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Cheap flights from Peoria, Illinois to London from £243

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 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
0 bags
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Find the cheapest flights from Peoria, Illinois to London

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:45 - 11:15
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
06:15 - 23:03
LHR
-
PIA
22h 48m
2 stops
£654British Airways
Sun, 23 Aug - Tue, 15 Sep
Multiple Airlines Logo
18:45 - 12:15
PIA
-
LHR
11h 30m
1 stop
Multiple Airlines Logo
06:15 - 00:06
LHR
-
PIA
23h 51m
2 stops
£659Multiple Airlines
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
18:45 - 11:15
PIA
-
LHR
10h 30m
1 stop
British Airways Logo
11:10 - 00:06
LHR
-
PIA
18h 56m
1 stop
£660British Airways
Wed, 12 Aug - Wed, 19 Aug
Multiple Airlines Logo
18:45 - 19:10
PIA
-
LHR
18h 25m
2 stops
Multiple Airlines Logo
06:15 - 00:06
LHR
-
PIA
23h 51m
2 stops
£663Multiple Airlines
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
18:45 - 12:15
PIA
-
LHR
11h 30m
1 stop
British Airways Logo
18:45 - 18:15
LHR
-
PIA
29h 30m
2 stops
£706British Airways
Wed, 12 Aug - Wed, 19 Aug
Lufthansa Logo
18:39 - 18:25
PIA
-
LHR
17h 46m
2 stops
Lufthansa Logo
13:30 - 22:52
LHR
-
PIA
15h 22m
2 stops
£747Lufthansa
Sun, 23 Aug - Tue, 15 Sep
United Airlines Logo
08:29 - 06:55
PIA
-
LHR
16h 26m
2 stops
United Airlines Logo
07:25 - 17:01
LHR
-
PIA
15h 36m
2 stops
£751United Airlines
Wed, 12 Aug - Wed, 19 Aug
United Airlines Logo
15:35 - 11:55
PIA
-
LHR
14h 20m
1 stop
United Airlines Logo
14:05 - 10:06
LHR
-
PIA
26h 01m
2 stops
£754United Airlines
Wed, 12 Aug - Wed, 19 Aug
United Airlines Logo
18:39 - 11:55
PIA
-
LHR
11h 16m
1 stop
United Airlines Logo
17:50 - 15:00
LHR
-
PIA
27h 10m
2 stops
£757United Airlines
Wed, 12 Aug - Wed, 19 Aug
Lufthansa Logo
17:43 - 17:55
PIA
-
LCY
18h 12m
2 stops
Lufthansa Logo
09:15 - 23:20
LCY
-
PIA
20h 05m
2 stops
£949Lufthansa
Sun, 26 Jul - Thu, 30 Jul

United Airlines flights from Peoria, Illinois to London

Our best United Airlines deals on Peoria, Illinois to London flight tickets
United Airlines
12 Aug
PIA08:29Greater Peoria
16h 26m
2 stops
LHR06:55London Heathrow
19 Aug
LHR07:25London Heathrow
15h 36m
2 stops
PIA17:01Greater Peoria
£751
United Airlines
12 Aug
PIA15:35Greater Peoria
14h 20m
1 stop
LHR11:55London Heathrow
19 Aug
LHR14:05London Heathrow
26h 01m
2 stops
PIA10:06Greater Peoria
£754
United Airlines
12 Aug
PIA18:39Greater Peoria
11h 16m
1 stop
LHR11:55London Heathrow
19 Aug
LHR17:50London Heathrow
27h 10m
2 stops
PIA15:00Greater Peoria
£757

British Airways flights from Peoria, Illinois to London

Our best British Airways deals on Peoria, Illinois to London flight tickets
British Airways
23 Aug
PIA18:45Greater Peoria
10h 30m
1 stop
LHR11:15London Heathrow
15 Sept
LHR06:15London Heathrow
22h 48m
2 stops
PIA23:03Greater Peoria
£654
British Airways
12 Aug
PIA18:45Greater Peoria
10h 30m
1 stop
LHR11:15London Heathrow
19 Aug
LHR11:10London Heathrow
18h 56m
1 stop
PIA00:06Greater Peoria
£660
British Airways
12 Aug
PIA18:45Greater Peoria
11h 30m
1 stop
LHR12:15London Heathrow
19 Aug
LHR18:45London Heathrow
29h 30m
2 stops
PIA18:15Greater Peoria
£706

momondo Fare Finder

 
Customise your flight search to find flights from Peoria, Illinois to London 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 13 May 2026.
Use the filters below to find and compare flights from Peoria, Illinois to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 23/8

18:45-11:15

1 stop10h 30m

London Heathrow

Tue 15/9

06:15-23:03

2 stops22h 48m

£654

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

18:45-12:15

1 stop11h 30m

London Heathrow

Wed 19/8

06:15-00:06

2 stops23h 51m

£659
Fastest return journey

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

18:45-11:15

1 stop10h 30m

London Heathrow

Wed 19/8

11:10-00:06

1 stop18h 56m

£660

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

18:45-19:10

2 stops18h 25m

London Heathrow

Wed 19/8

06:15-00:06

2 stops23h 51m

£663

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

18:45-12:15

1 stop11h 30m

London Heathrow

Wed 19/8

18:45-18:15

2 stops29h 30m

£706

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 23/8

18:39-18:25

2 stops17h 46m

London Heathrow

Tue 15/9

13:30-22:52

2 stops15h 22m

£747

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

08:29-06:55

2 stops16h 26m

London Heathrow

Wed 19/8

07:25-17:01

2 stops15h 36m

£751

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

15:35-11:55

1 stop14h 20m

London Heathrow

Wed 19/8

14:05-10:06

2 stops26h 01m

£754

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 12/8

18:39-11:55

1 stop11h 16m

London Heathrow

Wed 19/8

17:50-15:00

2 stops27h 10m

£757

PeoriaLondon

PIA - LCY

PIALCY

Greater Peoria

Sun 26/7

17:43-17:55

2 stops18h 12m

London City

Thu 30/7

09:15-23:20

2 stops20h 05m

£949

Flights are sorted by cheapest return 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

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 month to fly to London?

The cheapest month to fly to London from Peoria, Illinois is in February. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Peoria, Illinois averaging around £0.

When to book flights from Peoria, Illinois to London

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

Cheap Peoria, Illinois to London (PIA to LON) flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Peoria, Illinois to London takes 10h 30m
There are no direct flights from Peoria, Illinois to London. There are no popular flight routes from Peoria, Illinois to London.
Search flight deals

Frequently asked questions about flying from Peoria, Illinois to London

  • How far is Greater Peoria to London by plane?

    London is 4075.3 mi away from Greater Peoria. A reasonable flight in good conditions will take 10h 30m.

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

    Prices for flights from Greater Peoria Airport to London were last updated today.

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

    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.

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

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
Colchester

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Peoria.

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

All flight searches from Peoria to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Peoria and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Peoria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport