
| Most accurate provider | Justfly.com 3 stars | 
|---|---|
| Most trusted provider | Justfly.com 3 stars | 
| Round-trip from | $465 (Mytrip) | 
| One-way from | $232 (Kiwi.com) | 
| Popular in | June | 
| Cheapest in | February | 
| Average price | $670 | 
| Good round-trip deal | $705 or less | 
| Good one-way deal | $436 or less | 
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Mon 2/9
10:24 am-9:20 am
2 stops16h 56m
London Heathrow
Fri 2/13
7:05 am-4:45 pm
2 stops15h 40m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Thu 1/8
6:30 pm-6:05 pm
2 stops17h 35m
London Stansted
Tue 1/13
4:10 pm-5:20 pm
2 stops31h 10m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Sat 1/31
6:30 pm-10:55 am
1 stop10h 25m
London Gatwick
Mon 3/2
11:55 am-5:20 pm
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Fri 1/30
6:30 pm-10:55 am
1 stop10h 25m
London Gatwick
Mon 3/2
11:55 am-5:20 pm
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Sat 1/31
6:30 pm-10:55 am
1 stop10h 25m
London Gatwick
Sun 3/1
11:55 am-5:20 pm
1 stop11h 25m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sat 1/31
6:30 pm-10:50 am
1 stop10h 20m
London Heathrow
Sun 3/1
12:15 pm-5:20 pm
1 stop11h 05m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 2/24
6:30 pm-10:50 am
1 stop10h 20m
London Heathrow
Mon 3/2
12:15 pm-5:20 pm
1 stop11h 05m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Sun 11/9
9:50 pm-11:00 pm
2 stops19h 10m
London Stansted
Tue 11/18
9:45 pm-1:10 pm
2 stops21h 25m
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Mon 11/17
3:50 pm-8:35 am
1 stop10h 45m
London Luton
Sun 11/23
8:05 am-2:00 pm
1 stop11h 55m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Mon 11/17
7:40 pm-2:20 pm
1 stop12h 40m
London Stansted
Sun 11/23
8:30 am-2:00 pm
1 stop11h 30m
Currently, May is the cheapest month in which you can book a flight from Illinois to England (average of $397). Flying from Illinois to England in July is currently the most expensive (average of $603). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Illinois to England in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Illinois to England flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$51 | Average$625 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$257 | Average$701 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$338 | Average$621 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$345 | Average$936 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$430 | Average$871 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$450 | Average$644 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$481 | Average$658 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$487 | Average$677 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$502 | Average$829 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$505 | Average$815 | FlexibilityNo cancel fee | On-timeN/A |