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$633+ Cheap flights from Peoria, IL (PIA) to the United Kingdom

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Cheap flight deals from Peoria to United Kingdom

Keep the following information in mind while searching for Peoria to United Kingdom flight deals. Data was last updated noviembre 6, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$633
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$801
Provider with most accurate pricing for Greater Peoria-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-London (LON) flights.
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From Greater Peoria to United Kingdom
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Highest demand for flights based on searches. 7% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Peoria to United Kingdom

Cheapest flights from Peoria to United Kingdom
Explore the most affordable flight options available from Peoria to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:45 amPIA - LHR
2 stops18h 35mUnited Airlines
dom. 12/2111:10 amLHR - PIA
2 stops35h 33mUnited Airlines
Deal found 11/6$1,015
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:52 amPIA - LHR
1 stop15h 23mAmerican Airlines
dom. 12/213:45 pmLHR - PIA
1 stop13h 43mAmerican Airlines
Deal found 11/6$1,388
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:30 amPIA - LHR
2 stops20h 00mUnited Airlines
sáb. 1/31:25 pmLHR - PIA
2 stops33h 18mUnited Airlines
Deal found 11/5$1,439
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/191:20 pmPIA - LHR
1 stop10h 35mUnited Airlines
vie. 12/266:30 amLHR - PIA
2 stops16h 13mUnited Airlines
Deal found 11/4$1,454
This Air Canada deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:30 amPIA - LHR
2 stops18h 00mMultiple Airlines
sáb. 1/311:10 amLHR - PIA
2 stops16h 29mMultiple Airlines
Deal found 11/4$1,889

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to United Kingdom 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 2,558,603 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Peoria to the United Kingdom that are best for you.

Fly from

Peoria

Fly to

United Kingdom

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 3/4

6:35 am-7:10 am

2 stops18h 35m

London Heathrow

mié. 3/11

6:35 am-9:01 pm

2 stops19h 26m

$633

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

mié. 3/4

7:03 pm-11:35 am

1 stop10h 32m

London Heathrow

mié. 3/11

12:35 pm-9:25 pm

1 stop13h 50m

$662

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 1/23

3:00 pm-11:15 am

1 stop14h 15m

London Heathrow

lun. 2/2

1:45 pm-9:39 pm

2 stops37h 54m

$684

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 3/27

2:45 pm-11:20 am

2 stops15h 35m

London Heathrow

mar. 3/31

6:50 am-9:16 pm

2 stops20h 26m

$691

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 1/23

5:16 pm-11:35 am

1 stop12h 19m

London Heathrow

lun. 2/2

11:00 am-10:21 pm

1 stop17h 21m

$762

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

vie. 3/27

5:30 pm-5:35 pm

2 stops43h 05m

London City

mar. 3/31

9:15 am-8:46 pm

2 stops41h 31m

$941

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

vie. 3/27

4:52 pm-11:35 am

1 stop13h 43m

London Heathrow

mar. 3/31

2:25 pm-9:25 pm

1 stop13h 00m

$971

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

vie. 3/27

4:52 pm-5:45 am

2 stops55h 53m

London Gatwick

mar. 3/31

2:30 pm-9:25 pm

2 stops36h 55m

$1,264

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Best time to book a flight from Peoria to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Peoria with our price prediction graph.
Estimated round-trip 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 the United Kingdom
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated noviembre 6, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and British Airways from Peoria to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,041 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,496 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Peoria to United Kingdom. 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 United Kingdom?

    Located just 6.0 mi from the city center, Greater Peoria (PIA) is the airport most travelers will use when flying to United Kingdom from Peoria.

  • How long is the flight from Peoria, Illinois to United Kingdom?

    There are many flights that can get you from Peoria, Illinois to United Kingdom in 10h 32m. Fly via United Airlines, British Airways, or Lufthansa to get the fastest option. The distance from Peoria, Illinois to United Kingdom is about 4069 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Peoria, Illinois to United Kingdom?

    While some choose either Greater Peoria - London Gatwick or Greater Peoria - London City, Greater Peoria - London Heathrow is the most popular route from Peoria, Illinois to United Kingdom.

  • Can I find deals for flights from Peoria to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Peoria to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to United Kingdom.

  • Can I find deals for business class flights from Peoria to United Kingdom?

    Yes. Cheapflights offers flight deals from Peoria to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 3 airlines flying from Peoria to United Kingdom

Discover the top 3 airlines that operate flights from Peoria to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$906FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$911FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$885FlexibilityNo cancel feeOn-time71%

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