At the moment, the best time to book a non-stop flight to Chicago is in January with an average price of £601. If you're looking to fly direct to Chicago in July, expect to pay the most, with an average price of £782. Keep in mind that different factors like airlines, departure airports, and times can affect the cost of your flight, so it's a good idea to compare these to find the best deal.
January
£478
February
£493
March
£484
April
£495
May
£513
June
£602
July
£622
August
£570
September
£533
October
£515
November
£496
December
£500
Fly from
Budget
£403 - £547
Route
Depart
Return
Price
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 10/9
Nonstop8h 40m
Chicago O'Hare Intl
Mon 23/9
Nonstop7h 50m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 25/9
Nonstop8h 40m
Chicago O'Hare Intl
Mon 30/9
Nonstop7h 50m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 10/9
Nonstop8h 40m
Chicago O'Hare Intl
Mon 23/9
Nonstop7h 50m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Mon 28/10
Nonstop8h 55m
Chicago O'Hare Intl
Mon 4/11
Nonstop7h 40m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 29/10
Nonstop9h 20m
Chicago O'Hare Intl
Tue 5/11
Nonstop8h 00m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Fri 13/9
Nonstop8h 35m
Chicago O'Hare Intl
Mon 30/9
Nonstop7h 55m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 2/10
Nonstop8h 55m
Chicago O'Hare Intl
Tue 8/10
Nonstop8h 15m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Thu 12/9
Nonstop8h 55m
Chicago O'Hare Intl
Tue 17/9
Nonstop8h 05m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 22/5
Nonstop9h 05m
Chicago O'Hare Intl
Sun 26/5
Nonstop8h 15m
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
Boarding
Overall
Crew
Food
Comfort
Entertainment
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.
CHI Temperature | -5 - 23 °C |
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If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).