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Cheap flights from Peoria, Illinois to London from £455

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
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

£586

One-way from

£455

Popular in

March

Cheapest in

April

Average price

£1,260
United Airlines
  • United Airlines
  • 23/4-29/4
  • 3 total stops
  • 43h 14m total
  • Peoria to London
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British Airways
  • British Airways
  • 22/8
  • 1 total stop
  • 10h 03m total
  • Peoria to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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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 31 March 2025.

Wed 23/410:58PIA - LHR
1 stop13h 22mUnited Airlines
Tue 29/414:05LHR - PIA
2 stops29h 52mUnited Airlines
Deal found 31/3£586
Tue 19/818:27PIA - LHR
1 stop10h 03mBritish Airways
Tue 26/806:10LHR - PIA
2 stops17h 47mBritish Airways
Deal found 30/3£624
Wed 23/417:16PIA - LHR
1 stop12h 59mAmerican Airlines
Tue 29/411:05LHR - PIA
1 stop11h 40mAmerican Airlines
Deal found 30/3£634
Thu 15/514:36PIA - LCY
2 stops21h 59mMultiple Airlines
Thu 22/519:20LCY - PIA
2 stops27h 22mMultiple Airlines
Deal found 31/3£743
Wed 23/417:16PIA - LGW
2 stops35h 34mBritish Airways
Tue 29/420:40LGW - PIA
2 stops26h 05mBritish Airways
Deal found 30/3£776
Wed 23/417:21PIA - LCY
2 stops17h 04mLufthansa
Tue 29/408:45LCY - PIA
2 stops18h 48mLufthansa
Deal found 30/3£795
Fri 4/705:00PIA - LGW
2 stops21h 10mAmerican Airlines
Sat 26/714:30LGW - PIA
2 stops25h 10mAmerican Airlines
Deal found 30/3£953
Thu 4/917:19PIA - LHR
1 stop12h 26mMultiple Airlines
Thu 11/914:10LHR - PIA
1 stop14h 05mMultiple Airlines
Deal found 30/3£1,989
Fri 4/715:39PIA - LGW
3 stops20h 11mMultiple Airlines
Sat 26/718:40LGW - PIA
2 stops26h 23mMultiple Airlines
Deal found 30/3£3,371

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 31 March 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

Wed 23/4

10:58-06:20

1 stop13h 22m

London Heathrow

Tue 29/4

14:05-13:57

2 stops29h 52m

£586

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 19/8

18:27-10:30

1 stop10h 03m

London Heathrow

Tue 26/8

06:10-17:57

2 stops17h 47m

£624

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 23/4

17:16-12:15

1 stop12h 59m

London Heathrow

Tue 29/4

11:05-16:45

1 stop11h 40m

£634

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 15/5

14:36-18:35

2 stops21h 59m

London City

Thu 22/5

19:20-16:42

2 stops27h 22m

£743

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 23/4

17:16-10:50

2 stops35h 34m

London Gatwick

Tue 29/4

20:40-16:45

2 stops26h 05m

£776

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 23/4

17:21-16:25

2 stops17h 04m

London City

Tue 29/4

08:45-21:33

2 stops18h 48m

£795

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 4/7

05:00-08:10

2 stops21h 10m

London Gatwick

Sat 26/7

14:30-09:40

2 stops25h 10m

£953

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 4/9

17:19-11:45

1 stop12h 26m

London Heathrow

Thu 11/9

14:10-22:15

1 stop14h 05m

£1,989

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Fri 4/7

15:39-17:50

3 stops20h 11m

London Gatwick

Sat 26/7

18:40-15:03

2 stops26h 23m

£3,371

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 22/8

18:27-10:30

1 stop10h 03m

£455

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

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.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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).

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 31 March 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Lufthansa from Peoria to London to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,614 reviews
Check prices

Entertainment

7.0

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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
8,614 reviews
United Airlines
7.4
Good
8,614 reviews
Check prices

Entertainment

7.0

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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
8,614 reviews
Check prices

Entertainment

7.0

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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
6.7
Okay
6,961 reviews
United Airlines
7.4
Good
8,614 reviews
Check prices

Entertainment

7.0

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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
6,713 reviews
United Airlines
7.4
Good
8,614 reviews
Check prices

Entertainment

7.0

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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 United Airlines. Our recent data shows that you can find tickets from as low as £586 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at £624 and £634 round-trip. United Airlines is priced at 22% 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 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 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
Deal
Milton Keynes
Gatwick
Luton
Croydon
Slough
Eastbourne
Wembley
Crawley
Winchester
Southend-on-Sea
Maidstone
Hayes
Ipswich
Ilford
Southall
Dartford
Watford
Folkestone

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Fly with Cheapflights

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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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