Home >> Fares From A City >> Ontario, CA >> Ontario, CA (ONT) To Seattle, WA (SEA)
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HOW TO FIND THIS FARE
  • AIRLINES
    United
  • ADVANCE PURCHASE REQUIRED
    5 DAYS BEFORE TRAVEL
  • TRAVEL STARTING
    Wed, September 09, 2015
  • TRAVEL ENDING
    Wed, September 16, 2015
Found Today by a Traveler Search
Fare Notes:
Lowest fare found for travel within the next 30 days.

Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.

All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included. Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.

More Details
Close Details
Reviews for Ontario to Seattle
6 Traveler Reviews
"Fly the Eskimo"
Flight from Ontario to Seattle
Airline: Alaska
RT/OW: roundtrip
Date of Flight: September 2010
Seat Class: economy
Check-in Experience
In-flight Service
Seat Comfort
On time departures both ways. Arrival ahead of schedule. Baggage handling timely. Good airline. Loose baggage fees and they'd beat Southwest.
Found by other travelers: Ontario, CA (ONT) to Seattle, WA (SEA)
$264
Flight from Ontario to Seattle (ONT - SEA)
Tue, Jul 15 - Tue, Jul 15
American
$274
Flight from Ontario to Seattle (ONT - SEA)
Fri, Dec 26 - Sat, Jan 3
Alaska
$264
Flight from Ontario to Seattle (ONT - SEA)
Sun, Nov 23 - Fri, Nov 28
American
$336
Flight from Ontario to Seattle (ONT - SEA)
Fri, Jun 20 - Sun, Jun 22
Alaska
$261
Flight from Ontario to Seattle (ONT - SEA)
Mon, Aug 11 - Sat, Aug 16
Alaska
$218
Flight from Ontario to Seattle (ONT - SEA)
Thu, Oct 30 - Mon, Nov 3
Delta
$296
Flight from Ontario to Seattle (ONT - SEA)
Thu, Jun 26 - Sun, Jun 29
Alaska
$272
Flight from Ontario to Seattle (ONT - SEA)
Fri, Jul 11 - Mon, Jul 14
Alaska
$706
Flight from Ontario to Seattle (ONT - SEA)
Mon, Jun 9 - Tue, Jun 10
American
$232
Flight from Ontario to Seattle (ONT - SEA)
Tue, Jun 17 - Sat, Jul 26
United
There are approximately 152 flights covering the route from Ontario International Airport in Ontario to Seattle/Tacoma International Airport in Seattle, provided by as many as 7 airlines.
The following airlines often offer cheap flights from Ontario to Seattle
Alaska
Continental
Southwest
United
American
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