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Cheap flights from Peoria, Illinois to London from $408

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to London departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Peoria, Illinois to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:30 pm - 11:15 amPIA-LHR
13h 45m1 stop
United Airlines Logo
6:50 am - 4:40 pmLHR-PIA
15h 50m2 stops
$680United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
United Airlines Logo
3:30 pm - 11:05 amPIA-LHR
13h 35m2 stops
United Airlines Logo
6:50 am - 4:40 pmLHR-PIA
15h 50m2 stops
$685United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
British Airways Logo
5:05 pm - 11:35 amPIA-LHR
12h 30m1 stop
British Airways Logo
11:00 am - 9:25 pmLHR-PIA
15h 25m1 stop
$717British Airways
Find Deal
Fri, Mar 6 - Fri, Mar 13
British Airways Logo
4:52 pm - 11:15 amPIA-LHR
12h 23m1 stop
British Airways Logo
1:10 pm - 9:28 pmLHR-PIA
14h 18m1 stop
$732British Airways
Find Deal
Fri, Apr 3 - Fri, Apr 10
Multiple Airlines Logo
5:05 pm - 11:35 amPIA-LHR
12h 30m1 stop
Multiple Airlines Logo
6:15 am - 9:25 pmLHR-PIA
20h 10m2 stops
$734Multiple Airlines
Find Deal
Fri, Mar 6 - Fri, Mar 13
American Airlines Logo
5:29 pm - 12:00 pmPIA-LHR
12h 31m1 stop
American Airlines Logo
11:00 am - 10:21 pmLHR-PIA
17h 21m1 stop
$768American Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
Lufthansa Logo
5:19 pm - 10:55 pmPIA-LHR
23h 36m2 stops
Lufthansa Logo
7:30 pm - 4:43 pmLHR-PIA
27h 13m2 stops
$990Lufthansa
Find Deal
Tue, Dec 23 - Tue, Jan 6
Multiple Airlines Logo
1:20 pm - 7:10 amPIA-LHR
11h 50m2 stops
Multiple Airlines Logo
6:00 pm - 10:10 amLHR-PIA
22h 10m2 stops
$1,088Multiple Airlines
Find Deal
Fri, Jan 2 - Fri, Jan 16
Lufthansa Logo
5:23 pm - 5:05 pmPIA-LHR
17h 42m2 stops
Lufthansa Logo
6:30 am - 4:40 pmLHR-PIA
16h 10m2 stops
$1,153Lufthansa
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Fri, Nov 21 - Fri, Nov 28
American Airlines Logo
10:40 am - 10:00 amPIA-LHR
17h 20m1 stop
American Airlines Logo
2:45 pm - 11:56 pmLHR-PIA
15h 11m1 stop
$2,005American Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3

United Airlines flights from Peoria, Illinois to London Heathrow Airport

Our best United Airlines deals on Peoria, Illinois to London Heathrow Airport flight tickets
United Airlines
Nov 16
PIA3:30 pmGreater Peoria
13h 45m
1 stop
LHR11:15 amLondon Heathrow
Nov 23
LHR6:50 amLondon Heathrow
15h 50m
2 stops
PIA4:40 pmGreater Peoria
$680
Find similar
United Airlines
Nov 16
PIA3:30 pmGreater Peoria
13h 35m
2 stops
LHR11:05 amLondon Heathrow
Nov 23
LHR6:50 amLondon Heathrow
15h 50m
2 stops
PIA4:40 pmGreater Peoria
$685
Find similar
United Airlines
Mar 27
PIA2:45 pmGreater Peoria
15h 35m
2 stops
LHR11:20 amLondon Heathrow
Mar 31
LHR6:50 amLondon Heathrow
15h 41m
2 stops
PIA4:31 pmGreater Peoria
$694
Find similar

British Airways flights from Peoria, Illinois to London Heathrow Airport

Our best British Airways deals on Peoria, Illinois to London Heathrow Airport flight tickets
British Airways
Mar 6
PIA5:05 pmGreater Peoria
12h 30m
1 stop
LHR11:35 amLondon Heathrow
Mar 13
LHR11:00 amLondon Heathrow
15h 25m
1 stop
PIA9:25 pmGreater Peoria
$717
Find similar
British Airways
Apr 3
PIA4:52 pmGreater Peoria
12h 23m
1 stop
LHR11:15 amLondon Heathrow
Apr 10
LHR1:10 pmLondon Heathrow
14h 18m
1 stop
PIA9:28 pmGreater Peoria
$732
Find similar
British Airways
Oct 23
PIA8:10 pmGreater Peoria
10h 05m
1 stop
LHR12:15 pmLondon Heathrow
Oct 28
LHR10:15 amLondon Heathrow
14h 25m
2 stops
PIA7:40 pmGreater Peoria
$1,810
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Peoria, Illinois to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 11/16

3:30 pm-11:15 am

1 stop13h 45m

London Heathrow

Sun 11/23

6:50 am-4:40 pm

2 stops15h 50m

$680

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 11/16

3:30 pm-11:05 am

2 stops13h 35m

London Heathrow

Sun 11/23

6:50 am-4:40 pm

2 stops15h 50m

$685

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 3/6

5:05 pm-11:35 am

1 stop12h 30m

London Heathrow

Fri 3/13

11:00 am-9:25 pm

1 stop15h 25m

$717

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 4/3

4:52 pm-11:15 am

1 stop12h 23m

London Heathrow

Fri 4/10

1:10 pm-9:28 pm

1 stop14h 18m

$732

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 3/6

5:05 pm-11:35 am

1 stop12h 30m

London Heathrow

Fri 3/13

6:15 am-9:25 pm

2 stops20h 10m

$734

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 1/24

5:29 pm-12:00 pm

1 stop12h 31m

London Heathrow

Sat 1/31

11:00 am-10:21 pm

1 stop17h 21m

$768

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 12/23

5:19 pm-10:55 pm

2 stops23h 36m

London Heathrow

Tue 1/6

7:30 pm-4:43 pm

2 stops27h 13m

$990

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/2

1:20 pm-7:10 am

2 stops11h 50m

London Heathrow

Fri 1/16

6:00 pm-10:10 am

2 stops22h 10m

$1,088

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 11/21

5:23 pm-5:05 pm

2 stops17h 42m

London Heathrow

Fri 11/28

6:30 am-4:40 pm

2 stops16h 10m

$1,153

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sat 12/27

10:40 am-10:00 am

1 stop17h 20m

London Heathrow

Sat 1/3

2:45 pm-11:56 pm

1 stop15h 11m

$2,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Peoria, Illinois to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $836. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $1,098.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Peoria, Illinois to London Heathrow Airport in the morning for as low as $852. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $920.

When to book flights from Peoria, Illinois to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Peoria, Illinois to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Peoria, Illinois to London Heathrow Airport (PIA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to London Heathrow Airport

Direct flights

None
There are no direct flights from Peoria, Illinois to London Heathrow Airport. There are no popular flight routes from Peoria, Illinois to London Heathrow Airport.
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  • How far is Greater Peoria to London Heathrow by plane?

    The distance between Greater Peoria and London Heathrow is about 4063.6 mi. By plane, this route typically takes 10h 25m.

  • When did momondo last update prices for flights from Greater Peoria Airport to London Heathrow Airport?

    Prices for flights from Greater Peoria Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Greater Peoria Airport to London Heathrow Airport?

  • How old do you have to be to fly from Greater Peoria Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Peoria, Illinois to London Heathrow Airport?

Best airlines flying from Peoria, Illinois to London Heathrow Airport

Compare and see reviews for airlines that fly from Peoria, Illinois to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $729Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
8,992 reviews
Search United Airlines flights
American AirlinesPriceFrom $743Free CancellationRating
7.2
11,027 reviews
Search American Airlines flights

Traveling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Peoria to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Peoria to London for you.

Can I find flights from Peoria to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Peoria which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Peoria to London?

Once you have performed a search for Peoria to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Peoria to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Peoria to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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