Flights San Diego → Montréal
As of November 2026, economy flights from San Diego to Montréal have a typical range USD 1408–3392, median USD 1878. Full range across all 471 offers: USD 877–6363. We analyzed 471 offers from 9 airlines in a single price check.
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: San Diego → Montréal
Based on 471 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Diego → Montréal
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Delta | — | USD 90 | — |
| Frontier | — | — | — |
| United Airlines | — | — | — |
| United | — | USD 100 | — |
| Air Canada | — | USD 90 | — |
| Air Canada | Included | — | — |
| Delta | — | — | — |
| American Airlines | — | — | — |
| WestJet | — | — | — |
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 San Diego to Montréal cost?
Based on 471 offers · November 2026
San Diego to Montréal flights ranged from USD 877 to USD 6363 across 471 offers analyzed in November 2026. The chart below shows how prices distributed across all 471 offers.
These 471 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 1584 and USD 2724
What hidden fees do San Diego to Montréal flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Diego to Montréal routes. The breakdown below is based on 471 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| Delta | 90 | 8% |
| F9 | 10 | 1% |
| UA | 10 | 1% |
| United | 100 | 7% |
| Air Canada | 90 | 6% |
| AC | 12 | 1% |
| DL | 10 | 0% |
| AA | 11 | 1% |
| WS | 12 | 1% |
United: base ~USD 1309 + fees USD 100 = ~USD 1409 total. United Airlines: base ~USD 1697 + fees USD 10 = ~USD 1707 total.
United's USD 100 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 388 base difference shrinks to USD 298 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 San Diego to Montréal?
9 airlines flew San Diego to Montréal in this dataset. 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 (Frontier Airlines), fares ranged USD 1029–1149 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) |
|---|---|---|---|---|
 Frontier Airlines | 20 | 1029–1149 | 1124 | 10 (1%) |
 Delta | 6 | 901–1274 | 1143 | 90 (8%) |
 United | 30 | 1347–1519 | 1409 | 100 (7%) |
 Air Canada | 6 | 1408–1524 | 1485 | 90 (6%) |
 American Airlines | 80 | 1588–2046 | 1687 | 11 (1%) |
 United Airlines | 75 | 1503–2146 | 1707 | 10 (1%) |
 Air Canada | 83 | 1515–2730 | 2006 | 12 (1%) |
 WestJet | 1 | — | 2217 | 12 (1%) |
 Delta Air Lines | 170 | 1873–4076 | 2714 | 10 (0%) |
Where do the best San Diego → Montréal prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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: San Diego to Montréal flights
- Full-service carriers on San Diego–Montréal cost 1.0x more than budget airlines (USD 1736 vs USD 1671 median; overall median USD 1878).
- United charges 10.0x more in ancillary fees than DL — USD 100 vs USD 10 avg per booking.
- The same route priced USD 1102 apart depending on where it was booked — the lowest median was USD 1120. 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 San Diego to Montréal cost?
- Based on 471 offers analyzed, San Diego to Montréal flights range from USD 877 to USD 6363, with a median price of USD 1878. Search for your specific dates →
- What hidden fees should I expect on San Diego to Montréal flights?
- On average, ancillary fees (bags, seat selection) add USD 18 to the base fare on San Diego to Montréal flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Diego to Montréal including all fees?
- Frontier Airlines has the lowest median fare on San Diego to Montréal at USD 1124 (median across 20 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Diego–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 1120. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Diego to Montréal routes?
- San Diego to Montréal has 9 airlines competing, creating a price range from USD 877 to USD 6363 across 471 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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