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Cheap flights from Peoria, Illinois to London from £356

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
6 May — 13 May1
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 1 May 2025.

Round-trip from

£514

One-way from

£356

Popular in

August

Cheapest in

February

Average price

£755
British Airways
  • British Airways
  • 19/8-26/8
  • 3 total stops
  • 28h 08m total
  • Peoria to London
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American Airlines
  • American Airlines
  • 22/8
  • 1 total stop
  • 14h 44m total
  • Peoria to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 1 May 2025.

Tue 19/818:38PIA - LHR
1 stop10h 17mBritish Airways
Tue 26/811:30LHR - PIA
2 stops17h 51mBritish Airways
Deal found 30/4£514
Wed 20/815:55PIA - LHR
1 stop10h 25mUnited Airlines
Tue 26/809:30LHR - PIA
2 stops30h 43mUnited Airlines
Deal found 30/4£543
Tue 19/816:15PIA - LHR
1 stop14h 30mAmerican Airlines
Tue 26/809:15LHR - PIA
1 stop14h 53mAmerican Airlines
Deal found 29/4£560
Thu 15/505:00PIA - LGW
2 stops19h 35mAmerican Airlines
Mon 26/510:40LGW - PIA
2 stops19h 16mAmerican Airlines
Deal found 30/4£742
Wed 11/611:00PIA - LCY
2 stops23h 25mMultiple Airlines
Wed 18/608:45LCY - PIA
2 stops18h 37mMultiple Airlines
Deal found 29/4£835
Thu 15/508:48PIA - LGW
1 stop17h 47mMultiple Airlines
Mon 26/515:40LGW - PIA
2 stops51h 49mMultiple Airlines
Deal found 30/4£1,125
Sun 11/516:35PIA - LHR
3 stops45h 45mMultiple Airlines
Wed 21/514:10LHR - PIA
2 stops35h 49mMultiple Airlines
Deal found 29/4£1,173
Wed 11/618:26PIA - LGW
2 stops19h 34mBritish Airways
Wed 18/611:35LGW - PIA
2 stops17h 44mBritish Airways
Deal found 29/4£1,281

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 1 May 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

16:15-12:45

1 stop14h 30m

London Heathrow

Tue 26/8

09:15-18:08

1 stop14h 53m

£560

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 20/8

20:00-06:55

1 stop28h 55m

London Heathrow

Mon 25/8

19:25-18:08

2 stops28h 43m

£561

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 19/8

10:49-10:00

2 stops17h 11m

London Heathrow

Tue 26/8

14:05-10:13

2 stops26h 08m

£573

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Thu 15/5

05:00-06:35

2 stops19h 35m

London Gatwick

Mon 26/5

10:40-23:56

2 stops19h 16m

£742

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 11/6

11:00-16:25

2 stops23h 25m

London City

Wed 18/6

08:45-21:22

2 stops18h 37m

£835

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Thu 15/5

08:48-08:35

1 stop17h 47m

London Gatwick

Mon 26/5

15:40-13:29

2 stops51h 49m

£1,125

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 11/5

16:35-20:20

3 stops45h 45m

London Heathrow

Wed 21/5

14:10-19:59

2 stops35h 49m

£1,173

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 11/6

18:26-20:00

2 stops19h 34m

London Gatwick

Wed 18/6

11:35-23:19

2 stops17h 44m

£1,281

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 22/8

10:06-06:50

1 stop14h 44m

£356

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 22/8

08:10-05:55

2 stops15h 45m

£371

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 14 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

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 1 May 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
8,696 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

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
8,696 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

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
7,045 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

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
6,842 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

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 £514 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at £543 and £560 round-trip. British Airways is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Peoria, Illinois to London one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as £356. Users have also found prices from £371 and £644 on United Airlines and Lufthansa, respectively.

  • 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

Travelling to a place near Peoria?

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

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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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