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Cheap flights from Peoria, Illinois to London from $690

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

Discover deals from 900+ travel sites with momondo.

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
5:22 pm - 7:55 amPIA  Greater Peoria-LHR London Heathrow
32h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 10:08 amLHR  London Heathrow-PIA Greater Peoria
33h 18m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$737United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
5:22 pm - 7:10 amPIA  Greater Peoria-LHR London Heathrow
31h 48m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:50 am - 9:13 pmLHR  London Heathrow-PIA Greater Peoria
20h 23m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$740United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
5:22 pm - 10:05 amPIA  Greater Peoria-LHR London Heathrow
34h 43m2 stops Chicago O'Hare Intl Brussels Bruxelles-National
United Airlines Logo
9:00 am - 11:13 pmLHR  London Heathrow-PIA Greater Peoria
20h 13m2 stops Zurich Chicago O'Hare Intl
$750United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
2:35 pm - 7:55 amPIA  Greater Peoria-LHR London Heathrow
11h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 4:47 pmLHR  London Heathrow-PIA Greater Peoria
15h 57m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$867United Airlines
Sun, Nov 15 - Wed, Nov 18
Lufthansa Logo
5:20 pm - 3:50 pmPIA  Greater Peoria-LHR London Heathrow
16h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:10 am - 9:00 pmLHR  London Heathrow-PIA Greater Peoria
15h 50m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$870Lufthansa
Tue, Feb 9 - Tue, Feb 16
American Airlines Logo
5:30 pm - 11:35 amPIA  Greater Peoria-LHR London Heathrow
12h 05m1 stop Chicago O'Hare Intl
American Airlines Logo
11:45 am - 11:57 pmLHR  London Heathrow-PIA Greater Peoria
18h 12m1 stop Charlotte Douglas
$906American Airlines
Tue, Feb 9 - Tue, Feb 16
British Airways Logo
5:39 pm - 10:25 amPIA  Greater Peoria-LHR London Heathrow
10h 46m1 stop Chicago O'Hare Intl
British Airways Logo
12:35 pm - 11:59 pmLHR  London Heathrow-PIA Greater Peoria
17h 24m1 stop Chicago O'Hare Intl
$927British Airways
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
4:27 pm - 12:00 pmPIA  Greater Peoria-LHR London Heathrow
14h 33m1 stop Charlotte Douglas
American Airlines Logo
11:00 am - 5:08 pmLHR  London Heathrow-PIA Greater Peoria
12h 08m1 stop Chicago O'Hare Intl
$966American Airlines
Wed, Oct 28 - Tue, Nov 10
American Airlines Logo
4:28 pm - 12:10 pmPIA  Greater Peoria-LHR London Heathrow
13h 42m1 stop Charlotte Douglas
American Airlines Logo
3:15 pm - 12:10 amLHR  London Heathrow-PIA Greater Peoria
14h 55m1 stop Chicago O'Hare Intl
$967American Airlines
Sun, Sep 13 - Tue, Oct 20
British Airways Logo
6:48 pm - 12:15 pmPIA  Greater Peoria-LHR London Heathrow
11h 27m1 stop Chicago O'Hare Intl
British Airways Logo
9:45 am - 4:58 pmLHR  London Heathrow-PIA Greater Peoria
13h 13m1 stop Chicago O'Hare Intl
$977British Airways
Tue, Sep 8 - Tue, Sep 15

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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
Nov 15
PIA5:22 pmGreater Peoria
32h 33m
1 stop
LHR7:55 amLondon Heathrow
Nov 18
LHR6:50 amLondon Heathrow
33h 18m
2 stops
PIA10:08 amGreater Peoria
$737
United Airlines
Nov 15
PIA5:22 pmGreater Peoria
31h 48m
2 stops
LHR7:10 amLondon Heathrow
Nov 18
LHR6:50 amLondon Heathrow
20h 23m
2 stops
PIA9:13 pmGreater Peoria
$740
United Airlines
Nov 15
PIA5:22 pmGreater Peoria
34h 43m
2 stops
LHR10:05 amLondon Heathrow
Nov 18
LHR9:00 amLondon Heathrow
20h 13m
2 stops
PIA11:13 pmGreater Peoria
$750

American Airlines flights from Peoria, Illinois to London Heathrow Airport

Our best American Airlines deals on Peoria, Illinois to London Heathrow Airport flight tickets
American Airlines
Oct 28
PIA4:27 pmGreater Peoria
14h 33m
1 stop
LHR12:00 pmLondon Heathrow
Nov 10
LHR11:00 amLondon Heathrow
12h 08m
1 stop
PIA5:08 pmGreater Peoria
$966
American Airlines
Sep 13
PIA4:28 pmGreater Peoria
13h 42m
1 stop
LHR12:10 pmLondon Heathrow
Oct 20
LHR3:15 pmLondon Heathrow
14h 55m
1 stop
PIA12:10 amGreater Peoria
$967
American Airlines
Aug 23
PIA12:20 pmGreater Peoria
16h 35m
1 stop
LHR10:55 amLondon Heathrow
Sep 15
LHR3:15 pmLondon Heathrow
14h 53m
1 stop
PIA12:08 amGreater Peoria
$1,076

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 15, 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 Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 11/15

5:22 pm-7:55 am

1 stop32h 33m

London Heathrow

Wed 11/18

6:50 am-10:08 am

2 stops33h 18m

$737

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 11/15

5:22 pm-7:10 am

2 stops31h 48m

London Heathrow

Wed 11/18

6:50 am-9:13 pm

2 stops20h 23m

$740

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 11/15

5:22 pm-10:05 am

2 stops34h 43m

London Heathrow

Wed 11/18

9:00 am-11:13 pm

2 stops20h 13m

$750

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 11/15

2:35 pm-7:55 am

1 stop11h 20m

London Heathrow

Wed 11/18

6:50 am-4:47 pm

2 stops15h 57m

$867

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 2/9

5:20 pm-3:50 pm

2 stops16h 30m

London Heathrow

Tue 2/16

11:10 am-9:00 pm

2 stops15h 50m

$870

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 2/9

5:30 pm-11:35 am

1 stop12h 05m

London Heathrow

Tue 2/16

11:45 am-11:57 pm

1 stop18h 12m

$906

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sat 12/12

5:39 pm-10:25 am

1 stop10h 46m

London Heathrow

Wed 12/16

12:35 pm-11:59 pm

1 stop17h 24m

$927

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Wed 10/28

4:27 pm-12:00 pm

1 stop14h 33m

London Heathrow

Tue 11/10

11:00 am-5:08 pm

1 stop12h 08m

$966

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Sun 9/13

4:28 pm-12:10 pm

1 stop13h 42m

London Heathrow

Tue 10/20

3:15 pm-12:10 am

1 stop14h 55m

$967
Quickest round-trip

PeoriaLondon

PIA Greater Peoria - LHR London Heathrow

PIALHR

Greater Peoria

Tue 9/8

6:48 pm-12:15 pm

1 stop11h 27m

London Heathrow

Tue 9/15

9:45 am-4:58 pm

1 stop13h 13m

$977

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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?

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

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 20m

Direct flights

None
The fastest flight from Peoria, Illinois to London Heathrow Airport takes 11h 20m
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 20m.

  • 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
American AirlinesPriceFrom $624Free CancellationRating
7.1
11,941 reviews
Search American Airlines flights
United AirlinesPriceFrom $972Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights

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Harrow
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Slough
Uxbridge
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Romford
Ilford

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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