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Cheap flights from London Heathrow Airport to Peoria from £631

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 23/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Peoria

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:30 - 20:59LHR  London Heathrow-PIA Greater Peoria
19h 29m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
10:43 - 08:30PIA  Greater Peoria-LHR London Heathrow
15h 47m1 stop Chicago O'Hare Intl
£786United Airlines
Mon, 21 Sep - Mon, 28 Sep
United Airlines Logo
06:50 - 17:28LHR  London Heathrow-PIA Greater Peoria
16h 38m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
United Airlines Logo
10:43 - 06:55PIA  Greater Peoria-LHR London Heathrow
14h 12m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
£788United Airlines
Mon, 21 Sep - Mon, 28 Sep
United Airlines Logo
09:30 - 23:13LHR  London Heathrow-PIA Greater Peoria
19h 43m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
16:05 - 11:55PIA  Greater Peoria-LHR London Heathrow
13h 50m1 stop Chicago O'Hare Intl
£788United Airlines
Wed, 23 Sep - Wed, 30 Sep
Lufthansa Logo
20:25 - 19:03LHR  London Heathrow-PIA Greater Peoria
28h 38m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
Lufthansa Logo
18:39 - 11:55PIA  Greater Peoria-LHR London Heathrow
11h 16m1 stop Chicago O'Hare Intl
£793Lufthansa
Fri, 4 Sep - Thu, 10 Sep
Lufthansa Logo
11:05 - 22:43LHR  London Heathrow-PIA Greater Peoria
17h 38m1 stop Chicago O'Hare Intl
Lufthansa Logo
18:39 - 11:55PIA  Greater Peoria-LHR London Heathrow
11h 16m1 stop Chicago O'Hare Intl
£808Lufthansa
Fri, 4 Sep - Thu, 10 Sep
United Airlines Logo
11:05 - 17:28LHR  London Heathrow-PIA Greater Peoria
12h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
06:15 - 06:45PIA  Greater Peoria-LHR London Heathrow
18h 30m1 stop Chicago O'Hare Intl
£810United Airlines
Mon, 21 Sep - Mon, 28 Sep
United Airlines Logo
11:05 - 16:58LHR  London Heathrow-PIA Greater Peoria
11h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
06:15 - 08:30PIA  Greater Peoria-LHR London Heathrow
20h 15m1 stop Chicago O'Hare Intl
£812United Airlines
Wed, 23 Sep - Wed, 30 Sep
United Airlines Logo
09:00 - 21:00LHR  London Heathrow-PIA Greater Peoria
18h 00m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
20:25 - 07:40PIA  Greater Peoria-LHR London Heathrow
29h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
£813United Airlines
Thu, 3 Dec - Sun, 6 Dec
United Airlines Logo
09:00 - 22:48LHR  London Heathrow-PIA Greater Peoria
19h 48m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
20:25 - 05:55PIA  Greater Peoria-LHR London Heathrow
27h 30m1 stop Chicago O'Hare Intl
£814United Airlines
Thu, 3 Dec - Sun, 6 Dec
Lufthansa Logo
19:10 - 19:03LHR  London Heathrow-PIA Greater Peoria
29h 53m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
Lufthansa Logo
10:32 - 06:45PIA  Greater Peoria-LHR London Heathrow
14h 13m1 stop Chicago O'Hare Intl
£815Lufthansa
Fri, 4 Sep - Thu, 10 Sep

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Lufthansa flights from London Heathrow Airport to Peoria, Illinois

Our best Lufthansa deals on London Heathrow Airport to Peoria, Illinois flight tickets
Lufthansa
4 Sept
LHR20:25London Heathrow
28h 38m
2 stops
PIA19:03Greater Peoria
10 Sept
PIA18:39Greater Peoria
11h 16m
1 stop
LHR11:55London Heathrow
£793
Lufthansa
4 Sept
LHR11:05London Heathrow
17h 38m
1 stop
PIA22:43Greater Peoria
10 Sept
PIA18:39Greater Peoria
11h 16m
1 stop
LHR11:55London Heathrow
£808
Lufthansa
4 Sept
LHR19:10London Heathrow
29h 53m
2 stops
PIA19:03Greater Peoria
10 Sept
PIA10:32Greater Peoria
14h 13m
1 stop
LHR06:45London Heathrow
£815

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
21 Sept
LHR07:30London Heathrow
19h 29m
2 stops
PIA20:59Greater Peoria
28 Sept
PIA10:43Greater Peoria
15h 47m
1 stop
LHR08:30London Heathrow
£786
United Airlines
21 Sept
LHR06:50London Heathrow
16h 38m
2 stops
PIA17:28Greater Peoria
28 Sept
PIA10:43Greater Peoria
14h 12m
2 stops
LHR06:55London Heathrow
£788
United Airlines
23 Sept
LHR09:30London Heathrow
19h 43m
2 stops
PIA23:13Greater Peoria
30 Sept
PIA16:05Greater Peoria
13h 50m
1 stop
LHR11:55London Heathrow
£788

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 9 August 2026.
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

Cheapest return flight

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Mon 21/9

07:30-20:59

2 stops19h 29m

Greater Peoria

Mon 28/9

10:43-08:30

1 stop15h 47m

£786

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Mon 21/9

06:50-17:28

2 stops16h 38m

Greater Peoria

Mon 28/9

10:43-06:55

2 stops14h 12m

£788

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 23/9

09:30-23:13

2 stops19h 43m

Greater Peoria

Wed 30/9

16:05-11:55

1 stop13h 50m

£788

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Fri 4/9

20:25-19:03

2 stops28h 38m

Greater Peoria

Thu 10/9

18:39-11:55

1 stop11h 16m

£793
Fastest return journey

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Fri 4/9

11:05-22:43

1 stop17h 38m

Greater Peoria

Thu 10/9

18:39-11:55

1 stop11h 16m

£808

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Mon 21/9

11:05-17:28

1 stop12h 23m

Greater Peoria

Mon 28/9

06:15-06:45

1 stop18h 30m

£810

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Wed 23/9

11:05-16:58

1 stop11h 53m

Greater Peoria

Wed 30/9

06:15-08:30

1 stop20h 15m

£812

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Thu 3/12

09:00-21:00

2 stops18h 00m

Greater Peoria

Sun 6/12

20:25-07:40

2 stops29h 15m

£813

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Thu 3/12

09:00-22:48

2 stops19h 48m

Greater Peoria

Sun 6/12

20:25-05:55

1 stop27h 30m

£814

LondonPeoria

LHR London Heathrow - PIA Greater Peoria

LHRPIA

London Heathrow

Fri 4/9

19:10-19:03

2 stops29h 53m

Greater Peoria

Thu 10/9

10:32-06:45

1 stop14h 13m

£815

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 airline that flies from London Heathrow to Greater Peoria?

United Airlines is the most popular carrier operating from London Heathrow to Greater Peoria

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from London Heathrow Airport to Peoria, Illinois takes 14h 30m
There are no direct flights from London Heathrow Airport to Peoria, Illinois. There are no popular flight routes from London Heathrow Airport to Peoria, Illinois.
Search flight deals

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

  • How far is London Heathrow to Greater Peoria by plane?

    Greater Peoria is 4063.6 mi away from London Heathrow. 14h 30m 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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