To save up to 8% on this flight, we recommend booking at least 28 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 £546 1-2 weeks out and tickets from £561 for flights departing within the next 72 hours.
February can be a great time to fly to Illinois from London Heathrow Airport with a flight ticket averaging about £543. Cheapflights users have found deals in the month of February for as cheap as £373. The most expensive prices can be found in the month of July.
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.
Fly from
Fly to
Budget
£386 - £458
Route
Depart
Return
Price
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Thu 12/9
1 stop26h 10m
Chicago O'Hare Intl
Sat 28/9
1 stop12h 45m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 24/9
1 stop11h 05m
Chicago O'Hare Intl
Thu 3/10
Nonstop8h 15m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 24/9
1 stop14h 05m
Chicago O'Hare Intl
Thu 3/10
1 stop12h 01m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Mon 16/9
Nonstop8h 40m
Chicago O'Hare Intl
Thu 26/9
Nonstop7h 50m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Fri 7/6
1 stop17h 15m
Chicago O'Hare Intl
Sun 9/6
1 stop19h 55m
London HeathrowChicago Midway
LHR - MDW
LHRMDW
London Heathrow
Mon 28/10
2 stops15h 33m
Chicago Midway
Mon 4/11
1 stop15h 04m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 4/6
1 stop11h 10m
Chicago O'Hare Intl
Tue 10/9
1 stop18h 55m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Sat 14/9
1 stop11h 05m
Chicago O'Hare Intl
Wed 25/9
1 stop15h 35m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Thu 12/9
1 stop14h 05m
Chicago O'Hare Intl
Sun 22/9
1 stop19h 20m
No data available for this route at this time. Please check back soon.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Overall
Comfort
Boarding
Entertainment
Food
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
0%of flight departures | Early morningMidnight to 6 am |
---|---|
61%of flight departures | Morning6 am to noon |
39%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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