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Cheap flights from Peoria, Illinois to London Heathrow Airport from £267
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LHR
10 Nov — 17 Nov1
Cheap flight deals from Peoria to Heathrow
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Peoria to HeathrowExplore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.
Explore the most affordable flight options available from Peoria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.
Sun 8/1117:35 -
1 stop12h 25m
Tue 17/1109:00 -
2 stops20h 13m
Deal found 8/10£734
Sun 8/1110:43 -
1 stop15h 12m
Tue 17/1110:25 -
1 stop12h 22m
Deal found 10/10£751
Sun 8/1117:37 -
1 stop11h 58m
Tue 17/1115:40 -
1 stop14h 23m
Deal found 8/10£756
Sun 8/1117:37 -
1 stop11h 58m
Tue 17/1115:40 -
1 stop14h 23m
Deal found 11/10£758
Mon 23/1106:25 -
1 stop17h 30m
Mon 30/1112:05 -
2 stops38h 55m
Deal found 9/10£783
Tue 24/1108:15 -
2 stops16h 55m
Tue 1/1209:00 -
2 stops18h 00m
Deal found 10/10£786
Mon 23/1117:30 -
2 stops19h 00m
Mon 30/1120:15 -
2 stops50h 30m
Deal found 9/10£790
Mon 26/1010:43 -
1 stop20h 17m
Tue 10/1109:00 -
2 stops20h 13m
Deal found 8/10£825
Best flights from Peoria to HeathrowDiscover carefully curated flight deals from Peoria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Discover carefully curated flight deals from Peoria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Sun 8/1117:35 -
1 stop12h 25m
Tue 17/1109:00 -
2 stops20h 13m
Deal found 8/10£734
Sun 8/1117:37 -
1 stop11h 58m
Tue 17/1115:40 -
1 stop14h 23m
Deal found 8/10£756
Sun 14/210:56 -
1 stop12h 59m
Sun 28/213:45 -
2 stops35h 15m
Deal found 7/10£735
Sun 21/316:00 -
1 stop15h 15m
Sat 27/314:45 -
1 stop24h 49m
Deal found 8/10£827
Tue 24/1106:25 -
1 stop17h 30m
Tue 1/1209:00 -
2 stops18h 00m
Deal found 10/10£783
Mon 23/1106:25 -
2 stops18h 05m
Mon 30/1113:45 -
2 stops37h 15m
Deal found 9/10£783
Last-minute flights from Peoria to HeathrowDiscover last-minute flight deals from Peoria to Heathrow. Data last updated 11 October 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Heathrow. Data last updated 11 October 2026 and is based on user searches.
Mon 26/1010:43 -
1 stop20h 17m
Tue 10/1109:00 -
2 stops20h 13m
Deal found 8/10£825
Sun 8/1117:35 -
1 stop12h 25m
Tue 17/1109:00 -
2 stops20h 13m
Deal found 8/10£734
Sun 8/1110:43 -
1 stop15h 12m
Tue 17/1110:25 -
1 stop12h 22m
Deal found 10/10£751
Sun 8/1117:37 -
1 stop11h 58m
Tue 17/1115:40 -
1 stop14h 23m
Deal found 8/10£756
Sun 8/1117:37 -
1 stop11h 58m
Tue 17/1115:40 -
1 stop14h 23m
Deal found 11/10£758
Mon 23/1106:25 -
1 stop17h 30m
Mon 30/1112:05 -
2 stops38h 55m
Deal found 9/10£783
Mon 23/1117:30 -
2 stops19h 00m
Mon 30/1120:15 -
2 stops50h 30m
Deal found 9/10£790
Tue 24/1108:15 -
2 stops16h 55m
Tue 1/1209:00 -
2 stops18h 00m
Deal found 10/10£786
One-way flights from Peoria to HeathrowSearch for one-way flight options from Peoria to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Search for one-way flight options from Peoria to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Mon 22/318:16 -
1 stop12h 19m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£267
Sat 14/1117:37 -
2 stops30h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£1,106
Mon 22/310:56 -
2 stops15h 14m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£2,513
Find flight deals from Peoria to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 October 2026.
Cheapflights Fare Finder
Customise your flight search to find flights from Peoria to Heathrow 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, Cheapflights users made 7,457,451 searches. Data last updated 11 October 2026.
Use the filters below to find and compare flights from Peoria to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest return flight
Fastest return journey
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 22/3
18:16-11:35
1 stop12h 19m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£267
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sun 8/11
17:35-12:00
1 stop12h 25m
London Heathrow
Tue 17/11
09:00-23:13
2 stops20h 13m
£734
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sun 14/2
10:56-05:55
1 stop12h 59m
London Heathrow
Sun 28/2
13:45-19:00
2 stops35h 15m
£735
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sun 8/11
17:37-11:35
1 stop11h 58m
London Heathrow
Tue 17/11
15:40-00:03
1 stop14h 23m
£756
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Tue 24/11
06:25-05:55
1 stop17h 30m
London Heathrow
Tue 1/12
09:00-21:00
2 stops18h 00m
£783
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 23/11
06:25-06:30
2 stops18h 05m
London Heathrow
Mon 30/11
13:45-21:00
2 stops37h 15m
£783
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sun 21/3
16:00-12:15
1 stop15h 15m
London Heathrow
Sat 27/3
14:45-10:34
1 stop24h 49m
£827
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Sat 14/11
17:37-06:20
2 stops30h 43m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£1,106
PeoriaLondon
PIA Greater Peoria - LHR London Heathrow
PIALHR
Greater Peoria
Mon 22/3
10:56-07:10
2 stops15h 14m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£2,513
Sorted by cheapest first
Best time to book a flight from Peoria to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Peoria with our price prediction graph.
PIA-LHR
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Peoria to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsHounslow
Milton Keynes
Luton
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Peoria to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to England
Book a non-stop flight to one of these other cities located in England.
Search flights from Peoria to Heathrow by cabin class
Find flights from Peoria to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 October 2026.
Peoria and Heathrow flights
Browse other Peoria and Heathrow flight options. Last updated on 11 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Fly with Cheapflights
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How does Cheapflights help users find flights from Peoria to Heathrow?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Peoria to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Peoria to Heathrow?
Millions of users choose and trust Cheapflights to book the best flight deals from Peoria to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Peoria to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Peoria to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Peoria to Heathrow become cheaper?
Yes! Start tracking prices for Peoria to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.