Toronto → London
KLM · 09 Jul · 2 stop · 18h 16m· sample data
Outbound
10:00
YYZ
Toronto → Chicago1h 25m
KLM · KL4521 · Airbus A32083 kg CO₂
11:25
ORD
⏱ 2h 26m layover in Chicago
13:51
ORD
Chicago → Paris8h 55m
KLM · KL4522 · Boeing 777691 kg CO₂
22:46
CDG
⏱ 4h 35m layover in Paris
03:21
CDG
Paris → London0h 55m
KLM · KL4575 · Airbus A32046 kg CO₂
04:16
LHR
Connection quality
93/100 · Excellent- •2h 26m in Chicago (ORD) — comfortable sweet-spot connection.
- •4h 35m in Paris (CDG) — long; time for a meal or a lounge.
Carbon footprint
820 kg CO₂ per traveller — 22% above the median option for this search.(estimated)
The real all-in price
Base fareUS$311
TaxesUS$72
Carrier feesUS$5
Checked bag(included)Included
All-in totalUS$388
Standard seat selection est. +US$19 if you want it.
Book — US$388 →We link you out to book. We never add fees.
Is this a good price?
Good priceUS$400typical US$526US$711
At US$388, this fare is below what we've typically seen on this route lately (-26% vs typical).
Based on 91 days of tracked prices for this route. Not a prediction.
Getting into town
From Heathrow: ~US$18 · Elizabeth line ~£12
Door-to-door total ≈ US$406 incl. transfer.