stops15h 53mUnited Airlines
Deal found 1/6$685
This United Airlines deal was found by Cheapflights users on 1/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:25 pmPIA - LHR
1 stop12h 30mUnited Airlines
Sun 3/11:45 pmLHR - PIA
2 stops37h 41mUnited Airlines
Deal found 1/8$686
This United Airlines deal was found by Cheapflights users on 1/7. 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 3/126:35 amPIA - LHR
2 stops19h 35mUnited Airlines
Wed 3/186:35 amLHR - PIA
2 stops19h 46mUnited Airlines
Deal found 1/7$689
This United Airlines deal was found by Cheapflights users on 1/7. 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 8/122:30 pmPIA - LHR
2 stops14h 10mUnited Airlines
Wed 8/192:05 pmLHR - PIA
2 stops13h 56mUnited Airlines
Deal found 1/7$692
This FlightHub deal was found by Cheapflights users on 1/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:55 amPIA - LCY
2 stops25h 00mLufthansa
Sun 6/216:30 pmLCY - PIA
2 stops32h 16mLufthansa
Deal found 1/6$1,472
This oojo deal was found by Cheapflights users on 1/7. 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 6/76:55 pmPIA - LCY
2 stops31h 40mBritish Airways
Sun 6/217:15 pmLCY - PIA
2 stops34h 27mBritish Airways
Deal found 1/7$1,785

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 8, 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

Sun 1/18

5:29 pm-12:00 pm

1 stop12h 31m

London Heathrow

Tue 1/27

12:10 pm-10:21 pm

2 stops16h 11m

$581

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 1/18

5:16 pm-11:35 am

1 stop12h 19m

London Heathrow

Tue 1/27

12:35 pm-4:32 pm

1 stop33h 57m

$600

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 1/18

10:45 am-8:25 am

2 stops15h 40m

London Heathrow

Tue 1/27

6:50 am-4:43 pm

2 stops15h 53m

$622

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 1/21

6:44 pm-10:25 am

1 stop9h 41m

London Heathrow

Sun 1/25

6:45 pm-10:21 pm

2 stops33h 36m

$650

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 1/21

10:45 am-9:20 am

2 stops16h 35m

London Heathrow

Sun 1/25

6:50 am-4:43 pm

2 stops15h 53m

$685

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 2/22

1:25 pm-7:55 am

1 stop12h 30m

London Heathrow

Sun 3/1

1:45 pm-9:26 pm

2 stops37h 41m

$686

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 3/12

6:35 am-7:10 am

2 stops19h 35m

London Heathrow

Wed 3/18

6:35 am-9:21 pm

2 stops19h 46m

$689

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 2/21

5:25 pm-7:55 am

1 stop32h 30m

London Heathrow

Sat 2/28

12:05 pm-2:10 pm

2 stops56h 05m

$697

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 2/21

2:50 pm-11:35 am

1 stop14h 45m

London Heathrow

Sat 2/28

2:10 pm-11:25 pm

1 stop15h 15m

$706

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 3/26

6:27 pm-12:00 pm

1 stop12h 33m

London Heathrow

Mon 3/30

2:25 pm-10:55 pm

1 stop14h 30m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 12 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 8, 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
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,141 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.2
Good
11,095 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
British Airways
6.7
Okay
7,659 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 19m. American Airlines provides one of the quickest options available for as low as $600. 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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Gatwick
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Alternative routes for Peoria to London

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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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$887FlexibilityNo cancel feeOn-time71%

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