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Cheap flights from Washington to Ontario from $36

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Ontario departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Washington to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington to Los Angeles

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All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
7:21 pm - 9:59 pmSEA-ONT
2h 38mnonstop
4:26 pm - 7:26 pmONT-SEA
3h 00mnonstop
$67Frontier
Find Deal
Tue, Dec 17 - Thu, Dec 19
10:37 am - 12:57 pmPDX-ONT
2h 20mnonstop
4:04 pm - 6:25 pmONT-PDX
2h 21mnonstop
$73Frontier
Find Deal
Fri, Dec 13 - Wed, Dec 18
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
4:05 pm - 7:00 pmONT-SEA
2h 55mnonstop
$117Delta
Find Deal
Sat, Jan 11 - Mon, Jan 13
10:00 am - 5:04 pmSEA-ONT
7h 04m1 stop
6:00 am - 8:50 amONT-SEA
2h 50mnonstop
$126Alaska Airlines
Find Deal
Tue, Jan 28 - Thu, Feb 20
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
1:21 pm - 6:46 pmONT-SEA
5h 25m1 stop
$127Delta
Find Deal
Sat, Jan 11 - Mon, Jan 13
12:29 pm - 3:08 pmSEA-ONT
2h 39mnonstop
8:52 pm - 11:44 pmONT-SEA
2h 52mnonstop
Sun, Dec 15 - Wed, Dec 18
8:13 am - 10:34 amPDX-ONT
2h 21mnonstop
5:44 pm - 8:10 pmONT-PDX
2h 26mnonstop
$137Alaska Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 7
10:25 am - 12:58 pmSEA-ONT
2h 33mnonstop
7:59 am - 10:59 amONT-SEA
3h 00mnonstop
Sat, Dec 14 - Tue, Dec 17
12:15 pm - 6:27 pmPDX-ONT
6h 12m1 stop
5:38 am - 10:33 amONT-PDX
4h 55m1 stop
$187American Airlines
Find Deal
Sat, Dec 7 - Wed, Jan 1
6:10 am - 11:58 amSEA-ONT
5h 48m1 stop
12:48 pm - 8:00 pmONT-SEA
7h 12m1 stop
$280American Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
10:37 am - 12:57 pmPDX-ONT
2h 20mnonstop
$36Frontier
Find Deal
Fri, Dec 13
12:29 pm - 3:08 pmSEA-ONT
2h 39mnonstop
$37Frontier
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Thu, Dec 12
8:05 pm - 10:39 pmSEA-ONT
2h 34mnonstop
$59Alaska Airlines
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Fri, Jan 10
11:36 am - 5:04 pmSEA-ONT
5h 28m1 stop
$68Alaska Airlines
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Wed, Jan 8
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
$69Delta
Find Deal
Sat, Mar 1
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
$70Delta
Find Deal
Wed, Jan 8
5:00 am - 9:58 amSEA-ONT
4h 58m1 stop
$98United Airlines
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Thu, Dec 19
6:00 am - 9:54 amPDX-ONT
3h 54m1 stop
$113United Airlines
Find Deal
Wed, Mar 12
6:10 am - 7:59 pmBLI-ONT
13h 49m1 stop
Sun, Dec 8
6:10 am - 7:59 pmBLI-ONT
13h 49m1 stop
Sun, Dec 8
10:02 am - 12:22 pmPDX-ONT
2h 20mnonstop
5:58 pm - 8:20 pmONT-PDX
2h 22mnonstop
$134Frontier
Find Deal
Mon, Dec 2 - Mon, Dec 2
10:02 am - 12:22 pmPDX-ONT
2h 20mnonstop
5:58 pm - 8:20 pmONT-PDX
2h 22mnonstop
$135Frontier
Find Deal
Mon, Dec 2 - Mon, Dec 2
6:35 pm - 9:15 pmSEA-ONT
2h 40mnonstop
7:00 am - 12:52 pmONT-SEA
5h 52m1 stop
Mon, Dec 2 - Mon, Dec 9
6:35 pm - 9:15 pmSEA-ONT
2h 40mnonstop
6:00 am - 8:53 amONT-SEA
2h 53mnonstop
Mon, Dec 2 - Wed, Dec 4
5:10 am - 12:11 pmPDX-ONT
7h 01m1 stop
5:00 pm - 11:44 pmONT-PDX
6h 44m1 stop
$316Delta
Find Deal
Sat, Nov 30 - Wed, Dec 4
10:07 am - 4:19 pmPDX-ONT
6h 12m1 stop
1:50 pm - 7:02 pmONT-PDX
5h 12m1 stop
$336Delta
Find Deal
Fri, Nov 29 - Sat, Dec 7
5:50 pm - 8:03 pmPDX-ONT
2h 13mnonstop
7:44 pm - 10:08 pmONT-PDX
2h 24mnonstop
$347Alaska Airlines
Find Deal
Fri, Nov 29 - Fri, Dec 6
6:33 am - 9:05 amSEA-ONT
2h 32mnonstop
6:00 am - 8:56 amONT-SEA
2h 56mnonstop
$362Alaska Airlines
Find Deal
Thu, Nov 28 - Fri, Jan 3
10:51 am - 6:29 pmPDX-ONT
7h 38m1 stop
12:50 pm - 8:37 pmONT-PDX
7h 47m1 stop
$406American Airlines
Find Deal
Sat, Nov 30 - Thu, Dec 5
8:45 am - 3:49 pmPDX-ONT
7h 04m1 stop
7:30 pm - 1:48 amONT-PDX
6h 18m1 stop
$711American Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 1
7:21 pm - 9:59 pmSEA-ONT
2h 38mnonstop
4:26 pm - 7:26 pmONT-SEA
3h 00mnonstop
$67Frontier
Find Deal
Tue, Dec 17 - Thu, Dec 19
10:37 am - 12:57 pmPDX-ONT
2h 20mnonstop
4:04 pm - 6:25 pmONT-PDX
2h 21mnonstop
$73Frontier
Find Deal
Fri, Dec 13 - Wed, Dec 18
10:35 am - 12:56 pmPDX-ONT
2h 21mnonstop
8:01 am - 10:27 amONT-PDX
2h 26mnonstop
$76Frontier
Find Deal
Fri, Jan 17 - Mon, Jan 20
7:29 pm - 9:49 pmPDX-ONT
2h 20mnonstop
6:18 pm - 8:39 pmONT-PDX
2h 21mnonstop
$77Frontier
Find Deal
Wed, Dec 18 - Fri, Dec 20
8:00 am - 10:49 amSEA-ONT
2h 49mnonstop
6:00 am - 8:54 amONT-SEA
2h 54mnonstop
$112Alaska Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
6:00 am - 8:55 amONT-SEA
2h 55mnonstop
$117Delta
Find Deal
Sat, Jan 11 - Sat, Jan 18
7:45 pm - 10:32 pmSEA-ONT
2h 47mnonstop
4:05 pm - 7:00 pmONT-SEA
2h 55mnonstop
$118Delta
Find Deal
Sat, Jan 11 - Mon, Jan 13
5:40 pm - 8:13 pmSEA-ONT
2h 33mnonstop
11:27 am - 2:18 pmONT-SEA
2h 51mnonstop
Tue, Jan 14 - Thu, Jan 16
12:29 pm - 3:08 pmSEA-ONT
2h 39mnonstop
8:52 pm - 11:44 pmONT-SEA
2h 52mnonstop
Sun, Dec 15 - Wed, Dec 18
8:00 am - 10:49 amSEA-ONT
2h 49mnonstop
6:00 am - 8:54 amONT-SEA
2h 54mnonstop
$137Alaska Airlines
Find Deal
Tue, Jan 7 - Wed, Jan 8

Alaska Airlines flights from State of Washington to Ontario

Our best Alaska Airlines deals on State of Washington to Ontario flight tickets
Alaska Airlines
Jan 28
SEA10:00 amSeattle/Tacoma Intl
7h 04m
1 stop
ONT5:04 pmOntario
Feb 20
ONT6:00 amOntario
2h 50m
SEA8:50 amSeattle/Tacoma Intl
Alaska Airlines
Jan 7
PDX8:13 amPortland
2h 21m
ONT10:34 amOntario
Jan 7
ONT5:44 pmOntario
2h 26m
PDX8:10 pmPortland
Alaska Airlines
Jan 8
SEA5:40 pmSeattle/Tacoma Intl
2h 33m
ONT8:13 pmOntario
Jan 11
ONT11:14 amOntario
4h 45m
1 stop
SEA3:59 pmSeattle/Tacoma Intl

Frontier flights from State of Washington to Ontario

Our best Frontier deals on State of Washington to Ontario flight tickets
Frontier
Dec 17
SEA7:21 pmSeattle/Tacoma Intl
2h 38m
ONT9:59 pmOntario
Dec 19
ONT4:26 pmOntario
3h 00m
SEA7:26 pmSeattle/Tacoma Intl
Frontier
Dec 13
PDX10:37 amPortland
2h 20m
ONT12:57 pmOntario
Dec 18
ONT4:04 pmOntario
2h 21m
PDX6:25 pmPortland
Frontier
Jan 17
PDX10:35 amPortland
2h 21m
ONT12:56 pmOntario
Jan 20
ONT8:01 amOntario
2h 26m
PDX10:27 amPortland

See travel insights to Los Angeles from

How to get the cheapest flight ticket from State of Washington 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

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from State of Washington to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $134. If you aren’t able to travel during the month of September, then book flights to Ontario from State of Washington during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $157.

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 Tuesday when prices can be found for as low as $174. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Ontario for around $266.

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

At noon is the cheapest time of day to fly from State of Washington to Ontario when you can find flight prices for as low as $135. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $236 on average. Flights to Ontario from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington to Ontario flight route?

Fly from Seattle/Tacoma Intl to Ontario for the best Washington - Ontario flight prices

How far in advance should I book a flight to Ontario?

Most flyers found that booking tickets 44 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $200. However, in the past 72 hours, people saw flights from State of Washington for as low as $138.

What cabin class options are available on Washington to Ontario flights?

There are 4 cabin classes available to choose from on Washington to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Ontario flights?

You could potentially save up to 89% on your flight if you consider stops on a State of Washington to Ontario flight.

Cheap State of Washington to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Ontario

Best Price Found

$36

Fastest flight time

2h 14m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from State of Washington in the past 72 hours is $36. The best round-trip flight deal from State of Washington to Ontario found on momondo in the last 72 hours is $67.
The fastest flight from State of Washington to Ontario takes 2h 14m
Direct flights go from State of Washington to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

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

    Prices for flights from Washington to Ontario Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Ontario?


Best airlines flying from State of Washington to Ontario

Compare and see reviews for airlines that fly from State of Washington to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $40Free CancellationRating
6.3
8,172 reviews
Search Spirit Airlines flights
FrontierPriceFrom $55Free CancellationRating
6.1
3,523 reviews
Search Frontier flights
DeltaPriceFrom $115Free CancellationRating
8.0
8,730 reviews
Search Delta flights
Alaska AirlinesPriceFrom $121Free CancellationRating
8.0
9,481 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.1
4,979 reviews
Search Southwest flights
United AirlinesPriceFrom $302Free CancellationRating
7.4
9,146 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Ontario.

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

Of course. momondo tracks the price of Washington to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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