What are the cheapest airlines flying from Peoria, Illinois to London round-trip?

United Airlines, at $764, was found to be the cheapest airline from Peoria, Illinois to London.Alternate airlines to your destination round-trip include British Airways and Lufthansa. These flights start at 22% lower than the current average price 3 months from now.

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

Currently, November is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of $661). Flying from Peoria, Illinois to London in June is currently the most expensive (average of $1,115). 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.

What is the cheapest day to fly from Peoria, Illinois to London?

Travelers seeking maximum savings on their Peoria, Illinois to London flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What is the cheapest day to fly round-trip from Peoria, Illinois to London?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Peoria, Illinois to London?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, February can be a great choice for travel to London. Flights to London from Peoria, Illinois in February are about $986 on average during February, but can be found for as low as $734.

What is the cheapest time of day to fly from PIA to LON?

A simple way to save on the total cost of your ticket is to fly from Peoria, Illinois to London at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

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.

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 2 different airlines.

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.

$589+ Flights from Peoria, IL to London

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Cheap flight deals from Peoria to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$764 (United)
One-way from	$589 (British Airways)
Popular in	March
Cheapest in	February
Average price	$1,631

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.

Search Deals

From Greater Peoria to London (LON)

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One-way flight from Greater Peoria to London (LON)

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($48 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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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 March 28, 2025.

Wed 4/2310:58 amPIA - LHR

2 stops18h 37mUnited Airlines

Tue 4/292:05 pmLHR - PIA

2 stops29h 52mUnited Airlines

Deal found 3/27

$764

Tue 8/1911:31 amPIA - LHR

1 stop13h 19mBritish Airways

Tue 8/268:55 amLHR - PIA

2 stops42h 23mBritish Airways

Deal found 3/26

$804

Wed 4/235:21 pmPIA - LCY

2 stops19h 14mLufthansa

Tue 4/298:45 amLCY - PIA

2 stops18h 48mLufthansa

Deal found 3/27

$1,030

Wed 7/211:09 amPIA - LHR

1 stop13h 16mAmerican Airlines

Sun 7/611:05 amLHR - PIA

1 stop12h 52mAmerican Airlines

Deal found 3/27

$1,467

Wed 6/411:00 amPIA - LHR

2 stops13h 45mMultiple Airlines

Sat 6/216:50 amLHR - PIA

2 stops14h 28mMultiple Airlines

Deal found 3/26

$1,531

Fri 7/46:00 amPIA - LGW

2 stops20h 10mAmerican Airlines

Sat 7/2612:20 pmLGW - PIA

2 stops17h 52mAmerican Airlines

Deal found 3/27

$1,734

Fri 7/43:39 pmPIA - LGW

3 stops20h 11mMultiple Airlines

Sat 7/266:40 pmLGW - PIA

2 stops26h 23mMultiple Airlines

Deal found 3/27

$4,698

Best flights from Peoria to London
Discover carefully curated flight deals from Peoria to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Wed 4/2310:58 amPIA - LHR

2 stops18h 37mUnited Airlines

Tue 4/292:05 pmLHR - PIA

2 stops29h 52mUnited Airlines

Deal found 3/27

$764

Tue 8/1911:31 amPIA - LHR

1 stop13h 19mBritish Airways

Tue 8/268:55 amLHR - PIA

2 stops42h 23mBritish Airways

Deal found 3/26

$804

Wed 4/235:21 pmPIA - LCY

2 stops19h 14mLufthansa

Tue 4/298:45 amLCY - PIA

2 stops18h 48mLufthansa

Deal found 3/27

$1,030

Wed 7/211:09 amPIA - LHR

1 stop13h 16mAmerican Airlines

Sun 7/611:05 amLHR - PIA

1 stop12h 52mAmerican Airlines

Deal found 3/27

$1,467

Wed 6/411:00 amPIA - LHR

2 stops13h 45mMultiple Airlines

Sat 6/216:50 amLHR - PIA

2 stops14h 28mMultiple Airlines

Deal found 3/26

$1,531

Fri 7/46:00 amPIA - LGW

2 stops20h 10mAmerican Airlines

Sat 7/2612:20 pmLGW - PIA

2 stops17h 52mAmerican Airlines

Deal found 3/27

$1,734

Fri 7/43:39 pmPIA - LGW

3 stops20h 11mMultiple Airlines

Sat 7/266:40 pmLGW - PIA

2 stops26h 23mMultiple Airlines

Deal found 3/27

$4,698

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated March 28, 2025 and is based on user searches.

Wed 4/2310:58 amPIA - LHR

2 stops18h 37mUnited Airlines

Tue 4/292:05 pmLHR - PIA

2 stops29h 52mUnited Airlines

Deal found 3/27

$764

Wed 4/2311:26 amPIA - LHR

1 stop18h 49mBritish Airways

Tue 4/296:10 pmLHR - PIA

2 stops33h 53mBritish Airways

Deal found 3/26

$923

Wed 4/235:21 pmPIA - LCY

2 stops19h 14mLufthansa

Tue 4/298:45 amLCY - PIA

2 stops18h 48mLufthansa

Deal found 3/27

$1,030

One-way flights from Peoria to London
Search for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Fri 8/2211:31 amPIA - LHR

1 stop17h 24mBritish Airways

Deal found 3/26

$589

Tue 7/18:18 pmPIA - LHR

2 stops41h 32mMultiple Airlines

Deal found 3/25

$593

Mon 6/236:45 amPIA - LHR

2 stops17h 10mUnited Airlines

Deal found 3/26

$908

Cheapflights Fare Finder

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

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 4/23

10:58 am-11:35 am

2 stops18h 37m

London Heathrow

Tue 4/29

2:05 pm-1:57 pm

2 stops29h 52m

$764

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

11:31 am-6:50 am

1 stop13h 19m

London Heathrow

Tue 8/26

8:55 am-9:18 pm

2 stops42h 23m

$804

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 4/23

5:21 pm-6:35 pm

2 stops19h 14m

London City

Tue 4/29

8:45 am-9:33 pm

2 stops18h 48m

$1,030

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 7/2

11:09 am-6:25 am

1 stop13h 16m

London Heathrow

Sun 7/6

11:05 am-5:57 pm

1 stop12h 52m

$1,467

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 6/4

11:00 am-6:45 am

2 stops13h 45m

London Heathrow

Sat 6/21

6:50 am-3:18 pm

2 stops14h 28m

$1,531

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 7/4

6:00 am-8:10 am

2 stops20h 10m

London Gatwick

Sat 7/26

12:20 pm-12:12 am

2 stops17h 52m

$1,734

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 7/4

3:39 pm-5:50 pm

3 stops20h 11m

London Gatwick

Sat 7/26

6:40 pm-3:03 pm

2 stops26h 23m

$4,698

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 8/22

10:49 am-6:55 am

2 stops14h 06m

$589

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 7/1

8:18 pm-7:50 pm

2 stops41h 32m

$593

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 7/1

6:26 pm-12:15 pm

1 stop11h 49m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Peoria to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to London in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*2 stars
Justfly.com	Price Accuracy3 stars	Trust 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

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

United Airlines

7.4

Good

8,603 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,603 reviews

United Airlines

7.4

Good

8,603 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,603 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.7

Okay

6,955 reviews

United Airlines

7.4

Good

8,603 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.6

Okay

6,712 reviews

United Airlines

7.4

Good

8,603 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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 2 different airlines.
What are the cheapest airlines flying from Peoria, Illinois to London round-trip?
United Airlines, at $764, was found to be the cheapest airline from Peoria, Illinois to London.Alternate airlines to your destination round-trip include British Airways and Lufthansa. These flights start at 22% 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.
What is the cheapest month to book a flight from Peoria, Illinois to London?
Currently, November is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of $661). Flying from Peoria, Illinois to London in June is currently the most expensive (average of $1,115). 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

Hounslow

Hayes

Thornton Heath

Luton

Wembley

Harrow

Horley

Canterbury

Gatwick

Dover

Orpington

Watford

Milton Keynes

Croydon

Borehamwood

Bromley

Folkestone

Ilford

Aylesbury

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Peoria to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$711	Average$896	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$744	Average$906	FlexibilityNo cancel fee	On-time70%

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$589+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Peoria to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Peoria to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Peoria to London

Cheapest flights from Peoria to LondonExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

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

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 March.

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.

Cheapflights Insights

Everything you need to know about your flight from Peoria to London

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

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?

What are the cheapest airlines flying from Peoria, Illinois to London round-trip?

What are the most popular routes from Peoria, Illinois to London?

Can I find deals for flights from Peoria to London that include hotel bookings?

How can I find direct flights from Peoria to London?

Can I find deals for business class flights from Peoria to London?

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

Traveling to a place near Peoria?

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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.

Top 2 airlines flying from Peoria to London

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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 March 28, 2025.