Cheap flights from Washington (WA) to Ontario (ONT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Washington to Ontario (ONT)

All the information you need to plan the best null to ONT flight in 2022: compare Washington to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
How far in advance should I book a flight from State of Washington to Ontario?

To save on the cost of your flight from State of Washington to Ontario, book at least 59 days before your planned departure. Booking around this time can save you about 100% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $246 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $359.

What is the cheapest month to fly from State of Washington to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Ontario. Flights to Ontario from State of Washington in May are about $176 on average during May, but can be found for as low as $103.

When is the cheapest time to fly from State of Washington to Ontario (WA - ONT)?

When flying from State of Washington to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Washington to Ontario in January, February 2022

The best prices found for Washington to ONT flights for January, February
7 Feb - 16 Feb
$108pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Jan - 5 Feb
$113pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
SEA
Seattle/Tacoma Intl
6 Feb - 9 Feb
$123pp
SEA
Seattle/Tacoma Intl
Frontier
   
2 STOPS
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Washington to Ontario 2022 flight deals

Cheap flights to Ontario from Washington found for this year
7 Feb - 16 Feb
$108pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Jan - 5 Feb
$113pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
SEA
Seattle/Tacoma Intl
6 Feb - 9 Feb
$123pp
SEA
Seattle/Tacoma Intl
Frontier
   
2 STOPS
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Ontario from Washington

Save time with Washington to Ontario direct flight deals
1 Mar - 8 Mar
$138pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
1 Mar - 6 Mar
$143pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
3 Mar - 6 Mar
$148pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Washington to Ontario

Late deals on round-trip flights to Ontario from Washington, departing today and this week
31 Jan - 2 Feb
$108pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Jan - 5 Feb
$113pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Jan - 2 Feb
$123pp
SEA
Seattle/Tacoma Intl
Frontier
   
2 STOPS
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Ontario from Washington

The cheapest one-way flights from Washington to Ontario
11:59 am - 6:52 pm
Delta
1 Stop
6h 53m
SEA - ONT
Delta
$78
Delta
3:55 pm - 6:27 pm
Alaska Airlines
Nonstop
2h 32m
SEA - ONT
Alaska Airlines
6:55 am - 3:02 pm
American Airlines
1 Stop
8h 07m
SEA - ONT
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Washington to Ontario

What airport do you fly into for flights to Ontario from Washington?

Most people fly into Ontario (ONT) if they book a flight to Ontario from Washington. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Which airlines flying from Washington to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, Delta, and United Airlines flying from Washington to Ontario have implemented new flexible cancellation policies.

Can I find flights from State of Washington to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from State of Washington to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $108, but on average you can expect to pay $135.

Are there nonstop flights from State of Washington to Ontario for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from State of Washington to Ontario under $200. A good price for a nonstop flight from State of Washington to Ontario is less than $180.

Are there last-minute flights available from State of Washington to Ontario for under $200?

There are currently 20+ open flights from State of Washington to Ontario within the next 7 days for less than $200.

What days are nonstop flights available from State of Washington to Ontario?

Nonstop flights are available for this route on the following days: Thursday, Friday.

How popular is this State of Washington to Ontario flight route?

Flights from Washington to Ontario have been viewed 170 times in the past calendar month.

How many flights depart from State of Washington to Ontario on average per day?

6 flight departures from State of Washington to Ontario per day on average.
Afternoon (Noon - 6pm) - 67% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

How long is the flight from State of Washington to Ontario?

Airlines like Frontier, Delta, and Alaska Airlines fly from State of Washington to Ontario in about 2h 35m. The time it takes to get you to your destination can typically vary by up to 15h 26m. The distance from State of Washington to Ontario is about 962 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from State of Washington to Ontario one-way?

One-way options have recently been found by users for as low as $47 on Alaska Airlines. Other airlines that offer cheap prices include Frontier from $59 and Delta from $78 one-way.

What are the cheapest flights from State of Washington to Ontario?

The cheapest flight price from State of Washington to Ontario is $78. On average you can expect to pay $334. The most popular route, (Seattle/Tacoma Intl - Ontario), can usually be booked for $135.

What are the most popular routes from State of Washington to Ontario?

While some choose either Spokane - Ontario or Pasco Tri Cities - Ontario, Seattle/Tacoma Intl - Ontario is the most popular route from State of Washington to Ontario.

What are the most popular airlines that fly from State of Washington to Ontario?

The most popular airlines flying from State of Washington to Ontario are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

What are the most reliable airlines from State of Washington to Ontario?

The top 3 most reliable airlines when flying from State of Washington to Ontario are KLM (88%), SkyWest Airlines (78%) and Delta (78%).

Related searches

Flights to Ontario (ONT) from Washington
Flights to Washington Flights to Ontario Flights from Ontario

Rent a Car

Car Rentals in Ontario Car Rentals in California

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Washington?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Ontario.

Do I need a test to fly back to Washington from Ontario?

Returning to Washington from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Washington.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for Ontario, CA

Departure points for flights from Washington to Ontario

Select to see more specific information for flights to Ontario from all departure points in Washington.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Washington to Ontario.
Flight duration from Washington to ONT
2h 45m

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing Ontario

Top 8 airlines flying from Washington to Ontario

The chart below displays the airlines Cheapflights users traveling from Washington to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$77 $264 No cancel fee 69%
Delta
$87 $241 No cancel fee N/A
Alaska Airlines
$88 $316 No cancel fee 75%
Spirit Airlines
$91 $162 No cancel fee 65%
JetBlue
$95 $208 No cancel fee 62%
American Airlines
$97 $315 No cancel fee 71%
Frontier
$106 $220 No cancel fee 62%
Southwest
$258 $360 No cancel fee 63%
Home North America USA California Ontario Cheap flights from Washington to Ontario