Flights Washington DC → Montréal
As of November 2026, economy flights from Washington DC to Montréal have a typical range USD 310–1234, median USD 547. Full range across all 586 offers: USD 289–1978. We analyzed 586 offers from 10 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: Washington DC → Montréal
Based on 586 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Washington DC → Montréal
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Porter Airlines | — | — | — |
| Air Canada | — | — | — |
| United Airlines | — | — | — |
| Delta | — | USD 77 | — |
| Air Canada | — | USD 77 | — |
| United | — | USD 82 | — |
| Delta | — | — | — |
| Air Transat | — | — | — |
| 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 Washington DC to Montréal cost?
Based on 586 offers · November 2026
Washington DC to Montréal flights ranged from USD 289 to USD 1978 across 586 offers analyzed in November 2026. The chart below shows how prices distributed across all 586 offers.
These 586 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 378 and USD 1037
What hidden fees do Washington DC to Montréal flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Washington DC to Montréal routes. The breakdown below is based on 586 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| PD | 10 | 3% |
| AC | 12 | 2% |
| UA | 10 | 2% |
| Delta | 77 | 25% |
| Air Canada | 78 | 25% |
| United | 82 | 24% |
| DL | 10 | 3% |
| TS | 10 | 2% |
| AA | 10 | 1% |
| WS | 12 | 1% |
United: base ~USD 231 + fees USD 82 = ~USD 313 total. United Airlines: base ~USD 384 + fees USD 10 = ~USD 394 total.
United's USD 82 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 153 base difference shrinks to USD 81 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 Washington DC to Montréal?
10 airlines flew Washington DC 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 (Porter Airlines), fares ranged USD 289–304 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 | 19 | 289–304 | 302 | 10 (3%) |
 Delta | 1 | — | 304 | 77 (25%) |
 Air Canada | 33 | 309–310 | 310 | 78 (25%) |
 United | 13 | 310–436 | 313 | 82 (26%) |
 United Airlines | 70 | 325–754 | 394 | 10 (3%) |
 Delta Air Lines | 114 | 350–431 | 396 | 10 (3%) |
 Air Transat | 1 | — | 480 | 10 (2%) |
 Air Canada | 130 | 294–1978 | 588 | 12 (2%) |
 WestJet | 88 | 687–1291 | 1129 | 12 (1%) |
 American Airlines | 117 | 891–1259 | 1137 | 10 (1%) |
Where do the best Washington DC → 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: Washington DC to Montréal flights
- Full-service carriers on Washington DC–Montréal cost 0.4x more than budget airlines (USD 469 vs USD 1129 median; overall median USD 547).
- United charges 8.2x more in ancillary fees than AA — USD 82 vs USD 10 avg per booking.
- The same route priced USD 525 apart depending on where it was booked — the lowest median was USD 294. 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 Washington DC to Montréal cost?
- Based on 586 offers analyzed, Washington DC to Montréal flights range from USD 289 to USD 1978, with a median price of USD 547. Search for your specific dates →
- What hidden fees should I expect on Washington DC to Montréal flights?
- On average, ancillary fees (bags, seat selection) add USD 16 to the base fare on Washington DC to Montréal flights. See itemized fees for your itinerary →
- Which airline is cheapest on Washington DC to Montréal including all fees?
- Porter Airlines has the lowest median fare on Washington DC to Montréal at USD 302 (median across 19 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Washington DC–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 294. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Washington DC to Montréal routes?
- Washington DC to Montréal has 10 airlines competing, creating a price range from USD 289 to USD 1978 across 586 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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