Flights Ottawa → Seattle
As of October 2026, economy flights from Ottawa to Seattle have a typical range NOK 2950–10749, median NOK 4508. Full range across all 86 offers: NOK 2480–34891. We analyzed 86 offers from 8 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 → Seattle
Based on 86 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ottawa → Seattle
Add-on pricing from the cheapest available offer per airline · October 2026 · NOK
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| WestJet | — | NOK 522 | — |
| Delta | — | NOK 205 | — |
| United Airlines | — | NOK 326 | — |
| Air Canada | — | NOK 298 | — |
| Air Canada | — | NOK 280 | — |
| United | — | NOK 336 | — |
| American Airlines | Included | NOK 326 | — |
| Porter Airlines | — | NOK 336 | — |
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 Seattle cost?
Based on 86 offers · October 2026
Ottawa to Seattle flights ranged from NOK 2480 to NOK 34891 across 86 offers analyzed in October 2026. The chart below shows how prices distributed across all 86 offers.
These 86 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 NOK 3562 and NOK 6789
What hidden fees do Ottawa to Seattle flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ottawa to Seattle routes. The breakdown below is based on 86 offers analyzed in October 2026.
| Carrier | Avg fee (NOK) | % of base fare |
|---|---|---|
| WS | 279 | 7% |
| DL | 155 | 1% |
| UA | 308 | 6% |
| Air Canada | 311 | 7% |
| AC | 243 | 4% |
| United | 330 | 6% |
| AA | 419 | 6% |
| Porter Airlines | 336 | 5% |
American Airlines: base ~NOK 6265 + fees NOK 419 = ~NOK 6684 total. Delta Air Lines: base ~NOK 11119 + fees NOK 155 = ~NOK 11274 total.
American Airlines's NOK 419 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the NOK 4854 base difference shrinks to NOK 4590 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 Ottawa to Seattle?
8 airlines flew Ottawa to Seattle 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 (WestJet), fares ranged NOK 2750–5824 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 (NOK) | Median (NOK) | Fees (NOK) |
|---|---|---|---|---|
 WestJet | 25 | 2750–5824 | 3775 | 279 (7%) |
 United Airlines | 23 | 3402–9554 | 4119 | 308 (7%) |
 Air Canada | 3 | 3356–5101 | 4512 | 311 (7%) |
 Air Canada | 17 | 3272–8979 | 5352 | 243 (5%) |
 United | 5 | 4230–7029 | 5984 | 330 (6%) |
 American Airlines | 1 | — | 6684 | 419 (6%) |
 Porter Airlines | 1 | — | 6823 | 336 (5%) |
 Delta Air Lines | 11 | 4120–31535 | 11274 | 155 (1%) |
Where do the best Ottawa → Seattle 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 Seattle flights
- Full-service carriers on Ottawa–Seattle cost 1.7x more than budget airlines (NOK 6393 vs NOK 3775 median; overall median NOK 4508).
- AA charges 2.7x more in ancillary fees than DL — NOK 419 vs NOK 155 avg per booking.
- The same route priced NOK 3774 apart depending on where it was booked — the lowest median was NOK 3402. 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 Seattle cost?
- Based on 86 offers analyzed, Ottawa to Seattle flights range from NOK 2480 to NOK 34891, with a median price of NOK 4508. Search for your specific dates →
- What hidden fees should I expect on Ottawa to Seattle flights?
- On average, ancillary fees (bags, seat selection) add NOK 270 to the base fare on Ottawa to Seattle flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ottawa to Seattle including all fees?
- WestJet has the lowest median fare on Ottawa to Seattle at NOK 3775 (median across 25 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ottawa–Seattle 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 NOK 3402. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ottawa to Seattle routes?
- Ottawa to Seattle has 8 airlines competing, creating a price range from NOK 2480 to NOK 34891 across 86 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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