Toronto to Washington YHM, YTZ, YYZ → DCA, IAD
Hamilton Airport (YHM), Toronto City Centre Airport (YTZ), Pearson International Airport (YYZ) → Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD)
The cheapest return found recently is C$284 (US$201) with Porter Airlines Canada, 5 Nov – 7 Nov, found today. The cheapest one-way found recently is C$185 (US$131) with Porter Airlines, 5 Nov, found yesterday.
Return
The cheapest return fare on each of 6 departure dates is usually C$308 (US$218) to C$463 (US$327).
Cheapest return found recently
C$284 (US$201)
5 Nov – 7 Nov · Porter Airlines Canada
Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD)
Leaves 9:10 a.m. · Return leaves 11:20 a.m. · 2 h 59 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
C$284 (US$201)
5 Nov – 7 Nov · Porter Airlines Canada
Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD)
Leaves 9:10 a.m. · Return leaves 11:20 a.m. · 2 h 59 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
C$284 (US$201) 5 Nov – 7 Novfound todaySee prices for these dates
C$234 (US$165) 30 Oct – 3 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was C$234 (US$165) to C$284 (US$201).
At C$284 (US$201), the cheapest return found recently is at the high end of that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 22 Oct to 28 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 5 Nov to compare.
Every date we hold
18 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Oct – 26 Oct | C$616 (US$435) | Porter Airlines Canada | Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 30 Oct – 3 Nov | C$234 (US$165) | Air Canada | Toronto City Centre Airport (YTZ) → Ronald Reagan National Airport (DCA) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 5 Nov – 7 Nov | C$284 (US$201) | Porter Airlines Canada | Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found today | See prices for these dates |
| 18 Dec – 2 Jan 2027 | C$378 (US$267) | Air Canada | Pearson International Airport (YYZ) → Ronald Reagan National Airport (DCA) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 19 Dec – 2 Jan 2027 | C$378 (US$267) | Air Canada | Pearson International Airport (YYZ) → Ronald Reagan National Airport (DCA) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 28 Jul 2027 – 30 Jul 2027 | C$491 (US$347) | Porter Airlines Canada | Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from C$234 (US$165).
Airlines on the cheapest dates: Porter Airlines Canada, Air Canada.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
C$185 (US$131)
5 Nov · Porter Airlines
Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD)
Leaves 9:10 a.m. · 1 h 29 min trip
nonstop
found yesterday
Cheapest nonstop one-way
C$185 (US$131)
5 Nov · Porter Airlines
Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD)
Leaves 9:10 a.m. · 1 h 29 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
C$185 (US$131) 5 Novfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 17 days, 25 Sept to 18 Oct, the cheapest one-way we saw each day was C$174 (US$123) to C$185 (US$131).
At C$185 (US$131), the cheapest one-way found recently is at the high end of that range.
17 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 5 Nov to compare.
Every date we hold
2 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Nov | C$185 (US$131) | Porter Airlines | Toronto City Centre Airport (YTZ) → Washington Dulles International Airport (IAD) | nonstop | found yesterday | Open this trip |
Airlines on the cheapest dates: Porter Airlines.
Premium cabin fares from Toronto to Washington
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 5 Nov – 7 Nov in another cabin: Premium economy · Business · First
Today's prices for 5 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Toronto to Washington?
Return
Fares 14 to 29 days before departure were typically 36% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | C$420 (US$297) | C$355 (US$251) | +56% | 21 |
| 7–13 days | C$320 (US$226) | C$284 (US$201) | +18% | 21 |
| 14–29 days | C$270 (US$191) | C$234 (US$165) | Cheapest seen | 23 |
| 30–59 days | C$284 (US$201) | C$268 (US$189) | +5% | 15 |
| 90–179 days | C$467 (US$330) | C$467 (US$330) | +73% | 8 |
| 180+ days | C$542 (US$383) | C$491 (US$347) | +101% | 8 |
One-way
Not enough history yet: in 17 days of one-way prices, 25 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Toronto → Baltimore
57 km from Washington
C$628 (US$444)
C$344 (US$243) more than flying to Washington
30 Oct – 3 Nov · YHM → BWI · out 2 stops, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Buffalo → Washington
95 km from Toronto
C$309 (US$218)
C$123 (US$87) more than flying from Toronto
27 Oct · BUF → DCA · 1 stop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 5 Nov – 7 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-10-16, US dollars in brackets. Fares change, so check today's price before you book. How our prices work