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$628+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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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 octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 11/186:45 amPIA - LHR
2 stops18h 25mUnited Airlines
mar. 11/256:35 amLHR - PIA
2 stops16h 05mUnited Airlines
Deal found 10/28$628
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:45 amPIA - LGW
2 stops29h 05mMultiple Airlines
mar. 11/256:40 pmLGW - PIA
2 stops28h 00mMultiple Airlines
Deal found 10/28$634
This United Airlines deal was found by Cheapflights users on 10/27. 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.
dom. 12/73:30 pmPIA - LHR
1 stop10h 25mUnited Airlines
dom. 12/141:25 pmLHR - PIA
2 stops30h 38mUnited Airlines
Deal found 10/27$685
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/710:47 amPIA - LHR
1 stop14h 03mAmerican Airlines
dom. 12/149:55 amLHR - PIA
1 stop14h 15mAmerican Airlines
Deal found 10/27$708
This United Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 12/1210:45 amPIA - LHR
1 stop13h 10mUnited Airlines
vie. 12/194:20 pmLHR - PIA
2 stops26h 00mUnited Airlines
Deal found 10/27$883
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 12/166:45 amPIA - LHR
2 stops18h 25mUnited Airlines
dom. 12/214:20 pmLHR - PIA
2 stops27h 48mUnited Airlines
Deal found 10/28$958
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 12/133:30 pmPIA - LHR
2 stops33h 40mUnited Airlines
sáb. 12/209:30 amLHR - PIA
2 stops34h 38mUnited Airlines
Deal found 10/29$1,034
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:48 amPIA - LHR
1 stop15h 47mAmerican Airlines
dom. 12/212:10 pmLHR - PIA
1 stop15h 18mAmerican Airlines
Deal found 10/28$1,128
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2110:45 amPIA - LHR
1 stop15h 50mAmerican Airlines
vie. 11/2811:15 amLHR - PIA
1 stop18h 51mAmerican Airlines
Deal found 10/27$1,168
This Gurufare deal was found by Cheapflights users on 10/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/211:20 pmPIA - LHR
2 stops14h 25mLufthansa
vie. 11/287:30 amLHR - PIA
2 stops20h 01mLufthansa
Deal found 10/27$1,230
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 12/131:15 pmPIA - LCY
3 stops17h 30mMultiple Airlines
sáb. 12/2012:15 pmLCY - PIA
3 stops39h 24mMultiple Airlines
Deal found 10/29$1,307

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 octubre 29, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$628
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,007
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. 7% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 octubre 29, 2025.
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 - LGW

PIALGW

Greater Peoria

mar. 11/18

6:45 am-5:50 pm

2 stops29h 05m

London Gatwick

mar. 11/25

6:40 pm-4:40 pm

2 stops28h 00m

$634

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mar. 2/24

1:25 pm-5:55 am

1 stop10h 30m

London Heathrow

mar. 3/3

11:10 am-9:31 pm

2 stops16h 21m

$637

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

lun. 2/23

1:25 pm-7:55 am

1 stop12h 30m

London Heathrow

mar. 3/3

11:10 am-9:31 pm

2 stops16h 21m

$637

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mar. 2/24

10:51 am-5:55 am

1 stop13h 04m

London Heathrow

mié. 3/4

6:30 am-9:31 pm

2 stops21h 01m

$648

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

dom. 2/22

1:25 pm-7:55 am

1 stop12h 30m

London Heathrow

jue. 3/5

8:30 am-9:01 pm

2 stops18h 31m

$648

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 2/25

1:25 pm-11:15 am

1 stop15h 50m

London Heathrow

mié. 3/4

8:30 am-9:31 pm

2 stops19h 01m

$648

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

dom. 2/22

1:25 pm-7:55 am

1 stop12h 30m

London Heathrow

mié. 3/4

8:30 am-9:31 pm

2 stops19h 01m

$648

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

dom. 2/22

1:25 pm-9:00 pm

2 stops25h 35m

London Heathrow

mar. 3/3

6:35 am-9:31 pm

2 stops20h 56m

$656

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mar. 2/24

5:25 pm-6:35 pm

2 stops19h 10m

London Heathrow

mar. 3/3

7:40 am-9:31 pm

2 stops19h 51m

$656

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 2/25

10:51 am-7:55 am

1 stop15h 04m

London Heathrow

jue. 3/5

7:40 am-2:10 pm

1 stop12h 30m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
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 octubre 29, 2025.
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
7.2
Good
11,032 reviews

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Crew

8.0

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
American Airlines
7.2
Good
11,032 reviews
American Airlines
7.2
Good
11,032 reviews

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Crew

8.0

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
British Airways
6.7
Okay
7,483 reviews
American Airlines
7.2
Good
11,032 reviews

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Crew

8.0

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

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 10h 30m. United Airlines provides one of the quickest options available for as low as $637. 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 23% 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$906FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$887FlexibilityNo cancel feeOn-time71%

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