Flights Ottawa → Dulles
As of October 2026, economy flights from Ottawa to Dulles have a typical range CAD 633–1929, median CAD 862. Full range across all 230 offers: CAD 500–2208. We found 30% of 230 offers from budget carriers (around CAD 789) and 70% from full-service carriers (around CAD 884).
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 → Dulles
Based on 230 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ottawa → Dulles
Add-on pricing from the cheapest available offer per airline · October 2026 · CAD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air Canada | — | CAD 30 | — |
| Air Canada | — | CAD 91 | — |
| United | — | CAD 101 | — |
| Porter Airlines | — | Included | — |
| United Airlines | — | CAD 35 | — |
| WestJet | — | 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 Dulles cost?
Based on 230 offers · October 2026
Ottawa to Dulles flights ranged from CAD 500 to CAD 2208 across 230 offers analyzed in October 2026. Two fare clusters detected: budget fares around 756 and premium fares around 1952 The chart below shows how prices distributed across all 230 offers.
These 230 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 724 and CAD 1118
What hidden fees do Ottawa to Dulles flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ottawa to Dulles routes. The breakdown below is based on 230 offers analyzed in October 2026.
| Carrier | Avg fee (CAD) | % of base fare |
|---|---|---|
| AC | 42 | 4% |
| Air Canada | 90 | 15% |
| United | 101 | 15% |
| PD | 10 | 1% |
| UA | 45 | 5% |
| WS | 42 | 2% |
United: base ~CAD 557 + fees CAD 101 = ~CAD 658 total. Porter Airlines: base ~CAD 874 + fees CAD 10 = ~CAD 884 total.
United's CAD 101 ancillary fees narrow the gap with Porter Airlines's lower-fee model — the CAD 317 base difference shrinks to CAD 226 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.United charges 10.1x 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 Dulles?
6 airlines flew Ottawa to Dulles 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 (Air Canada), fares ranged CAD 551–656 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 (CAD) | Median (CAD) | Fees (CAD) |
|---|---|---|---|---|
 Air Canada | 3 | 551–656 | 568 | 90 (16%) |
 United | 14 | 644–736 | 658 | 101 (15%) |
 United Airlines | 52 | 696–1181 | 789 | 45 (6%) |
 Porter Airlines | 15 | 694–1026 | 884 | 10 (1%) |
 Air Canada | 139 | 552–1929 | 954 | 42 (4%) |
 WestJet | 7 | 1942–2179 | 1992 | 42 (2%) |
Where do the best Ottawa → Dulles 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: Ottawa to Dulles flights
- Full-service carriers on Ottawa–Dulles cost 0.4x more than budget airlines (CAD 771 vs CAD 1992 median; overall median CAD 862).
- United charges 10.1x more in ancillary fees than PD — CAD 101 vs CAD 10 avg per booking.
- The same route priced CAD 275 apart depending on where it was booked — the lowest median was CAD 658. 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 Dulles cost?
- Based on 230 offers analyzed, Ottawa to Dulles flights range from CAD 500 to CAD 2208, with a median price of CAD 862. Search for your specific dates →
- What hidden fees should I expect on Ottawa to Dulles flights?
- On average, ancillary fees (bags, seat selection) add CAD 45 to the base fare on Ottawa to Dulles flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ottawa to Dulles including all fees?
- Air Canada has the lowest median fare on Ottawa to Dulles at CAD 568 (median across 3 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ottawa–Dulles 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 658. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ottawa to Dulles routes?
- Ottawa to Dulles has 6 airlines competing, creating a price range from CAD 500 to CAD 2208 across 230 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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