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$634+ 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
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$634
(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
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($533 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($131 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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/23. 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.
Wed 12/31:15 pmPIA - LHR
2 stops11h 55mUnited Airlines
Sun 12/76:50 amLHR - PIA
2 stops15h 50mUnited Airlines
Deal found 11/23$676
This Lufthansa deal was found by Cheapflights users on 11/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:15 pmPIA - LHR
1 stop10h 40mLufthansa
Sun 12/710:25 amLHR - PIA
1 stop12h 15mLufthansa
Deal found 11/23$704
This Lufthansa deal was found by Cheapflights users on 11/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:15 pmPIA - LCY
2 stops41h 25mLufthansa
Tue 12/99:50 amLCY - PIA
2 stops41h 41mLufthansa
Deal found 11/23$2,145
This Cheapflightsfares deal was found by Cheapflights users on 11/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:19 pmPIA - LHR
2 stops21h 41mLufthansa
Sat 1/37:40 amLHR - PIA
1 stop19h 59mLufthansa
Deal found 11/24$2,335
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Sat 12/276:30 amPIA - LHR
1 stop17h 25mUnited Airlines
Sat 1/37:40 amLHR - PIA
1 stop15h 03mUnited Airlines
Deal found 11/24$2,592

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 November 26, 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

Wed 3/4

6:35 am-7:10 am

2 stops18h 35m

London Heathrow

Wed 3/11

6:50 am-4:40 pm

2 stops14h 50m

$634

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 2/6

1:24 pm-7:55 am

1 stop12h 31m

London Heathrow

Tue 2/10

6:35 am-4:43 pm

2 stops16h 08m

$655

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/9

1:24 pm-5:55 am

1 stop10h 31m

London Heathrow

Fri 1/16

1:35 pm-9:39 pm

1 stop14h 04m

$660

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 3/4

7:03 pm-11:35 am

1 stop10h 32m

London Heathrow

Wed 3/11

11:00 am-6:20 pm

1 stop12h 20m

$662

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/9

1:24 pm-11:05 am

2 stops15h 41m

London Heathrow

Fri 1/16

12:05 pm-9:39 pm

2 stops15h 34m

$716

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Fri 1/23

5:18 pm-9:15 am

2 stops57h 57m

London City

Tue 1/27

6:15 pm-9:39 pm

2 stops33h 24m

$1,725

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 12/27

5:19 pm-9:00 pm

2 stops21h 41m

London Heathrow

Sat 1/3

7:40 am-9:39 pm

1 stop19h 59m

$2,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 November 26, 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
9,046 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

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
9,046 reviews
United Airlines
7.4
Good
9,046 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

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
11,038 reviews
United Airlines
7.4
Good
9,046 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

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
7,539 reviews
United Airlines
7.4
Good
9,046 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

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 31m. Fly via United Airlines, Lufthansa, or British Airways 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 City or Greater Peoria - London Gatwick, 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 November 26, 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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