How long is the flight from Peoria, Illinois to London?

A quick flight from Peoria, Illinois to London can take about 12h 19m. United Airlines provides one of the quickest options available for as low as $957. 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?

American Airlines, at $624, was found to be the cheapest airline from Peoria, Illinois to London. An alternate airline flying to your destination would be United Airlines.

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.

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).

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.

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

When flying from Peoria, Illinois to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$354+ Cheap Flights from Peoria, IL to London

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Peoria to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Peoria to London

Cheapest

Best

Last-minute

One-way

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 October 22, 2026.

Tue 12/18:00 am -

1 stop17h 55m

Wed 12/99:00 am -

2 stops18h 00m

Deal found 10/19

$982

Tue 12/88:00 am -

1 stop15h 55m

Wed 12/167:30 am -

2 stops16h 28m

Deal found 10/19

$994

Tue 12/112:22 pm -

1 stop12h 28m

Wed 12/94:30 pm -

1 stop13h 45m

Deal found 10/19

$1,013

Tue 12/810:45 am -

1 stop13h 10m

Fri 12/181:00 pm -

2 stops34h 03m

Deal found 10/19

$1,022

Thu 12/32:36 pm -

1 stop15h 24m

Thu 12/109:00 am -

2 stops18h 00m

Deal found 10/19

$1,032

Fri 12/42:36 pm -

1 stop11h 19m

Fri 12/116:35 am -

2 stops21h 54m

Deal found 10/20

$1,040

Thu 12/34:47 pm -

1 stop13h 23m

Thu 12/102:10 pm -

1 stop15h 49m

Deal found 10/19

$1,063

Tue 12/88:00 am -

1 stop15h 55m

Mon 12/211:00 pm -

2 stops31h 09m

Deal found 10/19

$1,072

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 October 22, 2026.

Tue 3/2310:56 am -

1 stop15h 59m

Tue 3/308:45 am -

2 stops20h 13m

Deal found 10/19

$923

Wed 3/176:16 pm -

1 stop12h 19m

Tue 3/234:30 pm -

1 stop12h 37m

Deal found 10/18

$957

Sun 3/2111:05 am -

1 stop20h 10m

Sat 3/272:45 pm -

1 stop24h 49m

Deal found 10/18

$1,046

Mon 3/227:00 am -

1 stop17h 55m

Tue 3/301:50 pm -

2 stops37h 26m

Deal found 10/22

$930

Mon 3/152:35 pm -

1 stop10h 20m

Fri 3/266:00 pm -

2 stops30h 00m

Deal found 10/19

$965

Wed 3/1710:56 am -

2 stops15h 14m

Tue 3/231:00 pm -

2 stops15h 13m

Deal found 10/18

$1,169

Tue 12/110:45 am -

2 stops14h 55m

Wed 12/99:00 am -

2 stops18h 00m

Deal found 10/19

$987

Tue 12/810:45 am -

2 stops13h 55m

Wed 12/167:30 am -

2 stops16h 28m

Deal found 10/19

$999

Wed 3/242:35 pm -

1 stop10h 20m

Sun 3/288:00 am -

1 stop20h 58m

Deal found 10/19

$1,007

Wed 3/242:35 pm -

1 stop10h 20m

Sat 3/277:40 am -

1 stop33h 11m

Deal found 10/19

$1,261

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 October 22, 2026.

Mon 3/226:16 pm -

1 stop12h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$354

Tue 12/110:45 am -

2 stops18h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/17

$750

Mon 3/2210:56 am -

2 stops15h 14m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/19

$3,327

Tue 12/16:00 am -

3 stops47h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/17

$8,201

Find flight deals from Peoria to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$796 (United Airlines)
One-way from	$354 (British Airways)

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 3/22

6:16 pm-11:35 am

1 stop12h 19m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$354

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 12/1

10:45 am-10:50 am

2 stops18h 05m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$750

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 3/23

10:56 am-7:55 am

1 stop15h 59m

London Heathrow

Tue 3/30

8:45 am-10:58 pm

2 stops20h 13m

$923

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 3/22

7:00 am-5:55 am

1 stop17h 55m

London Heathrow

Tue 3/30

1:50 pm-9:16 pm

2 stops37h 26m

$930

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 3/17

6:16 pm-11:35 am

1 stop12h 19m

London Heathrow

Tue 3/23

4:30 pm-12:07 am

1 stop12h 37m

$957

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 3/15

2:35 pm-5:55 am

1 stop10h 20m

London Heathrow

Fri 3/26

6:00 pm-7:00 pm

2 stops30h 00m

$965

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 12/1

10:45 am-7:40 am

2 stops14h 55m

London Heathrow

Wed 12/9

9:00 am-9:00 pm

2 stops18h 00m

$987

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 12/8

10:45 am-6:40 am

2 stops13h 55m

London Heathrow

Wed 12/16

7:30 am-5:58 pm

2 stops16h 28m

$999

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 3/24

2:35 pm-5:55 am

1 stop10h 20m

London Heathrow

Sun 3/28

8:00 am-10:58 pm

1 stop20h 58m

$1,007

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 3/21

11:05 am-12:15 pm

1 stop20h 10m

London Heathrow

Sat 3/27

2:45 pm-10:34 am

1 stop24h 49m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 13 resultsSorted by cheapest first

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	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.

PIA-LON

PIA-LHR

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

PIA-LON

PIA-LHR

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with American Airlines 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

7.0

Good

12,184 reviews

Reviews

1 / 20

4.0

Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

American Airlines

7.0

Good

12,184 reviews

American Airlines

7.0

Good

12,184 reviews

Reviews

1 / 20

4.0

Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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.
How long is the flight from Peoria, Illinois to London?
A quick flight from Peoria, Illinois to London can take about 12h 19m. United Airlines provides one of the quickest options available for as low as $957. 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?
American Airlines, at $624, was found to be the cheapest airline from Peoria, Illinois to London. An alternate airline flying to your destination would be United Airlines.
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

Ilford

Dorking

Hounslow

Gatwick

Wembley

Harrow

Southend-on-Sea

Basingstoke

Watford

Dartford

Winchester

Croydon

Chipping Norton

Kingston upon Thames

Slough

Eastbourne

Stansted

Sutton

Luton

Harlow

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

London flight routes

Other flight options

Other flights from Peoria

Popular flights

Alternative routes for Peoria to London

Top 2 airlines flying from Peoria to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$624	Average$1,236	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$920	Average$1,440	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$354+ 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 3/22. 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

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 October 22, 2026.

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 October 22, 2026.

Best flights from Peoria to LondonDiscover 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 October 22, 2026.

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 October 22, 2026.

Last-minute flights from Peoria to LondonDiscover last-minute flight deals from Peoria to London. Data last updated October 22, 2026 and is based on user searches.

Discover last-minute flight deals from Peoria to London. Data last updated October 22, 2026 and is based on user searches.

One-way flights from Peoria to LondonSearch for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.

Search for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.

Find flight deals from Peoria to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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 October.

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

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with American Airlines 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.

Related info for your journey

What airport do you fly from for flights from Peoria to London?

How long is the flight from Peoria, Illinois 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?

Traveling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Peoria to London by cabin class

Find flights from Peoria to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.

Peoria and London flights

Browse other Peoria and London flight options. Last updated on October 22, 2026.

Other flights from Peoria

Browse through other flights departing from Peoria. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Peoria to London

100% Free

Book with Flexibility

Travel Smart

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 October 22, 2026.

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 October 22, 2026.

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated October 22, 2026 and is based on user searches.

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 October 22, 2026.