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Cheap flights from Peoria, Illinois to London from £597

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LON
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£597

Popular in

March

Cheapest in

April

Average price

£581
Lufthansa
  • Lufthansa
  • 5/4-12/4
  • 4 total stops
  • 65h 27m total
  • Peoria to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£154 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 2025.

Sat 5/417:21PIA - LHR
2 stops34h 19mLufthansa
Sat 12/420:25LHR - PIA
2 stops31h 08mLufthansa
Deal found 20/2£597
Sat 5/417:16PIA - LHR
1 stop31h 34mBritish Airways
Sat 12/419:25LHR - PIA
2 stops27h 20mBritish Airways
Deal found 20/2£612
Sat 22/311:01PIA - LHR
2 stops18h 49mUnited Airlines
Sat 29/315:00LHR - PIA
2 stops35h 33mUnited Airlines
Deal found 19/2£619
Sat 22/315:33PIA - LHR
1 stop13h 07mAmerican Airlines
Sat 29/309:25LHR - PIA
1 stop16h 53mAmerican Airlines
Deal found 19/2£832
Wed 4/617:25PIA - LCY
2 stops17h 00mLufthansa
Thu 19/608:45LCY - PIA
2 stops42h 37mLufthansa
Deal found 20/2£985
Wed 4/620:45PIA - LHR
3 stops40h 05mMultiple Airlines
Thu 19/607:40LHR - PIA
3 stops37h 18mMultiple Airlines
Deal found 20/2£990
Fri 4/707:25PIA - LGW
2 stops17h 10mAmerican Airlines
Sat 26/715:05LGW - PIA
2 stops30h 10mAmerican Airlines
Deal found 20/2£1,156

Find flights from Peoria to London within your budget

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 21 February 2025.

Fly from

Peoria

Fly to

London

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 5/4

17:21-09:40

2 stops34h 19m

London Heathrow

Sat 12/4

20:25-21:33

2 stops31h 08m

£597

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 5/4

17:16-06:50

1 stop31h 34m

London Heathrow

Sat 12/4

19:25-16:45

2 stops27h 20m

£612

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 22/3

11:01-10:50

2 stops18h 49m

London Heathrow

Sat 29/3

15:00-21:33

2 stops35h 33m

£619

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 22/3

15:33-09:40

1 stop13h 07m

London Heathrow

Sat 29/3

09:25-21:18

1 stop16h 53m

£832

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 5/4

10:58-15:40

2 stops22h 42m

London Heathrow

Sat 12/4

07:40-17:17

3 stops39h 37m

£1,119

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Mon 24/2

17:20-17:40

2 stops18h 20m

London City

Fri 28/2

18:15-21:46

2 stops33h 31m

£2,005

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Peoria to London

Get recent, data-driven insights about flights from Peoria to London including ideal travel times, pricing trends, and more.

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 21 February 2025.
United Airlines
7.4
Good
8,759 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,759 reviews
United Airlines
7.4
Good
8,759 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,759 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,986 reviews
United Airlines
7.4
Good
8,759 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

British Airways
6.6
Okay
6,762 reviews
United Airlines
7.4
Good
8,759 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 Lufthansa. Our recent data shows that you can find tickets from as low as £597 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at £612 and £619 round-trip. Lufthansa is priced at 27% 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 £163). 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
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford
Dartford
Stansted

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Alternative routes for Peoria to London

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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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