Flights Ottawa → Washington
As of October 2026, economy flights from Ottawa to Washington have a typical range CAD 476–950, median CAD 580. Full range across all 237 offers: CAD 451–1750. We analyzed 237 offers from 6 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: Ottawa → Washington
Based on 237 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ottawa → Washington
Add-on pricing from the cheapest available offer per airline · October 2026 · CAD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air Canada | — | — | — |
| Porter Airlines | — | Included | — |
| Air Canada | — | CAD 90 | — |
| United Airlines | — | — | — |
| American Airlines | Included | CAD 35 | — |
| WestJet | Included | CAD 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 Ottawa to Washington cost?
Based on 237 offers · October 2026
Ottawa to Washington flights ranged from CAD 451 to CAD 1750 across 237 offers analyzed in October 2026. The chart below shows how prices distributed across all 237 offers.
These 237 offers (October 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 CAD 529 and CAD 714
What hidden fees do Ottawa to Washington flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ottawa to Washington routes. The breakdown below is based on 237 offers analyzed in October 2026.
| Carrier | Avg fee (CAD) | % of base fare |
|---|---|---|
| AC | 34 | 5% |
| PD | 14 | 3% |
| Air Canada | 90 | 16% |
| UA | 52 | 8% |
| AA | 45 | 4% |
| WS | 42 | 2% |
Air Canada: base ~CAD 478 + fees CAD 90 = ~CAD 568 total. WestJet: base ~CAD 1699 + fees CAD 42 = ~CAD 1741 total.
Air Canada's CAD 90 ancillary fees narrow the gap with WestJet's lower-fee model — the CAD 1221 base difference shrinks to CAD 1173 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.Air Canada charges 6.4x more in ancillary fees than PD on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Ottawa to Washington?
6 airlines flew Ottawa to Washington 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.
| Airline | Offers | Typical range (CAD) | Median (CAD) | Fees (CAD) |
|---|---|---|---|---|
 Porter Airlines | 1 | — | 463 | 14 (3%) |
 Air Canada | 133 | 476–941 | 533 | 34 (6%) |
 Air Canada | 11 | 476–644 | 568 | 90 (16%) |
 United Airlines | 77 | 564–753 | 636 | 52 (8%) |
 American Airlines | 12 | 1081–1210 | 1198 | 45 (4%) |
 WestJet | 3 | 1707–1748 | 1741 | 42 (2%) |
Where do the best Ottawa → Washington 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: Ottawa to Washington flights
- Full-service carriers on Ottawa–Washington cost 0.4x more than budget airlines (CAD 680 vs CAD 1741 median; overall median CAD 580).
- Air Canada charges 6.4x more in ancillary fees than PD — CAD 90 vs CAD 14 avg per booking.
- The same route priced CAD 442 apart depending on where it was booked — the lowest median was CAD 463. 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 Ottawa to Washington cost?
- Based on 237 offers analyzed, Ottawa to Washington flights range from CAD 451 to CAD 1750, with a median price of CAD 580. Search for your specific dates →
- What hidden fees should I expect on Ottawa to Washington flights?
- On average, ancillary fees (bags, seat selection) add CAD 43 to the base fare on Ottawa to Washington flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ottawa to Washington including all fees?
- Porter Airlines has the lowest median fare on Ottawa to Washington at CAD 463 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ottawa–Washington 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 CAD 463. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ottawa to Washington routes?
- Ottawa to Washington has 6 airlines competing, creating a price range from CAD 451 to CAD 1750 across 237 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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