Cheap flights from Washington to Toronto from $99 DCA, IAD → YTZ, YYZ

Found recently, and the cheapest we hold

What have prices looked like?

Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $168 to $430.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 4-night return fares leaving within 3 days of 10 Feb 2027 to compare.

Every date we hold

10 fares on 6 departure dates

Which month looks cheapest?

May 2027 is the cheapest month — from $237.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $57 to $106.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 1 Dec, and it is not cheaper.

Every date we hold

5 fares on 3 departure dates

Return

Fares 14 to 29 days before departure were typically 17% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (46 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.

One-way

Fares 30 to 59 days before departure were typically 26% lower than 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 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.

How much is a return flight from Washington to Toronto?

The cheapest return found recently is $281 with Air Canada, 10 Feb 2027 to 14 Feb 2027, found 2 days ago. The cheapest return we hold, of any age, is $237 with Porter Airlines Canada, 12 May 2027 to 19 May 2027, found 3 days ago. The cheapest return fare on each of 6 departure dates is usually $256 to $402.

How much is a one-way flight from Washington to Toronto?

The cheapest one-way found recently is $99 with Porter Airlines Canada, 1 Dec, found 4 days ago. The cheapest one-way fare on each of 3 departure dates is usually $102 to $112.

What is the cheapest month to fly from Washington to Toronto?

May 2027 is the cheapest month for a return, from $237, 12 May 2027 to 19 May 2027, found 3 days ago.

How far ahead should I book a flight from Washington to Toronto?

In 46 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 17% lower than 0 to 6 days before departure. In 49 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 26% lower than 7 to 13 days before departure.

Is there a direct flight from Washington to Toronto?

Yes, the cheapest nonstop return found recently is $237 with Porter Airlines Canada, 12 May 2027 to 19 May 2027, found 3 days ago. The cheapest nonstop one-way found recently is $99 with Porter Airlines Canada, 1 Dec, found 4 days ago.

How long is the flight from Washington to Toronto?

The cheapest nonstop one-way found recently, with Porter Airlines Canada on 1 Dec, takes 1 h 30 min from Washington Dulles International Airport (IAD) to Toronto City Centre Airport (YTZ).

Which airlines have the cheapest flights from Washington to Toronto?

Between 13 Nov and 12 May 2027, Porter Airlines Canada has the cheapest return on 3 of the 6 departure dates we hold, Air Canada on 2 and United Airlines on 1. Between 1 Dec and 18 Dec, Porter Airlines Canada has the cheapest one-way on 2 of the 3 departure dates we hold, and United Airlines on 1.