Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Peoria, Illinois to London from $638

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to London departing on 2/2. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Peoria, Illinois to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 7:55 am
PIA
-
LHR
15h 10m1 stop
United Airlines Logo
1:45 pm - 9:39 pm
LHR
-
PIA
37h 54m2 stops
$638United Airlines
Mon, Feb 2 - Mon, Feb 9
Lufthansa Logo
1:24 pm - 5:55 am
PIA
-
LHR
10h 31m1 stop
Lufthansa Logo
6:35 am - 9:39 pm
LHR
-
PIA
21h 04m2 stops
$651Lufthansa
Fri, Jan 16 - Fri, Jan 23
Lufthansa Logo
1:24 pm - 8:45 am
PIA
-
LHR
13h 21m2 stops
Lufthansa Logo
6:35 am - 9:39 pm
LHR
-
PIA
21h 04m2 stops
$670Lufthansa
Fri, Jan 16 - Fri, Jan 23
Lufthansa Logo
1:24 pm - 5:55 am
PIA
-
LHR
10h 31m1 stop
Lufthansa Logo
7:25 am - 9:39 pm
LHR
-
PIA
20h 14m1 stop
$677Lufthansa
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
1:24 pm - 11:05 am
PIA
-
LHR
15h 41m2 stops
United Airlines Logo
7:40 am - 4:43 pm
LHR
-
PIA
15h 03m2 stops
$692United Airlines
Mon, Feb 2 - Mon, Feb 9
United Airlines Logo
3:00 pm - 7:55 am
PIA
-
LHR
10h 55m1 stop
United Airlines Logo
1:25 pm - 2:23 pm
LHR
-
PIA
30h 58m2 stops
$696United Airlines
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
8:30 am - 10:00 am
PIA
-
LHR
19h 30m2 stops
United Airlines Logo
7:25 am - 4:44 pm
LHR
-
PIA
15h 19m2 stops
$707United Airlines
Fri, May 8 - Thu, May 14
United Airlines Logo
1:20 pm - 9:00 am
PIA
-
LHR
13h 40m1 stop
United Airlines Logo
8:45 am - 12:36 pm
LHR
-
PIA
57h 51m2 stops
$709United Airlines
Sun, Apr 19 - Sat, Apr 25
United Airlines Logo
6:30 am - 6:30 am
PIA
-
LHR
18h 00m2 stops
United Airlines Logo
8:45 am - 12:36 pm
LHR
-
PIA
57h 51m2 stops
$712United Airlines
Sun, Apr 19 - Sat, Apr 25
United Airlines Logo
1:24 pm - 5:55 am
PIA
-
LHR
10h 31m1 stop
United Airlines Logo
7:25 am - 4:43 pm
LHR
-
PIA
15h 18m1 stop
$716United Airlines
Fri, Jan 9 - Tue, Jan 13

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
Feb 2
PIA10:45 amGreater Peoria
15h 10m
1 stop
LHR7:55 amLondon Heathrow
Feb 9
LHR1:45 pmLondon Heathrow
37h 54m
2 stops
PIA9:39 pmGreater Peoria
$638
Find similar
United Airlines
Feb 2
PIA1:24 pmGreater Peoria
15h 41m
2 stops
LHR11:05 amLondon Heathrow
Feb 9
LHR7:40 amLondon Heathrow
15h 03m
2 stops
PIA4:43 pmGreater Peoria
$692
Find similar
United Airlines
Jan 9
PIA3:00 pmGreater Peoria
10h 55m
1 stop
LHR7:55 amLondon Heathrow
Jan 13
LHR1:25 pmLondon Heathrow
30h 58m
2 stops
PIA2:23 pmGreater Peoria
$696
Find similar

Lufthansa flights from Peoria, Illinois to London Heathrow Airport

Our best Lufthansa deals on Peoria, Illinois to London Heathrow Airport flight tickets
Lufthansa
Jan 16
PIA1:24 pmGreater Peoria
10h 31m
1 stop
LHR5:55 amLondon Heathrow
Jan 23
LHR6:35 amLondon Heathrow
21h 04m
2 stops
PIA9:39 pmGreater Peoria
$651
Find similar
Lufthansa
Jan 16
PIA1:24 pmGreater Peoria
13h 21m
2 stops
LHR8:45 amLondon Heathrow
Jan 23
LHR6:35 amLondon Heathrow
21h 04m
2 stops
PIA9:39 pmGreater Peoria
$670
Find similar
Lufthansa
Jan 16
PIA1:24 pmGreater Peoria
10h 31m
1 stop
LHR5:55 amLondon Heathrow
Jan 23
LHR7:25 amLondon Heathrow
20h 14m
1 stop
PIA9:39 pmGreater Peoria
$677
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 December 21, 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

Mon 2/2

10:45 am-7:55 am

1 stop15h 10m

London Heathrow

Mon 2/9

1:45 pm-9:39 pm

2 stops37h 54m

$638

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/16

1:24 pm-5:55 am

1 stop10h 31m

London Heathrow

Fri 1/23

6:35 am-9:39 pm

2 stops21h 04m

$651

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/16

1:24 pm-8:45 am

2 stops13h 21m

London Heathrow

Fri 1/23

6:35 am-9:39 pm

2 stops21h 04m

$670

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/16

1:24 pm-5:55 am

1 stop10h 31m

London Heathrow

Fri 1/23

7:25 am-9:39 pm

1 stop20h 14m

$677

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Mon 2/2

1:24 pm-11:05 am

2 stops15h 41m

London Heathrow

Mon 2/9

7:40 am-4:43 pm

2 stops15h 03m

$692

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/9

3:00 pm-7:55 am

1 stop10h 55m

London Heathrow

Tue 1/13

1:25 pm-2:23 pm

2 stops30h 58m

$696

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 5/8

8:30 am-10:00 am

2 stops19h 30m

London Heathrow

Thu 5/14

7:25 am-4:44 pm

2 stops15h 19m

$707

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 4/19

1:20 pm-9:00 am

1 stop13h 40m

London Heathrow

Sat 4/25

8:45 am-12:36 pm

2 stops57h 51m

$709

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Sun 4/19

6:30 am-6:30 am

2 stops18h 00m

London Heathrow

Sat 4/25

8:45 am-12:36 pm

2 stops57h 51m

$712

PeoriaLondon

PIA - LHR

PIALHR

Greater Peoria

Fri 1/9

1:24 pm-5:55 am

1 stop10h 31m

London Heathrow

Tue 1/13

7:25 am-4:43 pm

1 stop15h 18m

$716

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

10h 31m

Direct flights

None
The fastest flight from Peoria, Illinois to London Heathrow Airport takes 10h 31m
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

  • 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 31m.

  • 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
6.7
7,602 reviews
Search British Airways flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
American AirlinesPriceFrom $743Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/20
Tue 1/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $346
Flights to London City Airportfrom $437
Flights to London Stansted Airportfrom $317
Flights to London Luton Airportfrom $325
Flights to London Southend Airportfrom $560
Flights to Glasgow Intl Airportfrom $389
Flights to Belfast Intl Airportfrom $480
Flights to Belfast City Airportfrom $536