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Journey information
Overview: Ontario, CA to Seattle, WA flight
USAUSA
Flights from Ontario, CA to Seattle, WA depart on average 63 times per day, taking around 3h 13m. Cheap flight tickets for this journey start at $305 (€249) but you can travel from only $169 (€138) by bus.
There are 9 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 966 miles (1556 km) distance in 2h 53m. August is the cheapest month to fly.
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
Cheapest alternative travel mode
Bus from $169 (€138)
Distance 966 miles (1556 km) |
Average flight duration 3h 13m |
Cheapest ticket price $305 (€249) |
Flights per day 63 |
Direct flights 9 |
Fastest flight 2h 53m |
Cheapest month to travel August |
First flight 00:05 |
Last flight 23:58 |
Key Takeaways
Train Ticket Prices
- Budget Options: Train tickets from Ontario, CA to Seattle, WA start from as low as $305 (€249) if booked well in advance.
- Standard Fares: Typically, trains cost $323 (€263) depending on the train type and class.
Journey Duration & Frequency
- On average there are 63 daily trains from Ontario, CA to Seattle, WA with 9 direct service.
- The fastest trains can take as little as 2h 53m but the average duration is 3h 13m
Train Operators
- Travel from Ontario, CA to Seattle, WA with Alaska Airlines and United
- The most booked train company for this route on Omio is Alaska Airlines.
Stations & Schedule
- Most trains depart from Los Angeles International Airport and arrive in Seattle-Tacoma International Airport
- First train typically departs at 12:05 AM and the last at 11:58 PM
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
Cheapest alternative travel mode
Bus from $169 (€138)
The cheapest and fastest flights from Ontario, CA to Seattle, WA
Showing times and prices for Nov 26
Cheapest price
$319
Average price
$319
Fastest journey
4 h 45 m
Average duration
4 h 45 m
Flights per day
1
Distance
1556 km
Cheap tickets
The best way to find a cheap flight ticket from Ontario, CA to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to Seattle, WA will cost around $319 if you buy it on the day, but the cheapest tickets can be found for only $319.
Fast flights
Of the 1 flights that leave Ontario, CA for Seattle, WA onWed, Nov 26, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Nov 26 the direct flights cover the 1556 km distance in an average of 4 h 45 m but if you time it right, some flights will get you there in just 4 h 45 m .
On Wed, Nov 26 the longest flights will take 4 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
03:52PM4h45
Ontario, CA08:37PMSeattle, WA
$3191One-way
0 transfers
03:52PM4h45
Ontario, CA08:37PMSeattle, WA
$3191One-way
0 transfers
Travel Information
Compare bus, train, and flight for Ontario, CA to Seattle, WA
Omio recommends booking the flight as it is the most popular option from Ontario, CA to Seattle, WA among Omio's users. If you are prioritising price take the bus with prices starting from €138. For those with little time consider booking a flight which can get you there in 3h 13m. The ticket price range depends on the travel mode: a bus costs an average of €138, and a train costs an average of €196.
Distance: 966 miles (1556 km)
Compare flight with
Most popular Flight | Train | Bus |
|---|---|---|
€263 Average price | €285 Average price | €197 Average price Cheapest |
6h 13m Average total duration Fastest 3h 13m Onboard + 3h 0m Additional time* | 29h 51m Average total duration 29h 21m Onboard + 30m Additional time* | 37h 27m Average total duration 36h 57m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
Compare prices and tickets Ontario, CA to Seattle, WA by bus, train, or flight
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Nov 26
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Airlines: Alaska Airlines, United from Ontario, CA to Seattle, WAFind the best flights between Ontario, CA to Seattle, WA with Omio's travel partners Alaska Airlines, United from $169 (€138). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
6h 7m
Cheapest Price
$332 (€270)
United frequency
18 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
Alaska Airlines
About
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
Luggage & cancellation policy
Average Duration
2h 53m
Cheapest Price
$305 (€249)
Alaska Airlines frequency
44 a day
Luggage included
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Additional luggage
Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy
Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Pregnant on board
Passengers can fly up to 36 weeks pregnant. After 28 weeks, medical certificate required
Unaccompagned minor
Unaccompanied minor service available for children ages 5-17. Service fee is $50 per direction on nonstop flights
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Alaska Airlines provides wheelchair assistance and special services for passengers with disabilities, including meet-and-assist services and accessible seating
Pets
Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)
FAQs: Ontario, CA to Seattle, WA Flight
Find answers to the most common questions about traveling from Ontario, CA to Seattle, WA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.
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.
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
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.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
4 km
Car connection
I-10, Exit 55Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in terminals, including duty-free and local brands.
Parking
- Parking available near the terminal, approximately 0.30€ (IDR 5,000) per hour.
Dining
- Various options in terminals, including fast food and sit-down restaurants
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels nearby, such as Ontario Airport Hotel & Conference Center.
Shower
- Available in terminal 4, approx. $15 per use.
Lounge
- Several lounges available, including Aspire Lounge.
Lost and Found Office
- Available throughout the airport.
Car Rental
- Car rental services available on-site, including major brands
Public transit options for Ontario International Airport
- Bus line 61, Ontario Airport at terminal Way 2, 38 miles
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.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Car connection
I-5, Exit 154BWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
Parking
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
Dining
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport, near gates and in main terminal areas.
Hotel
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
Shower
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
Lounge
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
Lost and Found Office
- Lost and Found located on the baggage claim level, near carousel 13.
Car Rental
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
Public transit options for Seattle-Tacoma International Airport
- Link Light Rail, SeaTac/Airport Station, 40 minutes
Most popular flights from Ontario, CA
More options for your journey from Ontario, CA to Seattle, WA
Here are some other resources that might have the information you need
Most popular flights to and from Seattle, WA and Ontario, CA
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