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 £775. 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
£473
February
£488
March
£479
April
£490
May
£515
June
£593
July
£610
August
£562
September
£526
October
£509
November
£490
December
£494
Fly from
Budget
£474 - £998
Route
Depart
Return
Price
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 12/6
Nonstop8h 42m
Chicago O'Hare Intl
Wed 10/7
Nonstop7h 40m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Wed 6/11
Nonstop9h 00m
Chicago O'Hare Intl
Wed 13/11
Nonstop7h 45m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 18/6
Nonstop8h 35m
Chicago O'Hare Intl
Tue 25/6
Nonstop7h 50m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Mon 28/10
Nonstop9h 00m
Chicago O'Hare Intl
Mon 4/11
Nonstop7h 40m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Thu 12/9
Nonstop8h 55m
Chicago O'Hare Intl
Mon 23/9
Nonstop8h 15m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Sat 2/11
Nonstop9h 20m
Chicago O'Hare Intl
Wed 6/11
Nonstop8h 00m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Mon 24/6
Nonstop8h 55m
Chicago O'Hare Intl
Wed 10/7
Nonstop8h 10m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Mon 1/7
Nonstop9h 10m
Chicago O'Hare Intl
Thu 11/7
Nonstop8h 15m
London HeathrowChicago O'Hare Intl
LHR - ORD
LHRORD
London Heathrow
Tue 27/8
Nonstop8h 55m
Chicago O'Hare Intl
Sun 1/9
Nonstop8h 10m
Comfort
Food
Entertainment
Crew
Overall
Boarding
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.
Comfort
Food
Entertainment
Crew
Overall
Boarding
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.
Comfort
Food
Entertainment
Crew
Overall
Boarding
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.
Comfort
Food
Entertainment
Crew
Overall
Boarding
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.
Comfort
Food
Entertainment
Crew
Overall
Boarding
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.
Comfort
Food
Entertainment
Crew
Overall
Boarding
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).