Washington DC (IAD)Montréal-Pierre Elliott Trudeau International (YUL)
- non-stop flights:
- 3–7 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $324number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
2–5 2–5 2–5 2–5 2–5 2–5 2–5 
1–2 1–2 1–2 1–2 1–2 1–2 1–2 Washington DC (IAD)Toronto (YYZ)
- non-stop flights:
- 6–7 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $376number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4–5 4–5 4–5 4–5 4–5 4–5 4–5 
2 2 2 2 2 2 2