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Cheap flights from Boston to Toronto

One-way from $94, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Fri, Oct 23$139Sat, Oct 24Any priceSun, Oct 25Any priceMon, Oct 26$94Tue, Oct 27Any priceWed, Oct 28Any priceThu, Oct 29Any priceFri, Oct 30Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$94
Porter Airlines, flight P3 2346Found 6 days ago, 1 adult
Check price on Aviasales
1:15pmBostonMon, Oct 26
Travel time 2h 38m, 1 stopBOSYTZ
3:53pmTorontoMon, Oct 26
Cheapest nonstop
$137
Porter Airlines, flight P3 2616Found 7 days ago, 1 adult
Check price on Aviasales
9:50amBostonWed, Nov 4
Travel time 2h 10m, nonstopBOSYYZ
12:00pmTorontoWed, Nov 4
$139
Air Canada, flight AC 767Found yesterday, 1 adult
Check price on Aviasales
6:00amBostonFri, Oct 23
Travel time 1h 56m, nonstopBOSYYZ
7:56amTorontoFri, Oct 23
$161
United Airlines, flight UA 8529Found 3 days ago, 1 adult
Check price on Aviasales
6:00amBostonSun, Oct 11
Travel time 1h 56m, nonstopBOSYYZ
7:56amTorontoSun, Oct 11
$162
Air Canada, flight AC 773Found 4 days ago, 1 adult
Check price on Aviasales
5:05pmBostonSat, Oct 10
Travel time 1h 52m, nonstopBOSYYZ
6:57pmTorontoSat, Oct 10

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in CanadaTravel eSIM from $7, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Toronto, booked ahead at a fixed price.
    See options
  • Things to do in TorontoPopular tours from $27.53 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Canada from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed 3+ hours or cancelled for a reason within the airline’s control? Up to CA$1,000 per person under Canada’s rules.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234–5–6–7$1648–9$29210$16211$16112–13$17014–15–16$16517–18–19–20–21–22–23$13924–25–26$9427–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4$1375–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$139 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 26, $94.

Lowest fares by month

In the fares found this week, October has the lowest: from $94 one-way, against $199 in February 2027. Pick a month to see its cheapest date.

$0$100$200$94OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$94Mon, Oct 261 stop
November$137Wed, Nov 4Nonstop
December—
January 2027—
February 2027$199Fri, Feb 121 stop
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

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

In the fares found this week, October has the lowest: from $94 one-way, against $199 in February 2027.

Are there direct flights from Boston to Toronto?

Yes. Recent fares include nonstop flights with Air Canada, Porter Airlines Canada, Porter Airlines and United Airlines.

How long is the flight from Boston to Toronto?

A nonstop flight takes about 1h 47m. The distance is 432 mi.

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