Flights Boston → Montréal
As of November 2026, economy flights from Boston to Montréal have a typical range USD 207–1684, median USD 444. Full range across all 119 offers: USD 122–2235. We found 28% of 119 offers from budget carriers (around USD 383) and 72% from full-service carriers (around USD 455).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Boston → Montréal
Based on 119 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → Montréal
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Porter Airlines | Included | Included | — |
| Air Canada | Included | USD 30 | — |
| United | — | USD 50 | — |
| United | Included | USD 35 | — |
| Air Canada | — | USD 45 | — |
| American Airlines | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| WestJet | Included | USD 30 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Boston to Montréal cost?
Based on 119 offers · November 2026
Boston to Montréal flights ranged from USD 122 to USD 2235 across 119 offers analyzed in November 2026. Two fare clusters detected: budget fares around 439 and premium fares around 1707 The chart below shows how prices distributed across all 119 offers.
These 119 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 342 and USD 687
What hidden fees do Boston to Montréal flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to Montréal routes. The breakdown below is based on 119 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| PD | 17 | 9% |
| AC | 29 | 8% |
| United | 50 | 23% |
| UA | 25 | 2% |
| Air Canada | 45 | 22% |
| AA | 45 | 9% |
| DL | 37 | 6% |
| WS | 38 | 5% |
United: base ~USD 157 + fees USD 50 = ~USD 207 total. United Airlines: base ~USD 521 + fees USD 25 = ~USD 546 total.
United's USD 50 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 364 base difference shrinks to USD 339 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Boston to Montréal?
8 airlines flew Boston to Montréal in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Porter Airlines), fares ranged USD 130–279 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Porter Airlines | 7 | 130–279 | 147 | 17 (12%) |
 United | 6 | 169–267 | 207 | 50 (24%) |
 Air Canada | 1 | — | 208 | 45 (22%) |
 Air Canada | 19 | 146–613 | 383 | 29 (8%) |
 American Airlines | 18 | 352–673 | 455 | 45 (10%) |
 Delta Air Lines | 23 | 307–1323 | 515 | 37 (7%) |
 United Airlines | 37 | 342–2191 | 546 | 25 (5%) |
 WestJet | 8 | 620–1052 | 824 | 38 (5%) |
Where do the best Boston → Montréal prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Boston to Montréal flights
- Full-service carriers on Boston–Montréal cost 0.4x more than budget airlines (USD 352 vs USD 824 median; overall median USD 444).
- United charges 2.9x more in ancillary fees than PD — USD 50 vs USD 17 avg per booking.
- The same route priced USD 339 apart depending on where it was booked — the lowest median was USD 207. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Boston to Montréal cost?
- Based on 119 offers analyzed, Boston to Montréal flights range from USD 122 to USD 2235, with a median price of USD 444. Search for your specific dates →
- What hidden fees should I expect on Boston to Montréal flights?
- On average, ancillary fees (bags, seat selection) add USD 33 to the base fare on Boston to Montréal flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to Montréal including all fees?
- Porter Airlines has the lowest median fare on Boston to Montréal at USD 147 (median across 7 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–Montréal flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 207. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to Montréal routes?
- Boston to Montréal has 8 airlines competing, creating a price range from USD 122 to USD 2235 across 119 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
8 airlines, two price clusters — find which fits your budget
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