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Cheap flights from Peoria, Illinois to London from $469

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 8/22. 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 (PIA-LHR)

Cheap round-trip flights

United Airlines Logo
3:55 pm - 8:20 amPIA-LHR
10h 25m1 stop
United Airlines Logo
2:05 pm - 3:18 pmLHR-PIA
31h 13m2 stops
$625United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
British Airways Logo
6:39 pm - 12:15 pmPIA-LHR
11h 36m1 stop
British Airways Logo
7:25 pm - 6:09 pmLHR-PIA
28h 44m2 stops
$629British Airways
Find Deal
Wed, Aug 20 - Mon, Aug 25
United Airlines Logo
3:39 pm - 6:20 amPIA-LHR
32h 41m1 stop
United Airlines Logo
1:45 pm - 3:18 pmLHR-PIA
31h 33m2 stops
$630United Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25
United Airlines Logo
10:49 am - 6:55 amPIA-LHR
14h 06m2 stops
United Airlines Logo
7:25 am - 4:43 pmLHR-PIA
15h 18m2 stops
$638United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
British Airways Logo
6:39 pm - 11:05 amPIA-LHR
10h 26m1 stop
British Airways Logo
9:15 am - 6:09 pmLHR-PIA
14h 54m1 stop
$642British Airways
Find Deal
Tue, Aug 19 - Tue, Aug 26
United Airlines Logo
10:49 am - 6:55 amPIA-LHR
14h 06m2 stops
United Airlines Logo
11:05 am - 3:18 pmLHR-PIA
34h 13m2 stops
$655United Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
United Airlines Logo
10:49 am - 6:55 amPIA-LHR
14h 06m2 stops
United Airlines Logo
11:05 am - 3:18 pmLHR-PIA
34h 13m2 stops
$656United Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
Lufthansa Logo
5:19 pm - 4:40 pmPIA-LHR
17h 21m2 stops
Lufthansa Logo
9:00 am - 8:52 pmLHR-PIA
17h 52m2 stops
$659Lufthansa
Find Deal
Tue, Aug 19 - Tue, Aug 26
Lufthansa Logo
5:25 pm - 10:40 pmPIA-LHR
23h 15m2 stops
Lufthansa Logo
4:30 pm - 8:52 pmLHR-PIA
34h 22m2 stops
$689Lufthansa
Find Deal
Mon, Aug 18 - Mon, Aug 25
American Airlines Logo
10:39 am - 6:50 amPIA-LHR
14h 11m1 stop
American Airlines Logo
8:20 am - 3:50 pmLHR-PIA
13h 30m1 stop
$697American Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5

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 20
PIA6:39 pmGreater Peoria
11h 36m
1 stop
LHR12:15 pmLondon Heathrow
Aug 25
LHR7:25 pmLondon Heathrow
28h 44m
2 stops
PIA6:09 pmGreater Peoria
$629
Find similar
British Airways
Aug 19
PIA6:39 pmGreater Peoria
10h 26m
1 stop
LHR11:05 amLondon Heathrow
Aug 26
LHR9:15 amLondon Heathrow
14h 54m
1 stop
PIA6:09 pmGreater Peoria
$642
Find similar
British Airways
Aug 19
PIA6:39 pmGreater Peoria
10h 26m
1 stop
LHR11:05 amLondon Heathrow
Aug 26
LHR9:15 amLondon Heathrow
14h 54m
1 stop
PIA6:09 pmGreater Peoria
$643
Find similar

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 19
PIA3:55 pmGreater Peoria
10h 25m
1 stop
LHR8:20 amLondon Heathrow
Aug 26
LHR2:05 pmLondon Heathrow
31h 13m
2 stops
PIA3:18 pmGreater Peoria
$625
Find similar
United Airlines
Aug 18
PIA3:39 pmGreater Peoria
32h 41m
1 stop
LHR6:20 amLondon Heathrow
Aug 25
LHR1:45 pmLondon Heathrow
31h 33m
2 stops
PIA3:18 pmGreater Peoria
$630
Find similar
United Airlines
Aug 19
PIA10:49 amGreater Peoria
14h 06m
2 stops
LHR6:55 amLondon Heathrow
Aug 26
LHR7:25 amLondon Heathrow
15h 18m
2 stops
PIA4:43 pmGreater Peoria
$638
Find similar

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 August 6, 2025.
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

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

3:55 pm-8:20 am

1 stop10h 25m

London Heathrow

Tue 8/26

2:05 pm-3:18 pm

2 stops31h 13m

$625

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/20

6:39 pm-12:15 pm

1 stop11h 36m

London Heathrow

Mon 8/25

7:25 pm-6:09 pm

2 stops28h 44m

$629

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 8/18

3:39 pm-6:20 am

1 stop32h 41m

London Heathrow

Mon 8/25

1:45 pm-3:18 pm

2 stops31h 33m

$630

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

10:49 am-6:55 am

2 stops14h 06m

London Heathrow

Tue 8/26

7:25 am-4:43 pm

2 stops15h 18m

$638

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

6:39 pm-11:05 am

1 stop10h 26m

London Heathrow

Tue 8/26

9:15 am-6:09 pm

1 stop14h 54m

$642

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/20

10:49 am-6:55 am

2 stops14h 06m

London Heathrow

Mon 8/25

11:05 am-3:18 pm

2 stops34h 13m

$655

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 8/20

10:49 am-6:55 am

2 stops14h 06m

London Heathrow

Mon 8/25

11:05 am-3:18 pm

2 stops34h 13m

$656

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Tue 8/19

5:19 pm-4:40 pm

2 stops17h 21m

London Heathrow

Tue 8/26

9:00 am-8:52 pm

2 stops17h 52m

$659

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 8/18

5:25 pm-10:40 pm

2 stops23h 15m

London Heathrow

Mon 8/25

4:30 pm-8:52 pm

2 stops34h 22m

$689

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Wed 10/1

10:39 am-6:50 am

1 stop14h 11m

London Heathrow

Sun 10/5

8:20 am-3:50 pm

1 stop13h 30m

$697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $836. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $1,098.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Peoria, Illinois to London Heathrow Airport in the morning for as low as $852. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $920.

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

Best Price Found

$469

Fastest flight time

10h 15m

Direct flights

None
The best one-way flight to London Heathrow Airport from Peoria, Illinois in the past 72 hours is $469. The best round-trip flight deal from Peoria, Illinois to London Heathrow Airport found on momondo in the last 72 hours is $625.
The fastest flight from Peoria, Illinois to London Heathrow Airport takes 10h 15m
There are no direct flights from Peoria, Illinois to London Heathrow Airport. Popular non-direct route for this connection is Greater Peoria Airport - London Heathrow Airport.
Search flight deals

  • 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 10h 15m.

  • 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 $729Free CancellationRating
6.6
7,245 reviews
Search British Airways flights
American AirlinesPriceFrom $743Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $829Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

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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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