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Journey information
Overview: Ontario, CA to Seattle, WA flight
USAUSA
Flights from Ontario, CA to Seattle, WA depart on average 84 times per day, taking around 3h 2m. Cheap flight tickets for this journey start at $135 (€108) if you book in advance.
There are 11 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 51m. June 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
Distance 966 miles (1556 km) |
Average flight duration 3h 2m |
Cheapest ticket price $135 (€108) |
Flights per day 84 |
Direct flights 11 |
Fastest flight 2h 51m |
Cheapest month June |
First flight 00:05 |
Last flight 23:58 |
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
The cheapest and fastest flights from Ontario, CA to Seattle, WA
Showing times and prices for Feb 28
Cheapest price
$259
Average price
$259
Fastest journey
3 h 3 m
Average duration
3 h 3 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 $259 if you buy it on the day, but the cheapest tickets can be found for only $259.
Fast flights
Of the 1 flights that leave Ontario, CA for Seattle, WA onSat, Feb 28, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, Feb 28 the direct flights cover the 1556 km distance in an average of 3 h 3 m but if you time it right, some flights will get you there in just 3 h 3 m .
On Sat, Feb 28 the longest flights will take 3 h 3 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.
02:59AM3h03
Ontario, CA06:02AMSeattle, WA
$2591One-way
0 transfers
02:59AM3h03
Ontario, CA06:02AMSeattle, WA
$2591One-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 $191. For those with little time consider booking a flight which can get you there in 3h 2m. The ticket price range depends on the travel mode: a bus costs an average of $191, and a train costs an average of $208.
Distance: 966 miles (1556 km)
Compare flight with
Most popular Flight | Train | Bus |
|---|---|---|
$260 Average price | $306 Average price | $217 Average price Cheapest |
6h 2m Average total duration Fastest 3h 2m Onboard + 3h 0m Additional time* | 32h 24m Average total duration 31h 54m Onboard + 30m Additional time* | 33h 45m Average total duration 33h 15m Onboard + 30m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Ontario, CA to Seattle, WA flight times
The table below shows live departures for Ontario, CA to Seattle, WA flights for tomorrow, Friday, February 27. You can also manually refresh the results below to see updated flight journeys.
Last updated at 7:43 PM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 2:59 AM Ontario, CA | 3h03 | 6:02 AM Seattle, WA | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
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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Why should you book Ontario, CA to Seattle, WA flights with Omio?
Sky West Airlines as well as United or Alaska Airlines offer flights services from Ontario, CA to Seattle, WA.
Omio is the only official third party seller for Sky West Airlines tickets.
Why book with Omio vs Sky West Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Sky West Airlines, but also compare tickets for the likes of United or Alaska Airlines to find the best option for your trip from Ontario, CA to Seattle, WA.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Sky West Airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from Ontario, CA to Seattle, WA.
Airlines: Sky West Airlines, United, Alaska Airlines from Ontario, CA to Seattle, WAFind the best flights between Ontario, CA to Seattle, WA with Omio's travel partners Sky West Airlines, United, Alaska Airlines from $135 (€108). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
3h 8m
Cheapest Price
$135 (€108)
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.
Sky West Airlines
About
SkyWest Airlines is a major North American regional airline headquartered in St. George, Utah. It operates flights for larger carriers such as Alaska Airlines (as Alaska SkyWest), American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express). SkyWest is the largest regional airline in North America by fleet size, passengers carried, and destinations served. The airline connects passengers to over 250 destinations across the United States, Canada, and Mexico, primarily linking smaller airports to major airline hubs. SkyWest's fleet consists of regional jets, including the Bombardier CRJ series and Embraer 175 aircraft.
Luggage & cancellation policy
Luggage included
One carry-on bag and one personal item are allowed for free.
Additional luggage
Additional luggage can be purchased, and fees apply for excess, oversized, or overweight baggage.
Cancellation Policy
If canceled within 24 hours of purchase, a full refund is possible, provided the departure is at least 7 days away; after 24 hours, fees range from $100 to $500.
Refund
If SkyWest Airlines cancels a flight, passengers are eligible for a full refund.
Pregnant on board
Being pregnant on board is allowed, but specific policies may depend on the partner airline.
Unaccompagned minor
Children aged 5-14 can travel alone using the unaccompanied minor service, which includes airport escort and supervision.
Amenities on board the airplane
Seat reservation
Toilets
Accessibility
SkyWest Airlines complies with all provisions of the Air Carrier Access Act and accommodates customers with special needs.
Bikes
Bicycles can be checked in but may incur additional fees and must be properly packed.
Pets
Small pets like cats and dogs are allowed in the cabin for a fee, with restrictions on pet and carrier size.
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 51m
Cheapest Price
$259 (€206)
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.
Cheap plane tickets from Ontario, CA to Seattle, WA can start from as little as $135 (€108) when you book in advance. The average flight ticket price for Ontario, CA to Seattle, WA is $272 (€217) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Ontario, CA to Seattle, WA is 2h 51m to travel the 966 miles (1556 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Ontario, CA to Seattle, WA leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Ontario, CA to Seattle, WA leaves at 11:58 PM.
Yes, there are 12 direct flights a day from Ontario, CA to Seattle, WA with Sky West Airlines, United, Alaska Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Ontario, CA to Seattle, WA, you can count on Sky West Airlines, United, Alaska Airlines for the best way to get you to Seattle, WA. You can also check all possible airlines who offer a service between Ontario, CA and Seattle, WA and compare the amenities they offer before buying a plane ticket.
Flights from Ontario, CA to Seattle, WA generally leave from Los Angeles International Airport and arrive in Seattle-Tacoma International Airport.Los Angeles International Airport is 1 miles (2 km) away from Ontario, CA city centre and Seattle-Tacoma International Airport is from Seattle, WA city centre.
The cheapest month for a flight from Ontario, CA to Seattle, WA is June.
It's helpful to compare your options as there are 3 ways to travel between Ontario, CA and Seattle, WA including taking a bus, train, and flight.
Since neither Ontario, CA nor Seattle, WA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is no time difference between Ontario, CA and Seattle, WA.
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 season to visit Seattle, WA is 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
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
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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