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

A quick flight from Peoria, Illinois to London can take about 11h 57m. United Airlines provides one of the quickest options available for as low as $656. 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 30% lower than the current average price 3 months from now.

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 are the most popular airlines that fly from Peoria, Illinois to London?

When booking a flight from Peoria, Illinois to London, you may want to consider flying on British Airways, American Airlines or United Airlines as they are the most popular for this route.

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 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.

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.

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.

$385+ Flights from Peoria, IL to London

Q: How much does it cost to fly round-trip from Peoria, Illinois to London?

Airfare is below average for this route at the moment. Peoria, Illinois to London flights typically cost between $2,303 and $2,367 in January. The cheapest round-trip price found within the last 3 days was $656 on United Airlines (Jan 23-Jan 27).

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 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 December 3, 2025.

Tue 12/25:15 pmPIA - LHR

2 stops17h 50mLufthansa

Tue 1/206:35 amLHR - PIA

2 stops16h 08mLufthansa

Deal found 12/2

$603

Tue 12/25:15 pmPIA - LHR

1 stop12h 45mAmerican Airlines

Tue 1/209:55 amLHR - PIA

1 stop13h 04mAmerican Airlines

Deal found 12/2

$656

Wed 12/173:30 pmPIA - LHR

1 stop10h 25mLufthansa

Tue 12/2310:25 amLHR - PIA

1 stop12h 18mLufthansa

Deal found 12/1

$1,210

Wed 12/171:15 pmPIA - LHR

1 stop10h 40mUnited Airlines

Tue 12/2312:05 pmLHR - PIA

2 stops15h 34mUnited Airlines

Deal found 12/1

$1,248

Thu 12/181:20 pmPIA - LHR

1 stop10h 35mUnited Airlines

Tue 12/3010:25 amLHR - PIA

1 stop12h 18mUnited Airlines

Deal found 11/30

$1,765

Sat 12/275:19 pmPIA - LHR

2 stops19h 16mLufthansa

Sat 1/34:30 pmLHR - PIA

2 stops35h 09mLufthansa

Deal found 12/2

$1,868

Sat 12/273:30 pmPIA - LHR

1 stop13h 45mUnited Airlines

Sat 1/37:40 amLHR - PIA

1 stop15h 03mUnited Airlines

Deal found 12/2

$2,011

Thu 12/181:20 pmPIA - LCY

2 stops14h 00mLufthansa

Tue 12/306:15 pmLCY - PIA

2 stops28h 28mLufthansa

Deal found 11/30

$2,944

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 December 3, 2025.

Fri 1/165:18 pmPIA - LHR

1 stop11h 57mUnited Airlines

Fri 1/236:50 amLHR - PIA

2 stops15h 53mUnited Airlines

Deal found 12/2

$656

Fri 1/237:39 amPIA - LGW

2 stops17h 51mAmerican Airlines

Tue 1/2711:20 amLGW - PIA

2 stops35h 12mAmerican Airlines

Deal found 11/30

$844

Fri 1/231:24 pmPIA - LHR

1 stop12h 31mUnited Airlines

Tue 1/276:50 amLHR - PIA

2 stops20h 49mUnited Airlines

Deal found 11/30

$656

Sat 1/173:00 pmPIA - LHR

1 stop32h 55mUnited Airlines

Sat 1/241:45 pmLHR - PIA

2 stops54h 38mUnited Airlines

Deal found 12/2

$667

Fri 1/235:18 pmPIA - LCY

2 stops57h 57mLufthansa

Tue 1/276:15 pmLCY - PIA

2 stops33h 24mLufthansa

Deal found 11/30

$1,728

Thu 12/181:20 pmPIA - LCY

2 stops14h 00mLufthansa

Tue 12/306:15 pmLCY - PIA

2 stops28h 28mLufthansa

Deal found 11/30

$2,944

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated December 3, 2025 and is based on user searches.

Wed 12/173:30 pmPIA - LHR

1 stop10h 25mLufthansa

Tue 12/2310:25 amLHR - PIA

1 stop12h 18mLufthansa

Deal found 12/1

$1,210

Wed 12/171:15 pmPIA - LHR

1 stop10h 40mUnited Airlines

Tue 12/2312:05 pmLHR - PIA

2 stops15h 34mUnited Airlines

Deal found 12/1

$1,248

Thu 12/181:20 pmPIA - LHR

1 stop10h 35mUnited Airlines

Tue 12/3010:25 amLHR - PIA

1 stop12h 18mUnited Airlines

Deal found 11/30

$1,765

Thu 12/181:20 pmPIA - LCY

2 stops14h 00mLufthansa

Tue 12/306:15 pmLCY - PIA

2 stops28h 28mLufthansa

Deal found 11/30

$2,944

Fri 1/161:24 pmPIA - LHR

2 stops11h 46mUnited Airlines

Fri 1/2311:10 amLHR - PIA

2 stops16h 29mUnited Airlines

Deal found 12/2

$660

Sat 1/173:00 pmPIA - LHR

1 stop32h 55mUnited Airlines

Sat 1/241:45 pmLHR - PIA

2 stops54h 38mUnited Airlines

Deal found 12/2

$667

Sat 1/177:00 amPIA - LHR

1 stop17h 50mAmerican Airlines

Sat 1/243:45 pmLHR - PIA

1 stop12h 36mAmerican Airlines

Deal found 12/2

$705

Fri 1/231:24 pmPIA - LHR

1 stop12h 31mUnited Airlines

Tue 1/276:50 amLHR - PIA

2 stops20h 49mUnited Airlines

Deal found 11/30

$656

Fri 1/237:39 amPIA - LGW

2 stops17h 51mAmerican Airlines

Tue 1/2711:20 amLGW - PIA

2 stops35h 12mAmerican Airlines

Deal found 11/30

$844

Fri 1/235:18 pmPIA - LCY

2 stops57h 57mLufthansa

Tue 1/276:15 pmLCY - PIA

2 stops33h 24mLufthansa

Deal found 11/30

$1,728

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 December 3, 2025.

Sat 1/173:00 pmPIA - LHR

2 stops33h 30mUnited Airlines

Deal found 12/1

$385

Fri 1/161:24 pmPIA - LHR

2 stops13h 01mUnited Airlines

Deal found 12/1

$429

Fri 1/161:24 pmPIA - LCY

2 stops16h 16mUnited Airlines

Deal found 12/1

$454

Sun 1/181:24 pmPIA - LHR

2 stops13h 01mUnited Airlines

Deal found 12/1

$694

Sat 1/177:39 amPIA - LHR

2 stops17h 06mAmerican Airlines

Deal found 12/1

$3,607

Find flight deals from Peoria to London

Most accurate provider	oojo 3 stars
Most trusted provider	oojo 3 stars
Round-trip from	$656 (United Airlines)
One-way from	$385 (United Airlines)
Popular in	December
Cheapest in	February
Average price	$2,350

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. 33% potential increase in price ($533 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 14% potential price decrease ($131 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/16

5:18 pm-11:15 am

1 stop11h 57m

London Heathrow

Fri 1/23

6:50 am-4:43 pm

2 stops15h 53m

$656

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/23

1:24 pm-7:55 am

1 stop12h 31m

London Heathrow

Tue 1/27

6:50 am-9:39 pm

2 stops20h 49m

$656

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 1/17

3:00 pm-5:55 am

1 stop32h 55m

London Heathrow

Sat 1/24

1:45 pm-2:23 pm

2 stops54h 38m

$667

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 1/23

7:39 am-7:30 am

2 stops17h 51m

London Gatwick

Tue 1/27

11:20 am-4:32 pm

2 stops35h 12m

$844

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Fri 1/23

5:18 pm-9:15 am

2 stops57h 57m

London City

Tue 1/27

6:15 pm-9:39 pm

2 stops33h 24m

$1,728

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 12/18

1:20 pm-9:20 am

2 stops14h 00m

London City

Tue 12/30

6:15 pm-4:43 pm

2 stops28h 28m

$2,944

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 1/17

3:00 pm-6:30 am

2 stops33h 30m

$385

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/16

1:24 pm-8:25 am

2 stops13h 01m

$429

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Fri 1/16

1:24 pm-11:40 am

2 stops16h 16m

$454

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sat 1/17

3:00 pm-12:45 pm

2 stops15h 45m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 12 results

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
oojo	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 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

How much does it cost to fly round-trip from Peoria, Illinois to London?

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

7.2

Good

11,045 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

7.2

Good

11,045 reviews

American Airlines

7.2

Good

11,045 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

7,550 reviews

American Airlines

7.2

Good

11,045 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 3 different airlines.
How long is the flight from Peoria, Illinois to London?
A quick flight from Peoria, Illinois to London can take about 11h 57m. United Airlines provides one of the quickest options available for as low as $656. 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 30% 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.

See more FAQs

Ilford

Hounslow

Hayes

Southend-on-Sea

Harrow

Eastleigh

Dartford

Dover

Winchester

Croydon

Orpington

Watford

Borehamwood

Aylesbury

Chipping Norton

Kingston upon Thames

Wembley

Folkestone

Eastbourne

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Peoria to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$729	Average$906	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$739	Average$911	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$743	Average$885	FlexibilityNo cancel fee	On-time71%

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.

$385+ 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 1/17. 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 December 3, 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 December 3, 2025.

Find flight deals from Peoria to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 December.

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

How much does it cost to fly round-trip from Peoria, Illinois to London?

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

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?

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.

Top 3 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 December 3, 2025.