What airlines fly to Ontario?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Walla Walla according to our data. Alaska Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Walla Walla to Ontario?

Alaska Airlines and Hawaiian Airlines are the most popular carriers operating from Walla Walla to Ontario

When did momondo last update prices for flights from Walla Walla Airport to Ontario Airport?

Prices for flights from Walla Walla Airport to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Walla Walla Airport to Ontario Airport?

The number of operators available for flights from Walla Walla Airport to Ontario Airport is 1 as of September 2025.

How old do you have to be to fly from Walla Walla Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Walla Walla Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$182 Cheap Flights from Walla Walla to Ontario in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Walla Walla to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

5:00 am - 10:39 amALW-ONT

5h 39m1 stop

6:55 pm - 12:09 amONT-ALW

5h 14m1 stop

$286Hawaiian Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

5:00 am - 12:37 pmALW-ONT

7h 37m1 stop

6:00 am - 1:02 pmONT-ALW

7h 02m1 stop

$299Hawaiian Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

5:00 am - 12:03 amALW-ONT

19h 03m1 stop

7:10 am - 12:17 amONT-ALW

17h 07m2 stops

$308Alaska Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

5:00 am - 10:44 amALW-ONT

5h 44m1 stop

6:00 am - 1:02 pmONT-ALW

7h 02m1 stop

$346Alaska Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 4

3:49 pm - 11:32 pmALW-ONT

7h 43m1 stop

11:59 am - 12:16 amONT-ALW

12h 17m1 stop

$352Alaska Airlines

Find Deal

Thu, Nov 6 - Sat, Nov 8

5:00 am - 10:39 amALW-ONT

5h 39m1 stop

6:00 pm - 12:09 amONT-ALW

6h 09m2 stops

$357Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

5:00 am - 10:44 amALW-ONT

5h 44m1 stop

6:00 am - 1:02 pmONT-ALW

7h 02m1 stop

$422Hawaiian Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

5:00 am - 9:50 amALW-ONT

4h 50m1 stop

7:00 am - 12:18 amONT-ALW

17h 18m2 stops

$432Alaska Airlines

Find Deal

Wed, Dec 31 - Sun, Jan 4

1:34 pm - 11:56 amALW-ONT

22h 22m2 stops

1:10 pm - 1:02 pmONT-ALW

23h 52m2 stops

$704American Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 4

1:34 pm - 11:56 amALW-ONT

22h 22m2 stops

7:16 pm - 1:02 pmONT-ALW

17h 46m2 stops

$950American Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

Alaska Airlines flights from Walla Walla to Ontario

Our best Alaska Airlines deals on Walla Walla to Ontario flight tickets

Alaska Airlines

Oct 18

ALW5:00 amWalla Walla

19h 03m

1 stop

ONT12:03 amOntario

Oct 25

ONT7:10 amOntario

17h 07m

2 stops

ALW12:17 amWalla Walla

$308

Find similar

Alaska Airlines

Sep 30

ALW5:00 amWalla Walla

5h 44m

1 stop

ONT10:44 amOntario

Oct 4

ONT6:00 amOntario

7h 02m

1 stop

ALW1:02 pmWalla Walla

$346

Find similar

Alaska Airlines

Nov 6

ALW3:49 pmWalla Walla

7h 43m

1 stop

ONT11:32 pmOntario

Nov 8

ONT11:59 amOntario

12h 17m

1 stop

ALW12:16 amWalla Walla

$352

Find similar

Hawaiian Airlines flights from Walla Walla to Ontario

Our best Hawaiian Airlines deals on Walla Walla to Ontario flight tickets

Hawaiian Airlines

Jan 9

ALW5:00 amWalla Walla

5h 39m

1 stop

ONT10:39 amOntario

Jan 13

ONT6:55 pmOntario

5h 14m

1 stop

ALW12:09 amWalla Walla

$286

Find similar

Hawaiian Airlines

Oct 18

ALW5:00 amWalla Walla

7h 37m

1 stop

ONT12:37 pmOntario

Oct 25

ONT6:00 amOntario

7h 02m

1 stop

ALW1:02 pmWalla Walla

$299

Find similar

Hawaiian Airlines

Oct 1

ALW5:00 amWalla Walla

5h 44m

1 stop

ONT10:44 amOntario

Oct 5

ONT6:00 amOntario

7h 02m

1 stop

ALW1:02 pmWalla Walla

$422

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Fri 1/9

5:00 am-10:39 am

1 stop5h 39m

Ontario

Tue 1/13

6:55 pm-12:09 am

1 stop5h 14m

$286

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Sat 10/18

5:00 am-12:37 pm

1 stop7h 37m

Ontario

Sat 10/25

6:00 am-1:02 pm

1 stop7h 02m

$299

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Sat 10/18

5:00 am-12:03 am

1 stop19h 03m

Ontario

Sat 10/25

7:10 am-12:17 am

2 stops17h 07m

$308

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Tue 9/30

5:00 am-10:44 am

1 stop5h 44m

Ontario

Sat 10/4

6:00 am-1:02 pm

1 stop7h 02m

$346

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Thu 11/6

3:49 pm-11:32 pm

1 stop7h 43m

Ontario

Sat 11/8

11:59 am-12:16 am

1 stop12h 17m

$352

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Fri 1/9

5:00 am-10:39 am

1 stop5h 39m

Ontario

Tue 1/13

6:00 pm-12:09 am

2 stops6h 09m

$357

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Wed 10/1

5:00 am-10:44 am

1 stop5h 44m

Ontario

Sun 10/5

6:00 am-1:02 pm

1 stop7h 02m

$422

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Wed 12/31

5:00 am-9:50 am

1 stop4h 50m

Ontario

Sun 1/4

7:00 am-12:18 am

2 stops17h 18m

$432

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Tue 9/30

1:34 pm-11:56 am

2 stops22h 22m

Ontario

Sat 10/4

1:10 pm-1:02 pm

2 stops23h 52m

$704

Walla WallaOntario

ALW - ONT

ALWONT

Walla Walla

Wed 10/1

1:34 pm-11:56 am

2 stops22h 22m

Ontario

Sun 10/5

7:16 pm-1:02 pm

2 stops17h 46m

$950

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Walla Walla to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $535. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Walla Walla to Ontario for around $924.

When to book flights from Walla Walla to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Walla Walla to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Walla Walla to Ontario (ALW to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Walla Walla to Ontario

Direct flights	None

There are no direct flights from Walla Walla to Ontario. There are no popular flight routes from Walla Walla to Ontario.

Search flight deals

How far is Walla Walla to Ontario by plane?
There are 829.4 mi between Walla Walla and Ontario. 4h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Walla Walla Airport to Ontario Airport?
Prices for flights from Walla Walla Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Walla Walla Airport to Ontario Airport?
The number of operators available for flights from Walla Walla Airport to Ontario Airport is 1 as of September 2025.
How old do you have to be to fly from Walla Walla Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Walla Walla Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Walla Walla to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Walla Walla to Ontario is Alaska Airlines (100% of total bookings).

Best airlines flying from Walla Walla to Ontario

Compare and see reviews for airlines that fly from Walla Walla to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $129	Free Cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Walla Walla to Ontario?

It is quick and easy to find Walla Walla to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Walla Walla to Ontario with flexible booking policies on momondo?

All flight searches from Walla Walla to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Walla Walla to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Walla Walla.

I’m not ready to book a flight from Walla Walla to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Walla Walla to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.