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Cheap flights from Peoria, Illinois to London from $328

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
6:15 am - 11:03 pm
LHR
-
PIA
22h 48m
2 stops
$883British Airways
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
6:15 am - 11:03 pm
LHR
-
PIA
22h 48m
2 stops
$884British Airways
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
6:15 am - 11:03 pm
LHR
-
PIA
22h 48m
2 stops
$885British Airways
Sun, Aug 23 - Tue, Sep 15
Multiple Airlines Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
Multiple Airlines Logo
7:25 pm - 11:03 pm
LHR
-
PIA
33h 38m
2 stops
$887Multiple Airlines
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 6:15 pm
PIA
-
LHR
17h 30m
2 stops
British Airways Logo
6:15 am - 11:03 pm
LHR
-
PIA
22h 48m
2 stops
$888British Airways
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
9:45 am - 5:40 pm
LHR
-
PIA
13h 55m
1 stop
$891British Airways
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
2:45 pm - 11:03 pm
LHR
-
PIA
14h 18m
1 stop
$892British Airways
Sun, Aug 23 - Tue, Sep 15
British Airways Logo
6:45 pm - 11:15 am
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
11:10 am - 12:06 am
LHR
-
PIA
18h 56m
1 stop
$893British Airways
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
6:45 pm - 12:15 pm
PIA
-
LHR
11h 30m
1 stop
Multiple Airlines Logo
6:15 am - 11:03 pm
LHR
-
PIA
22h 48m
2 stops
$905Multiple Airlines
Tue, Sep 8 - Fri, Sep 18
Multiple Airlines Logo
6:45 pm - 7:45 pm
PIA
-
LHR
19h 00m
2 stops
Multiple Airlines Logo
7:50 am - 11:03 pm
LHR
-
PIA
21h 13m
2 stops
$912Multiple Airlines
Tue, Sep 8 - Fri, Sep 18

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
Aug 12
PIA8:29 amGreater Peoria
21h 26m
1 stop
LHR11:55 amLondon Heathrow
Aug 19
LHR12:05 pmLondon Heathrow
32h 55m
2 stops
PIA3:00 pmGreater Peoria
$963
United Airlines
Aug 12
PIA3:35 pmGreater Peoria
14h 20m
1 stop
LHR11:55 amLondon Heathrow
Aug 19
LHR12:05 pmLondon Heathrow
32h 55m
2 stops
PIA3:00 pmGreater Peoria
$964
United Airlines
Aug 12
PIA5:45 amGreater Peoria
18h 45m
2 stops
LHR6:30 amLondon Heathrow
Aug 19
LHR12:05 pmLondon Heathrow
32h 55m
2 stops
PIA3:00 pmGreater Peoria
$967

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
Aug 23
PIA6:45 pmGreater Peoria
10h 30m
1 stop
LHR11:15 amLondon Heathrow
Sep 15
LHR6:15 amLondon Heathrow
22h 48m
2 stops
PIA11:03 pmGreater Peoria
$883
British Airways
Aug 23
PIA6:45 pmGreater Peoria
10h 30m
1 stop
LHR11:15 amLondon Heathrow
Sep 15
LHR6:15 amLondon Heathrow
22h 48m
2 stops
PIA11:03 pmGreater Peoria
$884
British Airways
Aug 23
PIA6:45 pmGreater Peoria
10h 30m
1 stop
LHR11:15 amLondon Heathrow
Sep 15
LHR6:15 amLondon Heathrow
22h 48m
2 stops
PIA11:03 pmGreater Peoria
$885

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 May 18, 2026.
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

Cheapest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

6:15 am-11:03 pm

2 stops22h 48m

$883

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

6:15 am-11:03 pm

2 stops22h 48m

$884

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

6:15 am-11:03 pm

2 stops22h 48m

$885

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

7:25 pm-11:03 pm

2 stops33h 38m

$887

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-6:15 pm

2 stops17h 30m

London Heathrow

Tue 9/15

6:15 am-11:03 pm

2 stops22h 48m

$888
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

9:45 am-5:40 pm

1 stop13h 55m

$891

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Tue 9/15

2:45 pm-11:03 pm

1 stop14h 18m

$892

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

6:45 pm-11:15 am

1 stop10h 30m

London Heathrow

Wed 8/19

11:10 am-12:06 am

1 stop18h 56m

$893

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 9/8

6:45 pm-12:15 pm

1 stop11h 30m

London Heathrow

Fri 9/18

6:15 am-11:03 pm

2 stops22h 48m

$905

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 9/8

6:45 pm-7:45 pm

2 stops19h 00m

London Heathrow

Fri 9/18

7:50 am-11:03 pm

2 stops21h 13m

$912

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Greater Peoria to London Heathrow?

British Airways, Aer Lingus, and United Airlines are the most popular carriers operating from Greater Peoria to London Heathrow

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

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Peoria, Illinois to London Heathrow Airport takes 9h 55m
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.
Search flight deals

Frequently asked questions about flying from Peoria, Illinois to London Heathrow Airport

  • 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 9h 55m.

  • 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
American AirlinesPriceFrom $624Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights

Traveling to a place near London?

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Stansted
Watford
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Cobham
Folkestone
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Uxbridge

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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