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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.
PIA — LON
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Peoria to London

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.

Round-trip from

£461

One-way from

£341

Popular in

August

Cheapest in

February

Average price

£840
British Airways
  • British Airways
  • 19/8-26/8
  • 3 total stops
  • 27h 50m total
  • Peoria to London
British Airways
  • British Airways
  • 22/8
  • 1 total stop
  • 10h 15m total
  • Peoria to London
Highest demand for flights based on searches. 21% potential increase in price (£141 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£44 potential savings vs. average return price).
Average for round-trip flights in July 2025

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

Cheapflights Fare Finder

Customise your flight search to find flights from Peoria to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Peoria to London that are best for you.

Fly from

Peoria

Fly to

London

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
1
2

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 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.

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Overall

7.4

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??

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Overall

7.4

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??

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Overall

7.4

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??

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Overall

7.4

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??

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Overall

7.4

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

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?

    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?

  • 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

Travelling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

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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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