Cheap flights from London Heathrow Airport to Illinois from £190
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. 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.
LHR — ORD
30 Apr — 7 May1
Return
1 adult
Economy
Tue 30/4
Tue 7/5
How far in advance should I book a flight from London Heathrow Airport to Illinois?
To save up to 14% on this flight, we recommend booking at least 50 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Illinois from £542 1-2 weeks out and tickets from £584 for flights departing within the next 72 hours.
What is the cheapest month to fly from London Heathrow Airport to Illinois?
February can be a great time to fly to Illinois from London Heathrow Airport with a flight ticket averaging about £529. Cheapflights users have found deals in the month of February for as cheap as £308. The most expensive prices can be found in the month of July.
When is the cheapest time to fly from London Heathrow Airport to Illinois (LHR - IL)?
When flying from London Heathrow Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap Scandinavian Airlines flights from Heathrow to Illinois
Explore cheap flight options specifically provided by Scandinavian Airlines for the route between Heathrow and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Check out some of the cheapest Scandinavian Airlines flights we've come across from London to Illinois. Make sure to double check the flight details before booking.
Wed 29/509:55LHR - ORD
1 stop14h 00mScandinavian Airlines
Tue 3/1219:55ORD - LHR
1 stop14h 05mScandinavian Airlines
Deal found 24/4£434
Wed 29/506:40LHR - ORD
1 stop17h 15mScandinavian Airlines
Sun 29/919:45ORD - LHR
1 stop15h 55mScandinavian Airlines
Deal found 24/4£437
Tue 28/520:30LHR - ORD
1 stop27h 25mScandinavian Airlines
Mon 23/919:45ORD - LHR
1 stop14h 15mScandinavian Airlines
Deal found 24/4£458
Thu 30/521:05LHR - ORD
2 stops26h 50mScandinavian Airlines
Wed 4/1219:55ORD - LHR
1 stop15h 45mScandinavian Airlines
Deal found 24/4£462
Wed 1/521:05LHR - ORD
2 stops26h 50mScandinavian Airlines
Mon 6/519:45ORD - LHR
1 stop19h 55mScandinavian Airlines
Deal found 24/4£555
Thu 2/507:05LHR - ORD
2 stops16h 50mScandinavian Airlines
Sun 5/519:45ORD - LHR
2 stops19h 35mScandinavian Airlines
Deal found 25/4£573
Cheap Icelandair flights from Heathrow to Illinois
Explore cheap flight options specifically provided by Icelandair for the route between Heathrow and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Some of the best deals we've found on Icelandair flights travelling from London to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 11/621:25LHR - ORD
1 stop26h 50mIcelandair
Tue 24/919:25ORD - LHR
1 stop10h 30mIcelandair
Deal found 24/4£449
Mon 13/521:25LHR - ORD
1 stop26h 55mIcelandair
Mon 3/622:15ORD - LHR
1 stop16h 05mIcelandair
Deal found 24/4£463
Tue 30/413:05LHR - ORD
1 stop11h 15mIcelandair
Thu 27/622:15ORD - LHR
1 stop31h 40mIcelandair
Deal found 24/4£537
Wed 1/513:05LHR - ORD
1 stop11h 15mIcelandair
Mon 6/519:30ORD - LHR
1 stop18h 50mIcelandair
Deal found 24/4£557
Thu 2/513:10LHR - ORD
1 stop11h 10mIcelandair
Wed 8/508:40ORD - LHR
2 stops21h 15mIcelandair
Deal found 24/4£679
Cheap Heathrow to Illinois flights in April & May 2024
Find cheap flight options from Heathrow to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 928,181 searches. Prices were last updated on 25 April 2024.
Listed are some of the best fares we've found on flights departing from London to Illinois in 2024. Check back in a little while for more flight options.
Wed 15/507:30LHR - ORD
1 stop15h 55mFinnair
Sun 19/520:20ORD - LHR
1 stop31h 50mFinnair
Deal found 24/4£407
Wed 15/510:20LHR - ORD
1 stop13h 05mFinnair
Mon 20/508:20ORD - LHR
Nonstop7h 50mFinnair
Deal found 25/4£408
Tue 14/506:15LHR - ORD
1 stop14h 05mFinnair
Mon 20/518:00ORD - LHR
Nonstop7h 50mFinnair
Deal found 25/4£414
Wed 8/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 15/518:00ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 24/4£415
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 15/523:00ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 24/4£417
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 8/513:40ORD - LHR
1 stop11h 50mAmerican Airlines
Deal found 24/4£418
Wed 8/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Mon 13/518:00ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 25/4£419
Wed 8/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 15/513:45ORD - LHR
1 stop12h 15mAmerican Airlines
Deal found 24/4£419
Wed 15/510:20LHR - ORD
1 stop13h 05mAmerican Airlines
Wed 22/515:20ORD - LHR
1 stop14h 50mAmerican Airlines
Deal found 24/4£420
Heathrow to Illinois 2024 flight deals
Discover exclusive flight deals for travel between Heathrow and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Listed are some of the best fares we've found on flights departing from London to Illinois in 2024. Check back in a little while for more flight options.
Wed 6/1106:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Sun 10/1120:25ORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Deal found 25/4£372
Tue 19/1118:30LHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
Wed 4/1219:15ORD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 24/4£394
Tue 24/919:50LHR - ORD
1 stop26h 20mTAP AIR PORTUGAL
Mon 30/918:00ORD - LHR
1 stop18h 50mTAP AIR PORTUGAL
Deal found 25/4£398
Tue 19/1115:45LHR - ORD
Nonstop9h 00mBritish Airways
Wed 4/1221:45ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 24/4£399
Tue 24/911:05LHR - ORD
Nonstop8h 40mBritish Airways
Mon 30/916:45ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 25/4£400
Sat 21/906:00LHR - ORD
1 stop16h 10mTAP AIR PORTUGAL
Sun 6/1018:00ORD - LHR
1 stop12h 45mTAP AIR PORTUGAL
Deal found 24/4£401
Fri 13/906:00LHR - ORD
1 stop16h 00mTAP AIR PORTUGAL
Mon 30/918:00ORD - LHR
1 stop18h 50mTAP AIR PORTUGAL
Deal found 25/4£406
Wed 15/507:30LHR - ORD
1 stop15h 55mFinnair
Sun 19/520:20ORD - LHR
1 stop31h 50mFinnair
Deal found 24/4£407
Wed 15/510:20LHR - ORD
1 stop13h 05mFinnair
Mon 20/508:20ORD - LHR
Nonstop7h 50mFinnair
Deal found 25/4£408
Direct flights to Illinois from Heathrow
Discover direct flight options from Heathrow to Illinois. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
If you're seeking options on non-stop flights from London to Illinois, check out these fares. Search for alternative flights from London to Illinois by utilising the search form above.
Wed 8/508:10LHR - ORD
Nonstop8h 35mFinnair
Mon 13/520:30ORD - LHR
Nonstop7h 50mFinnair
Deal found 24/4£423
Wed 8/508:10LHR - ORD
Nonstop8h 35mAmerican Airlines
Wed 15/523:00ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 24/4£425
Mon 13/511:05LHR - ORD
Nonstop8h 40mBritish Airways
Mon 20/523:00ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 25/4£433
Wed 15/513:10LHR - ORD
Nonstop8h 40mBritish Airways
Sun 19/523:00ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 24/4£435
Wed 12/613:10LHR - ORD
Nonstop8h 40mBritish Airways
Thu 26/921:20ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 24/4£447
Tue 28/511:05LHR - ORD
Nonstop8h 40mBritish Airways
Mon 23/921:15ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 24/4£449
Fri 17/514:45LHR - ORD
Nonstop8h 35mFinnair
Mon 20/508:20ORD - LHR
Nonstop7h 50mFinnair
Deal found 24/4£451
Sat 11/514:45LHR - ORD
Nonstop8h 35mFinnair
Wed 15/518:00ORD - LHR
Nonstop7h 50mFinnair
Deal found 25/4£455
Wed 15/512:15LHR - ORD
Nonstop8h 40mAmerican Airlines
Sun 19/520:30ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 25/4£455
Heathrow to Illinois flights leaving soon
Find last-minute flight options from Heathrow to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Consider one of these great deals we found on last-minute flights from London to Illinois. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 8/508:20ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 24/4£415
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 15/523:00ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 24/4£417
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 8/513:40ORD - LHR
1 stop11h 50mAmerican Airlines
Deal found 24/4£418
Wed 1/506:10LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 15/516:53ORD - LHR
1 stop11h 57mAmerican Airlines
Deal found 24/4£421
Wed 1/514:25LHR - ORD
Nonstop8h 40mFinnair
Wed 15/518:00ORD - LHR
Nonstop7h 50mFinnair
Deal found 24/4£423
Wed 1/508:10LHR - ORD
Nonstop8h 35mAmerican Airlines
Wed 8/523:00ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 24/4£425
Wed 1/509:55LHR - ORD
2 stops14h 40mDelta
Wed 15/507:09ORD - LHR
1 stop17h 36mDelta
Deal found 24/4£431
Thu 2/509:00LHR - ORD
1 stop12h 00mVirgin Atlantic
Mon 20/517:15ORD - LHR
1 stop10h 45mVirgin Atlantic
Deal found 25/4£438
Thu 2/506:15LHR - ORD
1 stop14h 05mFinnair
Mon 20/518:00ORD - LHR
Nonstop7h 50mFinnair
Deal found 25/4£443
One-way flights to Illinois from Heathrow
Search for one-way flight options from Heathrow to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Users in need of a one-way flight from London to Illinois can choose from these deals. Users can also find round-trip London to Illinois flights by using the search form above.
Wed 5/620:15LHR - MDW
2 stops41h 17mMultiple Airlines
Deal found 24/4£190
Mon 6/519:10LHR - ORD
2 stops45h 04mMultiple Airlines
Deal found 24/4£211
Mon 6/520:30LHR - ORD
3 stops43h 44mMultiple Airlines
Deal found 24/4£228
Fri 31/507:45LHR - ORD
2 stops34h 27mMultiple Airlines
Deal found 24/4£236
Wed 12/620:15LHR - MDW
2 stops41h 17mMultiple Airlines
Deal found 24/4£244
Wed 5/620:15LHR - ORD
2 stops42h 49mMultiple Airlines
Deal found 24/4£248
Fri 31/507:45LHR - ORD
3 stops36h 40mMultiple Airlines
Deal found 24/4£262
Mon 3/621:05LHR - ORD
3 stops43h 08mMultiple Airlines
Deal found 24/4£265
Mon 3/614:30LHR - ORD
2 stops25h 44mMultiple Airlines
Deal found 24/4£267
Find flights from Heathrow to Illinois within your budget
Customise your flight search to find flights from Heathrow to Illinois 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 928,181 searches. Data last updated 25 April 2024.
Fly from
Any airport
Fly to
Any airport
Budget
£401 - £445
Route
Depart
Return
Price
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Sat 21/9
1 stop16h 10m
Chicago O'Hare Intl
Sun 6/10
1 stop12h 45m
£401
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 15/5
1 stop15h 55m
Chicago O'Hare Intl
Sun 19/5
1 stop31h 50m
£407
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 8/5
1 stop13h 35m
Chicago O'Hare Intl
Wed 15/5
Nonstop7h 50m
£415
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 8/5
2 stops16h 03m
Chicago O'Hare Intl
Wed 15/5
1 stop13h 40m
£432
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 29/5
1 stop14h 00m
Chicago O'Hare Intl
Tue 3/12
1 stop14h 05m
£434
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 15/5
Nonstop8h 40m
Chicago O'Hare Intl
Sun 19/5
Nonstop7h 45m
£435
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 28/5
1 stop14h 05m
Chicago O'Hare Intl
Mon 23/9
Nonstop7h 50m
£443
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Thu 30/5
2 stops31h 20m
Chicago O'Hare Intl
Tue 24/9
1 stop16h 05m
£443
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Fri 17/5
1 stop11h 40m
Chicago O'Hare Intl
Tue 21/5
1 stop12h 55m
£445
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 25 April 2024.
Read reviews from past customers who have flown Scandinavian Airlines, Icelandair and Air Canada from London to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
10,975 reviews
Comfort
7.9
Overall
8.1
Food
7.4
Boarding
8.2
Entertainment
8.0
Crew
8.6
Reviews
1 / 10
Terrible flight crew that skipped our row for service multiple times.
10,975 reviews
10,975 reviews
Comfort
7.9
Overall
8.1
Food
7.4
Boarding
8.2
Entertainment
8.0
Crew
8.6
Reviews
1 / 10
Terrible flight crew that skipped our row for service multiple times.
1,628 reviews
10,975 reviews
Comfort
7.9
Overall
8.1
Food
7.4
Boarding
8.2
Entertainment
8.0
Crew
8.6
Reviews
1 / 10
Terrible flight crew that skipped our row for service multiple times.
1,383 reviews
10,975 reviews
Comfort
7.9
Overall
8.1
Food
7.4
Boarding
8.2
Entertainment
8.0
Crew
8.6
Reviews
1 / 10
Terrible flight crew that skipped our row for service multiple times.
749 reviews
10,975 reviews
Comfort
7.9
Overall
8.1
Food
7.4
Boarding
8.2
Entertainment
8.0
Crew
8.6
Reviews
1 / 10
Terrible flight crew that skipped our row for service multiple times.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Heathrow to Illinois
Discover the top 10 airlines that operate flights from Heathrow to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Search flights from Heathrow to Illinois by cabin class
Find flights from Heathrow to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Heathrow to Illinois
Find hourly flight availability from Heathrow to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 April 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 62%of flight departures | Morning6 am to noon |
| 37%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Midday
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Illinois?
Cheapflights helps you search for flights from Heathrow to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Illinois?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Illinois for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Illinois with no change fees.
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Of course! You can now track prices for flights from Heathrow to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.