Ontario, CA to Seattle, WA flight with Alaska Airlines

Tue, Feb 18
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Journey information

Overview: Ontario, CA to Seattle, WA flight

Take a flight from Ontario, CA to Seattle, WA and enjoy the approximately 966 miles (1555 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
966 miles (1555 km)
Flights per day
66
Direct flights
21
Airlines
2
First flight
00:25
Last flight
23:57
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

Compare prices and tickets Ontario, CA to Seattle, WA by bus

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Airlines: Alaska Airlines and United flights from Ontario, CA to Seattle, WA

Find the best route between Ontario, CA and Seattle, WA with Omio's flight partners Alaska Airlines and United! You'll find the best deals, schedules and tickets when comparing and booking the most convenient trip for you.

United Airlines is one of the USA’s leading airline and operates domestic and international routes. Economy, Premium Economy and Business are the ticket fares that the airline offers for your next flight to Seattle, WA from Ontario, CA.

FAQs: Ontario, CA to Seattle, WA Flight

FAQs: Take a flight from Ontario, CA to Seattle, WA hassle-free. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Ontario, CA to Seattle, WA.
FAQs
The earliest flight from Ontario, CA to Seattle, WA leaves at 12: 25AM. Plan your trip with the Journey Planner   from Omio.
The latest flight from Ontario, CA to Seattle, WA leaves at 11: 57PM.
The cheapest month to travel from Ontario, CA to Seattle, WA by plane is December.
Since neither Ontario, CA nor Seattle, WA are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
The best events to attend in Seattle, WA include:
  • Seafair, a summer festival featuring hydroplane races, parades, and cultural events
  • Seattle International Film Festival, one of the largest film festivals in the U. S. Showcasing independent films
  • Bumbershoot, an annual music and arts festival held over Labor Day weekend
  • Seattle Pride Parade, a celebration of LGBTQ+ pride with a colorful parade through downtown.
The best holidays to experience in Seattle, WA include:
  • Independence Day, fireworks and celebrations marking the nation's birthday
  • Thanksgiving, a time for family gatherings and seasonal festivities
  • Christmas, holiday lights and decorations creating a festive atmosphere
  • New Year's Eve, lively celebrations welcoming the new year with fireworks and events.
The best seasons to visit Seattle, WA are Spring or Fall. The best weather to explore Seattle, WA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

Popular airports from Ontario, CA to Seattle, WA

Ontario
Seattle
The major airport for departures in Ontario is Ontario International Airport. Find all the information you need to know about services, amenities and connections at Ontario International Airport for your trip from Ontario to Seattle.
The major airport for arrivals in Seattle is Seattle-Tacoma International Airport. Find all the information you need to know about services, amenities and connections at Seattle-Tacoma International Airport for your journey to Seattle from Ontario.

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