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$339+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
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 enero 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
mié. 2/43:00 pm
PIA
-
LHR
1 stop14h 15m
United Airlines
lun. 2/91:45 pm
LHR
-
PIA
2 stops37h 54m
United Airlines
Deal found 1/27$642
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/45:18 pm
PIA
-
LHR
2 stops20h 17m
Lufthansa
lun. 2/97:30 pm
LHR
-
PIA
2 stops27h 13m
Lufthansa
Deal found 1/27$649
This United Airlines deal was found by Cheapflights users on 1/27. 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.
mié. 4/16:30 am
PIA
-
LHR
1 stop18h 15m
United Airlines
mié. 4/88:40 am
LHR
-
PIA
2 stops38h 04m
United Airlines
Deal found 1/27$658
This United Airlines deal was found by Cheapflights users on 1/27. 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.
mié. 8/122:30 pm
PIA
-
LHR
1 stop15h 15m
United Airlines
mié. 8/195:40 pm
LHR
-
PIA
2 stops33h 06m
United Airlines
Deal found 1/27$672
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1210:06 am
PIA
-
LHR
1 stop16h 59m
British Airways
mié. 8/1912:15 pm
LHR
-
PIA
1 stop11h 34m
British Airways
Deal found 1/27$684
This United Airlines deal was found by Cheapflights users on 1/26. 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.
jue. 1/296:30 am
PIA
-
LHR
1 stop17h 25m
United Airlines
lun. 2/212:05 pm
LHR
-
PIA
2 stops39h 34m
United Airlines
Deal found 1/26$690
This Travelocity deal was found by Cheapflights users on 1/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/41:24 pm
PIA
-
LCY
2 stops22h 16m
Lufthansa
lun. 2/96:15 pm
LCY
-
PIA
2 stops28h 28m
Lufthansa
Deal found 1/27$720
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/46:44 pm
PIA
-
LGW
2 stops43h 11m
British Airways
lun. 2/911:45 am
LGW
-
PIA
2 stops40h 36m
British Airways
Deal found 1/27$747
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/46:55 pm
PIA
-
LGW
2 stops42h 05m
British Airways
dom. 3/811:45 am
LGW
-
PIA
2 stops40h 40m
British Airways
Deal found 1/27$1,000
This KAYAK deal was found by Cheapflights users on 1/26. 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.
mar. 7/285:20 pm
PIA
-
LCY
2 stops18h 35m
Lufthansa
mar. 8/46:30 pm
LCY
-
PIA
2 stops32h 16m
Lufthansa
Deal found 1/26$1,127
This KAYAK deal was found by Cheapflights users on 1/26. 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.
jue. 7/305:20 pm
PIA
-
LCY
2 stops18h 35m
Lufthansa
mar. 8/46:30 pm
LCY
-
PIA
2 stops32h 16m
Lufthansa
Deal found 1/26$1,177
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/295:20 pm
PIA
-
LCY
2 stops18h 35m
Lufthansa
lun. 8/39:15 am
LCY
-
PIA
2 stops37h 16m
Lufthansa
Deal found 1/26$1,197

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(United Airlines)

One-way from

$339
(Kiwi.com)

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
One-way flight 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).
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 enero 29, 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

mié. 4/1

6:30 am-6:45 am

1 stop18h 15m

London Heathrow

mié. 4/8

8:40 am-4:44 pm

2 stops38h 04m

$658

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 3/4

1:25 pm-7:55 am

1 stop12h 30m

London Heathrow

dom. 3/8

6:50 am-8:21 pm

2 stops19h 31m

$692

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 2/13

10:46 am-6:40 am

2 stops13h 54m

London Heathrow

mar. 2/17

12:05 pm-9:26 pm

2 stops15h 21m

$716

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 3/4

2:59 pm-6:55 am

1 stop9h 56m

London Heathrow

dom. 3/8

2:10 pm-11:25 pm

1 stop14h 15m

$717

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 4/17

5:25 pm-11:45 am

1 stop12h 20m

London Heathrow

sáb. 5/2

6:50 am-4:50 pm

2 stops16h 00m

$758

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

mié. 3/4

6:55 pm-7:00 pm

2 stops42h 05m

London Gatwick

dom. 3/8

11:45 am-11:25 pm

2 stops40h 40m

$1,000

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

mar. 7/28

5:20 pm-5:55 pm

2 stops18h 35m

London City

mar. 8/4

6:30 pm-8:46 pm

2 stops32h 16m

$1,127

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

mar. 7/28

5:20 pm-5:55 pm

2 stops18h 35m

London City

lun. 8/3

6:30 pm-4:31 pm

2 stops28h 01m

$1,202

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

dom. 6/7

6:55 pm-4:30 pm

2 stops15h 35m

London City

dom. 6/21

4:20 pm-11:42 pm

2 stops37h 22m

$1,856

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

dom. 2/8

6:38 pm-6:00 am

3 stops29h 22m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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

What is the cheapest month to book a flight from Peoria, Illinois to London?

Currently, February is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of $604). Flying from Peoria, Illinois to London in June is currently the most expensive (average of $1,013). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 enero 29, 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
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
11,206 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
7,705 reviews
United Airlines
7.4
Good
9,215 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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 18h 15m. United Airlines provides one of the quickest options available for as low as $658. 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 $704, 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 33% 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.

  • What is the cheapest month to book a flight from Peoria, Illinois to London?

    Currently, February is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of $604). Flying from Peoria, Illinois to London in June is currently the most expensive (average of $1,013). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$704Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$749Average$887FlexibilityNo cancel feeOn-time71%

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