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$706+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
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 September 19, 2025.

Round-trip from

$719
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$745
From Greater Peoria to United Kingdom
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 19, 2025.

This American Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 9/254:20 pmPIA - LHR
1 stop14h 10mAmerican Airlines
Mon 9/299:15 amLHR - PIA
1 stop13h 23mAmerican Airlines
Deal found 9/18$706
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/174:10 pmPIA - LHR
1 stop10h 55mAmerican Airlines
Fri 10/243:10 pmLHR - PIA
1 stop14h 05mAmerican Airlines
Deal found 9/17$719
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/294:51 pmPIA - LHR
1 stop12h 09mAmerican Airlines
Wed 11/511:45 amLHR - PIA
1 stop17h 43mAmerican Airlines
Deal found 9/17$733
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/2910:51 amPIA - LHR
1 stop14h 04mUnited Airlines
Wed 11/51:00 pmLHR - PIA
2 stops27h 16mUnited Airlines
Deal found 9/17$735
This United deal was found by Cheapflights users on 9/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:20 pmPIA - LGW
2 stops23h 30mMultiple Airlines
Wed 11/56:40 pmLGW - PIA
2 stops32h 51mMultiple Airlines
Deal found 9/17$749
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Mon 11/35:18 pmPIA - LHR
2 stops31h 52mUnited Airlines
Mon 11/104:40 pmLHR - PIA
2 stops30h 00mUnited Airlines
Deal found 9/18$753
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 10/1710:48 amPIA - LHR
2 stops16h 47mUnited Airlines
Fri 10/242:05 pmLHR - PIA
2 stops32h 38mUnited Airlines
Deal found 9/18$779
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 10/163:56 pmPIA - LHR
1 stop13h 49mUnited Airlines
Thu 10/236:55 amLHR - PIA
2 stops20h 32mUnited Airlines
Deal found 9/18$787
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/21:20 pmPIA - LHR
2 stops17h 40mUnited Airlines
Sun 11/96:00 pmLHR - PIA
2 stops33h 31mUnited Airlines
Deal found 9/18$806
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/21:20 pmPIA - LHR
2 stops21h 00mUnited Airlines
Sat 11/81:30 pmLHR - PIA
2 stops31h 03mUnited Airlines
Deal found 9/18$830
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/21:20 pmPIA - LCY
2 stops17h 30mMultiple Airlines
Sat 11/812:20 pmLCY - PIA
3 stops39h 11mMultiple Airlines
Deal found 9/18$860
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:20 pmPIA - LCY
2 stops19h 15mLufthansa
Mon 9/297:10 pmLCY - PIA
2 stops26h 09mLufthansa
Deal found 9/18$1,530

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 September 19, 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

Thu 9/25

4:20 pm-12:30 pm

1 stop14h 10m

London Heathrow

Mon 9/29

9:15 am-4:38 pm

1 stop13h 23m

$706

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 11/3

4:26 pm-11:40 am

1 stop13h 14m

London Heathrow

Mon 11/10

3:45 pm-11:49 pm

1 stop14h 04m

$719

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 10/29

4:51 pm-10:00 am

1 stop12h 09m

London Heathrow

Wed 11/5

11:45 am-11:28 pm

1 stop17h 43m

$733

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 10/29

10:51 am-5:55 am

1 stop14h 04m

London Heathrow

Wed 11/5

1:00 pm-10:16 am

2 stops27h 16m

$735

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Wed 10/29

1:20 pm-5:50 pm

2 stops23h 30m

London Gatwick

Wed 11/5

6:40 pm-9:31 pm

2 stops32h 51m

$749

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 11/3

5:18 pm-5:55 am

1 stop30h 37m

London Heathrow

Mon 11/10

1:50 pm-4:40 pm

2 stops32h 50m

$753

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 10/17

6:00 am-9:35 am

2 stops21h 35m

London Heathrow

Fri 10/24

2:05 pm-4:43 pm

2 stops32h 38m

$779

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 10/23

10:48 am-6:20 am

1 stop13h 32m

London Heathrow

Fri 10/31

1:25 pm-10:16 am

2 stops25h 51m

$779

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 10/16

10:48 am-7:40 am

2 stops14h 52m

London Heathrow

Thu 10/23

6:50 am-4:43 pm

2 stops15h 53m

$796

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 11/2

1:20 pm-12:50 pm

2 stops17h 30m

London City

Sat 11/8

12:20 pm-9:31 pm

3 stops39h 11m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

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 September 19, 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
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
British Airways
6.7
Okay
7,373 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 14h 04m. Fly via American Airlines 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 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.

  • What is the cheapest month to book a flight from Peoria, Illinois to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Peoria, Illinois to United Kingdom (average of $661). Flying from Peoria, Illinois to United Kingdom in June is currently the most expensive (average of $1,097). 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

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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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$887FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$887FlexibilityNo cancel feeOn-time71%

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