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

Our cheapest airline available from Peoria, Illinois to London is British Airways. Our recent data shows that you can find tickets from as low as £461 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at £464 and £517 round-trip. British Airways is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of £112). Flying from Peoria, Illinois to London in August is currently the most expensive (average of £164). 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.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 month to fly from Peoria, Illinois to London?

Our data shows that February tends to be the cheapest month to fly to London from Peoria, Illinois. Users have commonly found prices around £699 for the month, but tickets can be as low as £540. Due to multiple factors, prepare for potentially higher prices in August.

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.

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

For a flight from Peoria to London, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Greater Peoria on a regular basis.

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 holiday 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.

£341+ Flights from Peoria, Illinois to London

Cheap flight deals from Peoria to London

Round-trip from	£461
One-way from	£341
Popular in	August
Cheapest in	February
Average price	£840

British Airways
19/8-26/8
3 total stops
27h 50m total
Peoria to London

Search Deals

British Airways
22/8
1 total stop
10h 15m total
Peoria to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£141 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£44 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 11 July 2025.

Tue 19/818:39PIA - LHR

1 stop9h 51mBritish Airways

Tue 26/806:10LHR - PIA

2 stops17h 59mBritish Airways

Deal found 9/7£461

Wed 1/1006:55PIA - LHR

2 stops17h 35mUnited Airlines

Tue 7/1014:05LHR - PIA

2 stops31h 14mUnited Airlines

Deal found 9/7£464

Sun 7/918:25PIA - LHR

1 stop11h 50mAmerican Airlines

Sun 14/909:15LHR - PIA

1 stop13h 01mAmerican Airlines

Deal found 9/7£517

Sun 10/811:00PIA - LCY

2 stops25h 35mLufthansa

Tue 19/817:00LCY - PIA

2 stops29h 43mLufthansa

Deal found 9/7£625

Thu 18/917:19PIA - LHR

2 stops19h 21mLufthansa

Sat 27/906:30LHR - PIA

2 stops16h 13mLufthansa

Deal found 11/7£656

Fri 5/921:14PIA - LGW

2 stops27h 46mMultiple Airlines

Sun 14/908:55LGW - PIA

3 stops41h 29mMultiple Airlines

Deal found 10/7£666

Sat 9/806:00PIA - LGW

2 stops20h 10mAmerican Airlines

Sat 16/810:40LGW - PIA

2 stops19h 19mAmerican Airlines

Deal found 10/7£721

Fri 5/915:18PIA - LHR

2 stops23h 02mMultiple Airlines

Sun 14/909:50LHR - PIA

3 stops40h 34mMultiple Airlines

Deal found 10/7£761

Sun 10/811:00PIA - LCY

2 stops19h 30mMultiple Airlines

Tue 19/808:45LCY - PIA

3 stops19h 30mMultiple Airlines

Deal found 9/7£764

Fri 17/1020:11PIA - LGW

2 stops17h 49mBritish Airways

Mon 20/1011:35LGW - PIA

2 stops17h 46mBritish Airways

Deal found 9/7£781

Best flights from Peoria to London
Discover carefully curated flight deals from Peoria to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Tue 19/818:39PIA - LHR

1 stop9h 51mBritish Airways

Tue 26/806:10LHR - PIA

2 stops17h 59mBritish Airways

Deal found 9/7£461

Wed 1/1006:55PIA - LHR

2 stops17h 35mUnited Airlines

Tue 7/1014:05LHR - PIA

2 stops31h 14mUnited Airlines

Deal found 9/7£464

Sun 7/918:25PIA - LHR

1 stop11h 50mAmerican Airlines

Sun 14/909:15LHR - PIA

1 stop13h 01mAmerican Airlines

Deal found 9/7£517

Sun 10/811:00PIA - LCY

2 stops25h 35mLufthansa

Tue 19/817:00LCY - PIA

2 stops29h 43mLufthansa

Deal found 9/7£625

Fri 5/921:14PIA - LGW

2 stops27h 46mMultiple Airlines

Sun 14/908:55LGW - PIA

3 stops41h 29mMultiple Airlines

Deal found 10/7£666

Thu 18/917:19PIA - LHR

2 stops19h 21mLufthansa

Sat 27/906:30LHR - PIA

2 stops16h 13mLufthansa

Deal found 11/7£656

Sat 9/806:00PIA - LGW

2 stops20h 10mAmerican Airlines

Sat 16/810:40LGW - PIA

2 stops19h 19mAmerican Airlines

Deal found 10/7£721

Fri 5/915:18PIA - LHR

2 stops23h 02mMultiple Airlines

Sun 14/909:50LHR - PIA

3 stops40h 34mMultiple Airlines

Deal found 10/7£761

Fri 17/1020:11PIA - LGW

2 stops17h 49mBritish Airways

Mon 20/1011:35LGW - PIA

2 stops17h 46mBritish Airways

Deal found 9/7£781

Sun 10/811:00PIA - LCY

2 stops19h 30mMultiple Airlines

Tue 19/808:45LCY - PIA

3 stops19h 30mMultiple Airlines

Deal found 9/7£764

Last-minute flights from Peoria to London
Discover last-minute flight deals from Peoria to London. Data last updated 11 July 2025 and is based on user searches.

Sat 19/715:39PIA - LHR

2 stops32h 51mUnited Airlines

Sun 27/716:40LHR - PIA

2 stops30h 03mUnited Airlines

Deal found 10/7£720

Thu 7/816:15PIA - LHR

2 stops12h 50mAmerican Airlines

Sun 17/813:10LHR - PIA

1 stop16h 12mAmerican Airlines

Deal found 10/7£734

Sat 9/806:00PIA - LGW

2 stops20h 10mAmerican Airlines

Sat 16/810:40LGW - PIA

2 stops19h 19mAmerican Airlines

Deal found 10/7£721

Sat 9/819:49PIA - LGW

1 stop30h 46mMultiple Airlines

Sat 16/815:40LGW - PIA

2 stops56h 00mMultiple Airlines

Deal found 10/7£845

Sun 10/811:00PIA - LHR

2 stops17h 00mUnited Airlines

Tue 19/807:30LHR - PIA

2 stops19h 22mUnited Airlines

Deal found 9/7£472

Sun 10/811:00PIA - LCY

2 stops25h 35mLufthansa

Tue 19/817:00LCY - PIA

2 stops29h 43mLufthansa

Deal found 9/7£625

Sun 10/811:00PIA - LCY

2 stops19h 30mMultiple Airlines

Tue 19/808:45LCY - PIA

3 stops19h 30mMultiple Airlines

Deal found 9/7£764

Tue 19/818:39PIA - LHR

1 stop9h 51mBritish Airways

Tue 26/806:10LHR - PIA

2 stops17h 59mBritish Airways

Deal found 9/7£461

Sun 24/817:19PIA - LHR

2 stops17h 21mMultiple Airlines

Sun 31/818:40LHR - PIA

3 stops31h 05mMultiple Airlines

Deal found 10/7£1,120

Sun 24/820:00PIA - LGW

2 stops18h 00mBritish Airways

Sun 31/811:35LGW - PIA

2 stops16h 20mBritish Airways

Deal found 9/7£1,595

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

Tue 19/8

18:39-10:30

1 stop9h 51m

London Heathrow

Tue 26/8

06:10-18:09

2 stops17h 59m

£461

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 1/10

06:55-06:30

2 stops17h 35m

London Heathrow

Tue 7/10

14:05-15:19

2 stops31h 14m

£464

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 7/9

18:25-12:15

1 stop11h 50m

London Heathrow

Sun 14/9

09:15-16:16

1 stop13h 01m

£517

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 10/8

11:00-18:35

2 stops25h 35m

London City

Tue 19/8

17:00-16:43

2 stops29h 43m

£625

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 18/9

17:19-18:40

2 stops19h 21m

London Heathrow

Sat 27/9

06:30-16:43

2 stops16h 13m

£656

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 5/9

21:14-07:00

2 stops27h 46m

London Gatwick

Sun 14/9

08:55-20:24

3 stops41h 29m

£666

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sat 9/8

06:00-08:10

2 stops20h 10m

London Gatwick

Sat 16/8

10:40-23:59

2 stops19h 19m

£721

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 5/9

15:18-20:20

2 stops23h 02m

London Heathrow

Sun 14/9

09:50-20:24

3 stops40h 34m

£761

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 10/8

11:00-12:30

2 stops19h 30m

London City

Tue 19/8

08:45-22:15

3 stops19h 30m

£764

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 17/10

20:11-20:00

2 stops17h 49m

London Gatwick

Mon 20/10

11:35-23:21

2 stops17h 46m

£781

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 12 results

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 return 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

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

Reviews of airlines servicing London

Get a feel of what it's like to fly with United Airlines, American Airlines, andLufthansa from Peoria to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,848 reviews

Check prices

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

8,848 reviews

United Airlines

7.4

Good

8,848 reviews

Check prices

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

8,848 reviews

Check prices

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

6.8

Okay

7,199 reviews

United Airlines

7.4

Good

8,848 reviews

Check prices

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

7,109 reviews

United Airlines

7.4

Good

8,848 reviews

Check prices

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?
For a flight from Peoria to London, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Greater Peoria on a regular basis.
What are the cheapest airlines flying from Peoria, Illinois to London round-trip?
Our cheapest airline available from Peoria, Illinois to London is British Airways. Our recent data shows that you can find tickets from as low as £461 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at £464 and £517 round-trip. British Airways is priced at 34% lower than the current average price of a flight leaving 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 holiday 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, January is the cheapest month in which you can book a flight from Peoria, Illinois to London (average of £112). Flying from Peoria, Illinois to London in August is currently the most expensive (average of £164). 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

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How does Cheapflights help users find flights from Peoria to London?

When you search for this flight from Peoria to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Peoria to London?

Cheapflights helps you find that perfect flight to London from Peoria by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Peoria to London with no change fees?

Certainly. Search results for flights to London from Peoria shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Peoria to London become cheaper?

Yes, Cheapflights offers price alerts on Peoria to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Peoria, Illinois to London from £341

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

Cheap flight deals from Peoria to London

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 11 July 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 11 July 2025.

Cheapflights Fare Finder

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

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

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 11 July 2025.

Get a feel of what it's like to fly with United Airlines, American Airlines, andLufthansa from Peoria to London by reading reviews from past customers. Users have also rated airlines 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?

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?

Travelling 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Peoria to London?

Why should you use Cheapflights to find cheap flight tickets from Peoria to London?

Can Cheapflights find flights from Peoria to London with no change fees?

Can Cheapflights notify me if prices for flights from Peoria to London become cheaper?

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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 11 July 2025.