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$614+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/146:45 amPIA - LHR
2 stops17h 35mUnited Airlines
Sun 12/2112:05 pmLHR - PIA
2 stops15h 34mUnited Airlines
Deal found 12/13$964
This Billigflug deal was found by Cheapflights users on 12/13. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:15 pmPIA - LHR
1 stop12h 00mLufthansa
Sun 12/217:40 amLHR - PIA
1 stop19h 59mLufthansa
Deal found 12/13$993
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:40 pmPIA - LGW
2 stops57h 05mMultiple Airlines
Sun 12/212:10 pmLGW - PIA
1 stop35h 12mMultiple Airlines
Deal found 12/13$2,281
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 stops19h 16mLufthansa
Sat 1/38:30 amLHR - PIA
2 stops19h 09mLufthansa
Deal found 12/13$2,418
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Sat 12/276:25 pmPIA - LHR
1 stop11h 35mAmerican Airlines
Sat 1/311:45 amLHR - PIA
1 stop18h 11mAmerican Airlines
Deal found 12/13$2,503
This United Airlines deal was found by Cheapflights users on 12/14. 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 stop19h 25mUnited Airlines
Sat 1/37:40 amLHR - PIA
1 stop19h 59mUnited Airlines
Deal found 12/14$2,628

Find 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 December 15, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$614
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$2,350
Provider with most accurate pricing for Greater Peoria-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-London (LON) flights.
Search Deals
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).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($131 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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 1/28

5:18 pm-11:15 am

1 stop11h 57m

London Heathrow

Wed 2/4

7:25 am-4:43 pm

1 stop15h 18m

$614

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 1/29

5:18 pm-11:15 am

1 stop11h 57m

London Heathrow

Thu 2/5

7:40 am-4:43 pm

2 stops15h 03m

$621

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 1/28

1:24 pm-11:15 am

1 stop15h 51m

London Heathrow

Wed 2/4

11:05 am-9:39 pm

2 stops16h 34m

$637

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 3/3

6:35 am-7:55 am

1 stop19h 20m

London Heathrow

Tue 3/17

6:50 am-9:21 pm

2 stops19h 31m

$637

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 3/15

5:25 pm-5:55 am

1 stop31h 30m

London Heathrow

Mon 3/30

12:10 pm-10:02 am

2 stops51h 52m

$648

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 2/11

3:00 pm-11:15 am

1 stop14h 15m

London Heathrow

Sun 2/15

6:50 am-4:50 pm

2 stops16h 00m

$686

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 3/15

2:50 pm-5:40 pm

2 stops21h 50m

London City

Mon 3/30

7:10 pm-4:45 pm

2 stops27h 35m

$714

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 1/29

1:24 pm-9:20 am

2 stops13h 56m

London City

Thu 2/5

6:15 pm-9:39 pm

2 stops33h 24m

$764

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Wed 1/28

5:18 pm-9:20 am

2 stops34h 02m

London City

Wed 2/4

6:10 pm-9:39 pm

2 stops33h 29m

$939

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 6/7

6:34 pm-4:30 pm

2 stops15h 56m

London City

Sun 6/21

4:20 pm-5:37 pm

2 stops31h 17m

$1,852

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 11 results
1
2

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 December 15, 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
9,092 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,051 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,574 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 11h 57m. Fly via Lufthansa or United Airlines 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 December 15, 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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