HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$741+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 20, 2025.

Round-trip from

$741
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,000
From Greater Peoria to United Kingdom
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($182 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 August 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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 9/213:55 pmPIA - LHR
2 stops12h 45mUnited Airlines
Tue 9/306:50 amLHR - PIA
2 stops15h 53mUnited Airlines
Deal found 8/20$741
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/214:20 pmPIA - LHR
1 stop14h 10mAmerican Airlines
Tue 9/309:15 amLHR - PIA
1 stop13h 23mAmerican Airlines
Deal found 8/20$750
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/1210:45 amPIA - LHR
1 stop15h 30mAmerican Airlines
Wed 11/1911:45 amLHR - PIA
1 stop17h 43mAmerican Airlines
Deal found 8/19$751
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:25 pmPIA - LHR
1 stop10h 05mBritish Airways
Fri 10/106:15 amLHR - PIA
2 stops19h 25mBritish Airways
Deal found 8/19$772
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/126:45 amPIA - LHR
1 stop19h 10mUnited Airlines
Wed 11/199:00 amLHR - PIA
2 stops33h 39mUnited Airlines
Deal found 8/19$788
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:25 pmPIA - LHR
1 stop11h 50mBritish Airways
Thu 10/97:30 pmLHR - PIA
2 stops30h 10mBritish Airways
Deal found 8/18$792
This American Airlines deal was found by Cheapflights users on 8/19. 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 10/33:34 pmPIA - LHR
1 stop14h 56mAmerican Airlines
Fri 10/109:15 amLHR - PIA
1 stop12h 53mAmerican Airlines
Deal found 8/19$800
This American Airlines deal was found by Cheapflights users on 8/18. 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 10/29:54 amPIA - LHR
1 stop17h 11mAmerican Airlines
Thu 10/93:00 pmLHR - PIA
1 stop15h 22mAmerican Airlines
Deal found 8/18$802
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/43:56 pmPIA - LHR
2 stops35h 39mUnited Airlines
Sat 10/111:45 pmLHR - PIA
2 stops32h 58mUnited Airlines
Deal found 8/20$811
This American Airlines deal was found by Cheapflights users on 8/20. 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 10/411:24 amPIA - LHR
1 stop13h 01mAmerican Airlines
Sat 10/119:15 amLHR - PIA
1 stop12h 53mAmerican Airlines
Deal found 8/20$851
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/28:10 amPIA - LCY
2 stops22h 20mMultiple Airlines
Thu 10/98:45 amLCY - PIA
3 stops19h 30mMultiple Airlines
Deal found 8/18$924
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:19 pmPIA - LCY
2 stops17h 06mLufthansa
Tue 9/237:10 pmLCY - PIA
2 stops27h 33mLufthansa
Deal found 8/18$990

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 August 20, 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

Sun 9/21

3:55 pm-10:40 am

2 stops12h 45m

London Heathrow

Tue 9/30

6:50 am-4:43 pm

2 stops15h 53m

$741

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 9/21

4:20 pm-12:30 pm

1 stop14h 10m

London Heathrow

Tue 9/30

9:15 am-4:38 pm

1 stop13h 23m

$750

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 11/12

10:45 am-8:15 am

1 stop15h 30m

London Heathrow

Wed 11/19

11:45 am-11:28 pm

1 stop17h 43m

$751

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 10/3

6:25 pm-10:30 am

1 stop10h 05m

London Heathrow

Fri 10/10

6:15 am-7:40 pm

2 stops19h 25m

$772

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 11/12

6:45 am-7:55 am

1 stop19h 10m

London Heathrow

Wed 11/19

9:00 am-12:39 pm

2 stops33h 39m

$788

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 10/2

6:25 pm-12:15 pm

1 stop11h 50m

London Heathrow

Thu 10/9

7:30 pm-7:40 pm

2 stops30h 10m

$792

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 10/3

3:34 pm-12:30 pm

1 stop14h 56m

London Heathrow

Fri 10/10

9:15 am-4:08 pm

1 stop12h 53m

$800

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Thu 10/2

9:54 am-9:05 am

1 stop17h 11m

London Heathrow

Thu 10/9

3:00 pm-12:22 am

1 stop15h 22m

$802

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 10/4

3:56 pm-9:35 am

2 stops35h 39m

London Heathrow

Sat 10/11

1:45 pm-4:43 pm

2 stops32h 58m

$811

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Thu 10/2

8:10 am-12:30 pm

2 stops22h 20m

London City

Thu 10/9

8:45 am-10:15 pm

3 stops19h 30m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 23 results
1
2
3

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 August 20, 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
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
6.7
Okay
7,289 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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 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 05m. Fly via United Airlines, American Airlines, 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Madrid flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Dublin flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Athens flights
O'Hare Intl to London City flights
O'Hare Intl to Orly flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Lisbon flights
O'Hare Intl to Barcelona-El Prat flights
Midway to Heathrow flights
O'Hare Intl to Munich flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Stansted flights
Midway to Leonardo da Vinci/Fiumicino flights
Midway to Charles de Gaulle flights
O'Hare Intl to Luton flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Granadilla flights
O'Hare Intl to Zurich flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Krakow flights
Midway to Madrid flights
Midway to Dublin flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Berlin flights
O'Hare Intl to Sabiha Gokcen flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Beauvais-Tille flights
O'Hare Intl to Vienna flights
O'Hare Intl to Linate flights
O'Hare Intl to Naples flights
Midway to Athens flights
O'Hare Intl to Las Palmas de Gran Canaria flights
Midway to Keflavik Intl flights
O'Hare Intl to Arrecife flights
St. Louis to Heathrow flights
Midway to Barcelona-El Prat flights
Midway to Lisbon flights
O'Hare Intl to Prague flights
O'Hare Intl to Dubrovnik flights
St. Louis to Frankfurt flights
Midway to Frankfurt flights
Midway to Bruxelles-National flights

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$739Average$887FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$743Average$887FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.