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Cheap flights from London Heathrow Airport to Peoria from £552

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Peoria departing on 16/8. 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 London Heathrow Airport to Peoria

Cheap return flights

United Airlines Logo
07:25 - 20:52LHR-PIA
19h 27m2 stops
United Airlines Logo
08:10 - 06:55PIA-LHR
16h 45m2 stops
£702United Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
United Airlines Logo
07:25 - 16:43LHR-PIA
15h 18m2 stops
United Airlines Logo
10:49 - 07:15PIA-LHR
14h 26m2 stops
£704United Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
09:15 - 16:43LHR-PIA
13h 28m1 stop
Logo
08:10 - 07:20PIA-LHR
17h 10m1 stop
£708
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
14:10 - 20:52LHR-PIA
12h 42m1 stop
United Airlines Logo
15:55 - 11:45PIA-LHR
13h 50m1 stop
£726United Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Logo
08:50 - 17:40LHR-PIA
38h 50m2 stops
Logo
21:23 - 14:40PIA-LHR
35h 17m1 stop
£1,103
Find Deal
Sun, 17 Aug - Thu, 21 Aug
Logo
06:55 - 20:52LHR-PIA
19h 57m2 stops
Logo
10:49 - 17:40PIA-LHR
24h 51m3 stops
£1,470
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
07:00 - 20:52LHR-PIA
19h 52m3 stops
Logo
10:49 - 17:40PIA-LHR
24h 51m3 stops
£1,525
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
16:25 - 15:03LHR-PIA
28h 38m2 stops
United Airlines Logo
15:55 - 11:25PIA-LHR
13h 30m2 stops
£1,614United Airlines
Find Deal
Sun, 17 Aug - Thu, 21 Aug
Lufthansa Logo
11:05 - 16:43LHR-PIA
11h 38m1 stop
Lufthansa Logo
10:49 - 11:45PIA-LHR
18h 56m1 stop
£1,628Lufthansa
Find Deal
Sun, 17 Aug - Thu, 21 Aug

United Airlines flights from London Heathrow Airport to Peoria, Illinois

Our best United Airlines deals on London Heathrow Airport to Peoria, Illinois flight tickets
United Airlines
14 Sept
LHR07:25London Heathrow
19h 27m
2 stops
PIA20:52Greater Peoria
21 Sept
PIA08:10Greater Peoria
16h 45m
2 stops
LHR06:55London Heathrow
£702
Find similar
United Airlines
13 Sept
LHR07:25London Heathrow
15h 18m
2 stops
PIA16:43Greater Peoria
20 Sept
PIA10:49Greater Peoria
14h 26m
2 stops
LHR07:15London Heathrow
£704
Find similar
United Airlines
14 Sept
LHR14:10London Heathrow
12h 42m
1 stop
PIA20:52Greater Peoria
21 Sept
PIA15:55Greater Peoria
13h 50m
1 stop
LHR11:45London Heathrow
£726
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Peoria, Illinois 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Peoria, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 14/9

07:25-20:52

2 stops19h 27m

Greater Peoria

Sun 21/9

08:10-06:55

2 stops16h 45m

£702

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 13/9

07:25-16:43

2 stops15h 18m

Greater Peoria

Sat 20/9

10:49-07:15

2 stops14h 26m

£704

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 13/9

09:15-16:43

1 stop13h 28m

Greater Peoria

Sat 20/9

08:10-07:20

1 stop17h 10m

£708

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 14/9

14:10-20:52

1 stop12h 42m

Greater Peoria

Sun 21/9

15:55-11:45

1 stop13h 50m

£726

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 17/8

08:50-17:40

2 stops38h 50m

Greater Peoria

Thu 21/8

21:23-14:40

1 stop35h 17m

£1,103

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 13/9

06:55-20:52

2 stops19h 57m

Greater Peoria

Sat 20/9

10:49-17:40

3 stops24h 51m

£1,470

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 13/9

07:00-20:52

3 stops19h 52m

Greater Peoria

Sat 20/9

10:49-17:40

3 stops24h 51m

£1,525

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 17/8

16:25-15:03

2 stops28h 38m

Greater Peoria

Thu 21/8

15:55-11:25

2 stops13h 30m

£1,614

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sun 17/8

11:05-16:43

1 stop11h 38m

Greater Peoria

Thu 21/8

10:49-11:45

1 stop18h 56m

£1,628

LondonPeoria

LHR - PIA

LHRPIA

London Heathrow

Sat 16/8

21:25-17:40

2 stops50h 15m

£552

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Peoria from

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

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 Peoria, Illinois?

According to our data, Sunday is the cheapest day to fly to Peoria, Illinois from London Heathrow Airport. The lowest ticket price found for a Sunday departure recently was £485. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Peoria, Illinois on a Thursday will generally be more expensive and average around £925. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Peoria, Illinois?

The cheapest time of day to fly to Peoria, Illinois is at midday when flights can be purchased for as low as £685. Flights in the afternoon are often more expensive, with an average ticket price of £830.

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

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

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

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

Best price found

£552

Fastest flight time

11h 38m

Direct flights

None

Airports in Peoria, Illinois

1 airport
The best one-way flight to Peoria, Illinois from London Heathrow Airport in the past 72 hours is £552. The best return flight deal from London Heathrow Airport to Peoria, Illinois found on momondo in the last 72 hours is £702.
The fastest flight from London Heathrow Airport to Peoria, Illinois takes 11h 38m
There are no direct flights from London Heathrow Airport to Peoria, Illinois. Popular non-direct route for this connection is London Heathrow Airport - Greater Peoria Airport.
There is 1 airport near Peoria, Illinois: Greater Peoria (PIA)
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  • How far is London Heathrow to Greater Peoria by plane?

    Greater Peoria is 4063.6 mi away from London Heathrow. 11h 38m is a normal flight duration for this route.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Greater Peoria Airport.

  • What documentation or ID do you need to fly to Greater Peoria Airport?

    The travel and health documents required for your trip to Greater Peoria Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Greater Peoria Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Peoria . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for London to Peoria flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Peoria from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of London to Peoria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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