PIA - LHR

$329 Find Cheap Flights from Peoria to London Heathrow Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Peoria to Heathrow departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$856
United Airlines
Fri 7/17Tue 8/25
PIA - LHR • 1 stop
Cheapest one-way
$329
United Airlines
Sat 7/18
PIA - LHR • 2 stops
Top airlines
Cheapest • from $856 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Peoria and Heathrow. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Peoria to Heathrow (PIA-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Peoria to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Peoria to Heathrow

Fri, Jul 17 - Tue, Aug 25
United Airlines Logo
5:43 pm - 6:45 am
PIA
-
LHR
31h 02m
1 stop
United Airlines Logo
6:50 am - 10:43 pm
LHR
-
PIA
21h 53m
2 stops
$856United Airlines
Sun, Nov 1 - Wed, Nov 11
Lufthansa Logo
7:14 pm - 6:35 pm
PIA
-
LHR
17h 21m
2 stops
Lufthansa Logo
8:45 am - 9:00 pm
LHR
-
PIA
18h 15m
2 stops
$857Lufthansa
Sun, Aug 23 - Tue, Sep 15
United Airlines Logo
3:35 pm - 11:55 am
PIA
-
LHR
14h 20m
1 stop
United Airlines Logo
6:50 am - 8:59 pm
LHR
-
PIA
20h 09m
2 stops
$863United Airlines
Fri, Jul 17 - Tue, Aug 25
United Airlines Logo
5:43 pm - 10:15 am
PIA
-
LHR
34h 32m
2 stops
United Airlines Logo
6:50 am - 3:00 pm
LHR
-
PIA
14h 10m
2 stops
$864United Airlines
Sun, Aug 23 - Tue, Sep 15
United Airlines Logo
8:28 am - 5:55 am
PIA
-
LHR
15h 27m
2 stops
United Airlines Logo
6:50 am - 2:57 pm
LHR
-
PIA
14h 07m
2 stops
$868United Airlines
Sun, Oct 4 - Sat, Oct 10
United Airlines Logo
10:43 am - 6:55 am
PIA
-
LHR
14h 12m
2 stops
United Airlines Logo
7:25 am - 7:01 pm
LHR
-
PIA
17h 36m
2 stops
$869United Airlines
Sun, Nov 1 - Wed, Nov 11
British Airways Logo
5:30 pm - 10:25 am
PIA
-
LHR
10h 55m
1 stop
British Airways Logo
11:00 am - 4:59 pm
LHR
-
PIA
11h 59m
1 stop
$888British Airways
Sun, Aug 23 - Tue, Sep 15
United Airlines Logo
3:35 pm - 11:55 am
PIA
-
LHR
14h 20m
1 stop
United Airlines Logo
11:05 am - 4:58 pm
LHR
-
PIA
11h 53m
1 stop
$892United Airlines
Sun, Oct 4 - Sat, Oct 10
United Airlines Logo
4:05 pm - 6:45 am
PIA
-
LHR
32h 40m
1 stop
United Airlines Logo
6:50 am - 10:58 pm
LHR
-
PIA
22h 08m
2 stops
$913United Airlines
Sun, Oct 4 - Sat, Oct 10
United Airlines Logo
4:05 pm - 6:45 am
PIA
-
LHR
32h 40m
1 stop
United Airlines Logo
6:50 am - 10:58 pm
LHR
-
PIA
22h 08m
2 stops
$914United Airlines
Booking Insights

KAYAK's insights & trends for Peoria to Heathrow flights

Get data-powered insights and trends into flights from Peoria to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Peoria to London Heathrow Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Peoria to London Heathrow Airport were found on United Airlines ($856) and Lufthansa ($857).

Good to know

Cheapest flight$329
Flight from Peoria to London Heathrow Airport

When to book flights from Peoria to Heathrow

Are your dates flexible? Find out the best times to travel from Peoria to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Peoria to London Heathrow Airport flights

  • What is the cheapest flight from Peoria to London Heathrow Airport?

    In the last 5 days, the lowest price for a flight from Peoria to London Heathrow Airport was $329 for a one-way ticket and $856 for a round-trip.

  • Do I need a passport to fly between Peoria and London Heathrow Airport?

    Yes

  • Which airports will I be using when flying from Peoria to London Heathrow Airport?

    When flying out of Peoria you will be using Greater Peoria. You will be landing at London Heathrow Airport, also known as London Heathrow.

  • Which aircraft models fly most regularly from Peoria to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Peoria to London Heathrow Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Peoria and London Heathrow Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Peoria to London, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Peoria to London are United Airlines and American Airlines. With an average price for the route of $1,214 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $1,133 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Peoria to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Peoria to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Peoria to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Peoria is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Peoria to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Peoria with another airline. Booking your flights between Peoria and LHR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Peoria to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Peoria up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Peoria to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Peoria to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Peoria to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9927 reviews
6.7Food
7.7Boarding
8.1Crew
7.3Comfort
7.1Entertainment
Airline reviews

I was very disappointed with my experience at the United Airlines baggage check. The representative was rude and unhelpful. I was required to remove approximately 1.5 pounds from my two checked bags, even though it was a very small amount over the limit. The interaction was unnecessarily unpleasant, and I expected much better customer service. I hope United will review this incident and provide additional customer service training to its staff.

10.0 ExcellentAnonymous, Jun 2026
LAX - LHR
Read more United Airlines reviews

I was very disappointed with my experience at the United Airlines baggage check. The representative was rude and unhelpful. I was required to remove approximately 1.5 pounds from my two checked bags, even though it was a very small amount over the limit. The interaction was unnecessarily unpleasant, and I expected much better customer service. I hope United will review this incident and provide additional customer service training to its staff.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Although the flight was delayed the crew and the flight itself were very good. Couldn't fault anything and after the disappointment of being abandoned in the US by BA it was a welcome relief to travel with United

Liked fold flat bed. Didn’t like having no window. Didn’t like poor choice of food and being served dinner very late, hours after take off of a 7:40pm flight. Servers not friendly. Food horrible in business class.

Fight was delayed an hour due to operational issues ,then further delayed due to ground control for a total of about 1.30 hours. Salad was completely frozen and flatware was so cold you could barely handle it. Crew was friendly and professional and the flight was smooth. The aircraft was clean and well-serviced.

Horrible! I paid for a straight flight from Chicago to London. A week before trip it changed and now I had a connecting flight. Our flight was delayed an hour and a half because our flight crew was still flying in from CA. Forty passengers ran from one plane to the next. The next United Airlines flight was delayed two to three hours because of mechanical difficulties. They had to ready another plane which took time. I missed my scheduled excursion in London. 😢

Flight delayed for 2 hours due to a part. The plane sat waiting for boarding for a long time and during final preflight inspection the issue was found. Why not do the preflight inspection sooner if you know the plane is being used?

All good, useful to have the united app from check in to boarding

The flight was clean and on time, the crew were all very nice and we got the seats we booked. Plenty of food and beverages. The seats are too close so it’s very difficult to try and sleep comfortably.

Our flight was cancelled while we are on our way to the airport. So, no notice. We were rescheduled to another airline with a 2 hour later takeoff and so arrived at our destination on time. We pre-paid American Airlines $190 to upgrade our seats. No refund. So no use for AA or Kayak.

Terrible, horrible, disappointing- without telling us they changed planes and moved and separated our seats to opposite sides - said they changed seats putting us together - got to airport to find no, they did not - we sat opposing sides of plane - food overly salty to inedible, never saw stewardess but once - it was terrible

My wife and I love to travel, so we fly a lot. We've already logged 381,075 miles and with practically every major airline. But this flight was very disappointing. It started off well, with no delays and a new plane. But when lunchtime approached, all that good impression was ruined. Instead of white tablecloths, we were offered small, dark placemats, which, as it turned out, were perfectly adequate for the food. All the food offered—and my wife and I only took fish, and the meat—was not just bad, it was downright disgusting and not heated enough. The same applies to the appetizers. This was the first time in many years of traveling that we've been offered such disgusting food.

Lost luggage stuck no clothes and no word after 2 days leaving on cruise no stuff or clothes

This particular flight wasn't very full at the back, so there were three seats available for spreading out and getting relatively comfortable

Original flight delayed several times and finally canceled at 2:30 in the morning. Staff at the gate was not very helpful in resolving problems or communicating why there were delays. I spent 34 hours at the airport before I could leave, they couldn't book me on another early flight even after canceling my original flight. Next flight available after my original flight was canceled was 22 hours later. I will never fly American Airlines again.

It was good, the staff was friendly and it was a typical flight to Europe.

First leg of the flight was delayed by 2 1/2 hours with very little communication. We scrambled trying to talk to airline people at the airport about our connecting flight and received all different answers and no help. We ended up at our destination almost five hours when we were supposed to arrive. We ended up missing an afternoon that was already paid for due to the delays.

Flight left 2 hours late as it had to wait for luggage from American to be loaded. This cause me to miss my flight to Athens. The USB ports were broken so by the time I arrived in London my phone was out of battery.

Our 9:00 pm flight was cancelled on our way too the airport!!! No reason was given too us!!! So stressful!!! I couldn’t believe it!!! Thank goodness we arrived 6 hours ahead of time. We were able too get on an earlier flight. Than everything was great!!

Everything you need to know for your flight from Peoria to Heathrow

Information on your arrival and departure airports