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

A quick flight from Peoria, Illinois to London can take about 19h 17m. United Airlines provides one of the quickest options available for as low as $862. Airlines will cover a distance of 4069 mi.

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

American Airlines, at $624, was found to be the cheapest airline from Peoria, Illinois to London..

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 1 airline.

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

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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 September 24, 2026.

Mon 12/77:10 pm -

2 stops21h 45m

Mon 12/146:35 am -

2 stops22h 34m

Deal found 9/23

$847

Tue 12/87:10 pm -

2 stops15h 55m

Tue 12/158:15 pm -

2 stops32h 54m

Deal found 9/23

$857

Mon 11/22:35 pm -

1 stop15h 25m

Wed 11/119:00 am -

2 stops18h 13m

Deal found 9/19

$862

Wed 11/256:25 am -

1 stop23h 35m

Fri 12/49:00 am -

2 stops20h 09m

Deal found 9/22

$863

Thu 10/2210:43 am -

1 stop19h 12m

Thu 10/296:50 am -

2 stops14h 57m

Deal found 9/21

$864

Thu 11/268:15 am -

2 stops19h 05m

Fri 12/46:35 am -

2 stops22h 34m

Deal found 9/22

$865

Wed 11/115:30 pm -

2 stops31h 40m

Thu 11/269:00 am -

2 stops34h 34m

Deal found 9/20

$866

Thu 11/268:15 am -

2 stops19h 05m

Fri 12/47:30 am -

2 stops16h 28m

Deal found 9/22

$876

Thu 11/510:43 am -

2 stops16h 02m

Thu 11/126:50 am -

2 stops15h 57m

Deal found 9/21

$883

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 September 24, 2026.

Wed 11/1110:43 am -

1 stop19h 17m

Thu 11/269:00 am -

2 stops31h 08m

Deal found 9/20

$862

Wed 11/256:25 am -

1 stop23h 35m

Fri 12/49:00 am -

2 stops20h 09m

Deal found 9/22

$863

Thu 10/2210:43 am -

1 stop19h 12m

Thu 10/296:50 am -

2 stops14h 57m

Deal found 9/21

$864

Thu 11/268:15 am -

2 stops19h 05m

Fri 12/47:30 am -

2 stops16h 28m

Deal found 9/22

$876

Sun 3/215:00 am -

2 stops21h 10m

Mon 3/298:45 am -

2 stops20h 13m

Deal found 9/19

$877

Tue 11/35:30 pm -

1 stop12h 30m

Tue 11/101:35 pm -

1 stop13h 38m

Deal found 9/19

$885

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated September 24, 2026 and is based on user searches.

Sun 10/46:15 am -

1 stop18h 30m

Sat 10/109:30 am -

2 stops35h 36m

Deal found 9/21

$999

Sun 10/43:41 pm -

1 stop11h 19m

Sat 10/102:10 pm -

1 stop14h 48m

Deal found 9/20

$2,143

Sun 10/45:28 pm -

1 stop12h 47m

Sat 10/109:45 am -

1 stop13h 14m

Deal found 9/19

$2,161

Thu 10/2210:43 am -

1 stop19h 12m

Thu 10/296:50 am -

2 stops14h 57m

Deal found 9/21

$864

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 September 24, 2026.

Mon 3/223:30 pm -

1 stop15h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$354

Sun 3/215:00 am -

1 stop26h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$365

Fri 3/195:45 am -

2 stops24h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$470

Sat 3/206:27 pm -

1 stop34h 13m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$487

Wed 11/112:35 pm -

2 stops14h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$518

Fri 3/194:43 pm -

1 stop14h 32m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$524

Wed 11/116:25 am -

1 stop19h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$629

Sat 12/265:19 pm -

1 stop11h 06m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$6,042

Find flight deals from Peoria to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$829 (KAYAK)
One-way from	$354 (United Airlines)

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

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 3/21

5:45 am-6:40 am

2 stops19h 55m

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 3/23

5:45 am-7:55 am

1 stop21h 10m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$354

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Mon 3/22

5:45 am-6:40 am

2 stops19h 55m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$354

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Fri 3/19

5:45 am-11:20 am

2 stops24h 35m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$470

Quickest round-trip

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 11/11

2:35 pm-11:20 am

2 stops14h 45m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$518

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 11/11

6:25 am-7:55 am

1 stop19h 30m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$629

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 11/11

10:43 am-12:00 pm

1 stop19h 17m

London Heathrow

Thu 11/26

9:00 am-10:08 am

2 stops31h 08m

$862

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 11/25

6:25 am-12:00 pm

1 stop23h 35m

London Heathrow

Fri 12/4

9:00 am-11:09 pm

2 stops20h 09m

$863

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Thu 10/22

10:43 am-11:55 am

1 stop19h 12m

London Heathrow

Thu 10/29

6:50 am-4:47 pm

2 stops14h 57m

$864

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Thu 11/26

8:15 am-9:20 am

2 stops19h 05m

London Heathrow

Fri 12/4

7:30 am-5:58 pm

2 stops16h 28m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

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 September.

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 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

7.0

Good

12,075 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

12,075 reviews

American Airlines

7.0

Good

12,075 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.

British Airways

6.7

Okay

8,227 reviews

American Airlines

7.0

Good

12,075 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 1 airline.
How long is the flight from Peoria, Illinois to London?
A quick flight from Peoria, Illinois to London can take about 19h 17m. United Airlines provides one of the quickest options available for as low as $862. Airlines will cover a distance of 4069 mi.
What is the cheapest airline to fly from Peoria, Illinois to London round-trip?
American Airlines, at $624, was found to be the cheapest airline from Peoria, Illinois to London..
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

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Top airline flying from Peoria to London

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

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$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 3/21. 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

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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 September 24, 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 September 24, 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 September 24, 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 September 24, 2026.

Last-minute flights from Peoria to LondonDiscover last-minute flight deals from Peoria to London. Data last updated September 24, 2026 and is based on user searches.

Discover last-minute flight deals from Peoria to London. Data last updated September 24, 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 September 24, 2026.

Search for one-way flight options from Peoria to London. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Find flight deals from Peoria to London

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Most trusted provider

Round-trip from

One-way from

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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 September.

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 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.

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 is the cheapest airline to fly 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?

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Alternative routes for Peoria to London

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Complete your trip

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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 September 24, 2026.

Peoria and London flights

Browse other Peoria and London flight options. Last updated on September 24, 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 September 24, 2026.

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Top airline 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 September 24, 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 September 24, 2026.

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated September 24, 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 September 24, 2026.