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Cheap flights from Peoria, Illinois to London from $506

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
1 adult, Economy, 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.
Lufthansa Logo
5:31 pm - 6:25 pm
PIA
-
LHR
18h 54m
2 stops
Lufthansa Logo
9:00 am - 10:52 pm
LHR
-
PIA
19h 52m
2 stops
$829Lufthansa
Sun, Aug 23 - Tue, Sep 15
Lufthansa Logo
5:31 pm - 7:40 pm
PIA
-
LHR
20h 09m
2 stops
Lufthansa Logo
9:00 am - 10:52 pm
LHR
-
PIA
19h 52m
2 stops
$830Lufthansa
Sun, Aug 23 - Tue, Sep 15
Lufthansa Logo
5:31 pm - 7:40 pm
PIA
-
LHR
20h 09m
2 stops
Lufthansa Logo
9:00 am - 10:52 pm
LHR
-
PIA
19h 52m
2 stops
$831Lufthansa
Sun, Aug 23 - Tue, Sep 15
United Airlines Logo
2:33 pm - 8:30 am
PIA
-
LHR
11h 57m
1 stop
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$872United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
10:35 am - 6:45 am
PIA
-
LHR
14h 10m
1 stop
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$873United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:25 am - 6:45 am
PIA
-
LHR
16h 20m
1 stop
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$874United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
5:45 am - 6:30 am
PIA
-
LHR
18h 45m
2 stops
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$875United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:25 am - 6:30 am
PIA
-
LHR
16h 05m
2 stops
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$876United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
5:45 am - 10:00 am
PIA
-
LHR
22h 15m
2 stops
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$877United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:25 am - 6:30 am
PIA
-
LHR
16h 05m
2 stops
United Airlines Logo
7:25 am - 4:56 pm
LHR
-
PIA
15h 31m
2 stops
$878United Airlines
Wed, Aug 12 - Wed, Aug 19

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
PIA2:33 pmGreater Peoria
11h 57m
1 stop
LHR8:30 amLondon Heathrow
Aug 19
LHR7:25 amLondon Heathrow
15h 31m
2 stops
PIA4:56 pmGreater Peoria
$872
United Airlines
Apr 15
PIA2:50 pmGreater Peoria
11h 40m
1 stop
LHR8:30 amLondon Heathrow
Apr 23
LHR6:50 amLondon Heathrow
15h 54m
2 stops
PIA4:44 pmGreater Peoria
$873
United Airlines
Aug 12
PIA8:25 amGreater Peoria
16h 20m
1 stop
LHR6:45 amLondon Heathrow
Aug 19
LHR7:25 amLondon Heathrow
15h 31m
2 stops
PIA4:56 pmGreater Peoria
$874

Lufthansa flights from Peoria, Illinois to London Heathrow Airport

Our best Lufthansa deals on Peoria, Illinois to London Heathrow Airport flight tickets
Lufthansa
Aug 23
PIA5:31 pmGreater Peoria
18h 54m
2 stops
LHR6:25 pmLondon Heathrow
Sep 15
LHR9:00 amLondon Heathrow
19h 52m
2 stops
PIA10:52 pmGreater Peoria
$829
Lufthansa
Aug 23
PIA5:31 pmGreater Peoria
20h 09m
2 stops
LHR7:40 pmLondon Heathrow
Sep 15
LHR9:00 amLondon Heathrow
19h 52m
2 stops
PIA10:52 pmGreater Peoria
$830
Lufthansa
Aug 23
PIA5:31 pmGreater Peoria
20h 09m
2 stops
LHR7:40 pmLondon Heathrow
Sep 15
LHR9:00 amLondon Heathrow
19h 52m
2 stops
PIA10:52 pmGreater Peoria
$831

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 April 1, 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

5:31 pm-6:25 pm

2 stops18h 54m

London Heathrow

Tue 9/15

9:00 am-10:52 pm

2 stops19h 52m

$829

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

5:31 pm-7:40 pm

2 stops20h 09m

London Heathrow

Tue 9/15

9:00 am-10:52 pm

2 stops19h 52m

$830

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 8/23

5:31 pm-7:40 pm

2 stops20h 09m

London Heathrow

Tue 9/15

9:00 am-10:52 pm

2 stops19h 52m

$831
Quickest round-trip

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

2:33 pm-8:30 am

1 stop11h 57m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$872

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

10:35 am-6:45 am

1 stop14h 10m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$873

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

8:25 am-6:45 am

1 stop16h 20m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$874

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

5:45 am-6:30 am

2 stops18h 45m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$875

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

8:25 am-6:30 am

2 stops16h 05m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$876

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

5:45 am-10:00 am

2 stops22h 15m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$877

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/12

8:25 am-6:30 am

2 stops16h 05m

London Heathrow

Wed 8/19

7:25 am-4:56 pm

2 stops15h 31m

$878

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 airline that flies from Greater Peoria to London Heathrow?

Lufthansa and United Airlines are the most popular carriers operating from Greater Peoria to London Heathrow

What airlines fly to London Heathrow Airport?

American Airlines, British Airways and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Peoria, Illinois according to our data. American Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

11h 40m

Direct flights

None
The fastest flight from Peoria, Illinois to London Heathrow Airport takes 11h 40m
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 11h 40m.

  • 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 $588Free CancellationRating
6.7
7,841 reviews
Search British Airways flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
9,531 reviews
Search United Airlines flights
American AirlinesPriceFrom $749Free CancellationRating
7.1
11,545 reviews
Search American Airlines flights

Traveling to a place near London?

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Stratford-upon-Avon
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Stansted
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Dartford
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Cobham
Folkestone
Romford
Harrow
Watford

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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