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Cheap flights from Toronto to Boston

One-way from $121, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Jan 17Any priceMon, Jan 18Any priceTue, Jan 19Any priceWed, Jan 20$121Thu, Jan 21Any priceFri, Jan 22Any priceSat, Jan 23Any priceSun, Jan 24Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$121
Porter Airlines Canada, flight PD 2617Found today, 1 adult
Check live price
5:20pmTorontoWed, Jan 20
Travel time 1h 50m, nonstopYYZBOS
7:10pmBostonWed, Jan 20
$135
Porter Airlines Canada, flight PD 2617Found 4 days ago, 1 adult
Check live price
5:20pmTorontoSat, Oct 31
Travel time 1h 50m, nonstopYYZBOS
7:10pmBostonSat, Oct 31
$136
Porter Airlines Canada, flight PD 2617Found yesterday, 1 adult
Check live price
5:20pmTorontoFri, Dec 25
Travel time 1h 50m, nonstopYYZBOS
7:10pmBostonFri, Dec 25
$156
Porter Airlines, flight P3 2947Found 5 days ago, 1 adult
Check live price
8:00pmTorontoTue, Oct 27
Travel time 1h 32m, nonstopYTZBOS
9:32pmBostonTue, Oct 27
$163
Porter Airlines Canada, flight PD 2615Found 6 days ago, 1 adult
Check live price
7:20amTorontoThu, Oct 29
Travel time 1h 50m, nonstopYYZBOS
9:10amBostonThu, Oct 29

Round trips

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

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Boston, booked ahead at a fixed price.
    See options
  • Things to do in BostonPopular tours from $38 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United States 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

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26$42927$15628$23429$16330$19031$135

November 2026

MoTuWeThFrSaSu1$1882–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–2425262728293031
$136 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 31, $135.

Lowest fares by month

In the fares found this week, January 2027 has the lowest: from $121 one-way, against $188 in November. Pick a month to see its cheapest date.

  1. Oct$135
  2. Nov$188
  3. Dec$136
  4. Jan$121
  5. Febno fares yet
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200OctNovDec$121JanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$135Sat, Oct 31Nonstop
November$188Sun, Nov 1Nonstop
December$136Fri, Dec 25Nonstop
January 2027$121Wed, Jan 20Nonstop
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Boston. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$135$188$136$121––––––––
High °C17°11°6°3°4°8°14°19°25°28°27°23°
Low °C9°3°-2°-5°-4°-0°5°10°15°19°18°15°
Precipitation mm102931098682106928399838290

Source: Boston on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

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

In the fares found this week, January 2027 has the lowest: from $121 one-way, against $188 in November.

What is the weather in Boston in January 2027?

In January 2027, the cheapest month to fly, the average daily high in Boston is 3 °C and the low -5 °C.

Are there direct flights from Toronto to Boston?

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

How long is the flight from Toronto to Boston?

A nonstop flight takes about 1h 32m. The distance is 443 mi.

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