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Cheap flights from Ontario (ONT) to Washington from $54

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SEA
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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How far in advance should I book a flight from Ontario to State of Washington?

To save up to 78% on this flight, we recommend booking at least 25 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to State of Washington from $279 1-2 weeks out and tickets from $403 for flights departing within the next 72 hours.

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

Flights from Ontario to State of Washington lean towards being more expensive in December. Prices are generally better when you fly from Ontario to State of Washington in October, with the cheapest ticket starting at $69.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to State of Washington as you normally would.

Cheap Frontier flights from Ontario to Washington

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Washington. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Consider these cheap Frontier flights we've found departing from Ontario to Washington. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$88
Mon 6/310:24 amONT - SEA
Nonstop2h 53mFrontier
Fri 6/71:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$89
Sat 5/2510:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$90
Wed 6/2610:04 amONT - SEA
Nonstop2h 53mFrontier
Wed 7/101:37 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/3$91
Thu 5/2310:34 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$92
Sat 6/811:43 amONT - SEA
Nonstop2h 53mFrontier
Tue 6/111:47 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/1$93
Sat 5/2510:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/312:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$94
Fri 5/1710:24 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/211:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$96
Tue 5/2110:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/242:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$97

Cheap Delta flights from Ontario to Washington

Explore cheap flight options specifically provided by Delta for the route between Ontario and Washington. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Ontario to Washington. Make sure to examine the flight information before completing your reservation.
Wed 6/125:00 pmONT - SEA
1 stop6h 59mDelta
Tue 6/187:13 pmSEA - ONT
1 stop4h 29mDelta
Deal found 5/3$176
Thu 7/186:59 pmONT - SEA
Nonstop2h 49mDelta
Sun 7/213:30 pmSEA - ONT
Nonstop2h 45mDelta
Deal found 5/3$197
Sat 6/16:42 pmONT - GEG
1 stop5h 24mDelta
Sat 6/85:35 pmGEG - ONT
1 stop5h 03mDelta
Deal found 5/2$258
Tue 9/245:00 pmONT - PSC
1 stop6h 40mDelta
Sat 9/2811:26 amPSC - ONT
1 stop6h 37mDelta
Deal found 5/2$273
Mon 5/136:42 pmONT - SEA
Nonstop3h 02mDelta
Sat 5/257:25 amSEA - ONT
Nonstop2h 39mDelta
Deal found 5/2$277
Fri 5/316:42 pmONT - GEG
1 stop5h 23mDelta
Fri 6/75:15 pmGEG - ONT
1 stop6h 27mDelta
Deal found 5/3$296
Fri 5/246:42 pmONT - GEG
1 stop5h 23mDelta
Thu 5/306:00 amGEG - ONT
1 stop6h 13mDelta
Deal found 5/3$297
Fri 5/246:42 pmONT - GEG
1 stop5h 23mDelta
Mon 6/35:10 pmGEG - ONT
1 stop6h 33mDelta
Deal found 5/3$312
Fri 5/102:13 pmONT - SEA
Nonstop2h 57mDelta
Sun 6/168:15 amSEA - ONT
Nonstop2h 45mDelta
Deal found 5/2$317

Cheap Ontario to Washington flights in May & June 2024

Find cheap flight options from Ontario to Washington specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 3, 2024.
These are some of the best deals we've found on flights to Washington in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$88
Mon 6/310:24 amONT - SEA
Nonstop2h 53mFrontier
Fri 6/71:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$89
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/312:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$92
Sat 6/811:43 amONT - SEA
Nonstop2h 53mFrontier
Tue 6/111:47 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/1$93
Fri 5/1710:24 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/211:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$96
Tue 5/2110:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/242:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$97
Tue 5/148:48 pmONT - SEA
1 stop12h 07mFrontier
Wed 5/221:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$98
Thu 5/3010:34 amONT - SEA
Nonstop2h 53mFrontier
Thu 6/63:49 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$99
Sat 5/2510:04 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/281:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$101

Ontario to Washington 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Washington in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
These are some of the best deals we've found on flights to Washington in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$88
Sat 8/1010:06 amONT - SEA
Nonstop2h 47mFrontier
Mon 8/191:53 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/2$89
Sat 8/1710:06 amONT - SEA
Nonstop2h 47mFrontier
Wed 8/281:37 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/3$90
Mon 8/510:06 amONT - SEA
Nonstop2h 47mFrontier
Wed 8/141:37 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/2$92
Sat 6/811:43 amONT - SEA
Nonstop2h 53mFrontier
Tue 6/111:47 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/1$93
Sat 8/2410:06 amONT - SEA
Nonstop2h 47mFrontier
Mon 8/261:53 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/1$95
Fri 5/1710:24 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/211:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$96
Tue 5/2110:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/242:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$97
Tue 9/249:35 amONT - SEA
Nonstop2h 47mFrontier
Wed 9/251:37 pmSEA - ONT
Nonstop2h 37mFrontier
Deal found 5/2$98

Non-stop flights to Washington from Ontario

Discover non-stop flight options from Ontario to Washington. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Take a look at some of the direct flights traveling from Ontario to Washington in the near future. Search for alternative flights from Ontario to Washington by utilizing the search form above.
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/302:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$88
Mon 6/310:24 amONT - SEA
Nonstop2h 53mFrontier
Fri 6/71:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$89
Tue 5/2810:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/312:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$92
Sat 6/811:43 amONT - SEA
Nonstop2h 53mFrontier
Tue 6/111:47 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/1$93
Fri 5/1710:24 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/211:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$96
Tue 5/2110:04 amONT - SEA
Nonstop2h 53mFrontier
Fri 5/242:17 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$97
Sat 5/1810:04 amONT - SEA
Nonstop2h 53mFrontier
Thu 5/232:27 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$98
Thu 5/3010:34 amONT - SEA
Nonstop2h 53mFrontier
Thu 6/63:49 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$99
Sat 5/2510:04 amONT - SEA
Nonstop2h 53mFrontier
Tue 5/281:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$101

Ontario to Washington flights leaving soon

Find last-minute flight options from Ontario to Washington for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Washington. Users should examine the flight details to ensure there are no surprises.
Mon 5/1311:07 pmONT - SEA
1 stop10h 37mFrontier
Wed 5/221:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$103
Sat 5/1110:57 pmONT - SEA
1 stop9h 38mFrontier
Sat 5/181:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$124
Fri 5/1012:55 amONT - SEA
1 stop13h 00mFrontier
Sat 5/181:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/3$138
Sat 5/1110:57 pmONT - SEA
1 stop9h 38mFrontier
Sat 5/189:00 amSEA - ONT
1 stop7h 02mFrontier
Deal found 5/3$148
Sat 5/1110:57 pmONT - SEA
1 stop9h 38mFrontier
Tue 5/149:35 pmSEA - ONT
1 stop8h 51mFrontier
Deal found 5/3$149
Sat 5/1110:57 pmONT - SEA
1 stop9h 38mFrontier
Mon 5/139:00 pmSEA - ONT
1 stop10h 03mFrontier
Deal found 5/3$150
Thu 5/912:56 amONT - SEA
1 stop20h 38mFrontier
Mon 5/201:57 pmSEA - ONT
Nonstop2h 44mFrontier
Deal found 5/2$152
Thu 5/912:56 amONT - SEA
1 stop20h 38mFrontier
Mon 5/208:00 pmSEA - ONT
1 stop16h 54mFrontier
Deal found 5/2$153
Fri 5/1010:29 pmONT - SEA
1 stop10h 51mFrontier
Mon 5/139:00 pmSEA - ONT
1 stop10h 03mFrontier
Deal found 5/3$154

One-way flights to Washington from Ontario

Search for one-way flight options from Ontario to Washington. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Washington. Those seeking round-trip flights from Ontario to Washington should utilize the search form at the the top of the page.
Wed 7/249:50 amONT - SEA
Nonstop2h 47mFrontier
Deal found 5/3$54
Sat 5/1810:04 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/3$55
Tue 6/189:54 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/3$58
Sat 6/110:04 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/3$59
Sun 6/3011:51 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/3$60
Sun 6/2311:51 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/2$63
Fri 7/510:06 amONT - SEA
Nonstop2h 47mFrontier
Deal found 5/3$71
Sun 6/3011:51 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/2$73
Fri 5/1710:24 amONT - SEA
Nonstop2h 53mFrontier
Deal found 5/3$74

Find flights from Ontario to Washington within your budget

Customize your flight search to find flights from Ontario to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$88 - $217

Route

Depart

Return

Price

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Tue 5/28

Nonstop2h 53m

Seattle/Tacoma Intl

Thu 5/30

Nonstop2h 44m

$88

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Mon 6/3

Nonstop2h 53m

Seattle/Tacoma Intl

Fri 6/7

Nonstop2h 44m

$89

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Sat 5/25

Nonstop2h 53m

Seattle/Tacoma Intl

Thu 5/30

Nonstop2h 44m

$90

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Wed 6/26

Nonstop2h 53m

Seattle/Tacoma Intl

Wed 7/10

Nonstop2h 37m

$91

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Thu 5/23

Nonstop2h 53m

Seattle/Tacoma Intl

Thu 5/30

Nonstop2h 44m

$92

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Sat 6/8

Nonstop2h 53m

Seattle/Tacoma Intl

Tue 6/11

Nonstop2h 44m

$93

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Sat 5/25

Nonstop2h 53m

Seattle/Tacoma Intl

Mon 5/27

Nonstop2h 33m

$162

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Wed 6/12

1 stop6h 59m

Seattle/Tacoma Intl

Tue 6/18

1 stop4h 29m

$176

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Fri 5/24

Nonstop2h 41m

Seattle/Tacoma Intl

Mon 5/27

Nonstop2h 33m

$217

Flights are sorted by cheapest first

Deals found on 5/2

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated May 3, 2024.
Get a feel of what it's like to fly with Frontier, Delta and United Airlines from Ontario to Washington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,128 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.1
Very good
10,848 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
11,134 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,755 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Frontier
6.3
Okay
4,100 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Washington from Ontario.

  • Can I find flights from Ontario to State of Washington for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to State of Washington for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $99.

  • Are there nonstop flights from Ontario to State of Washington for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Ontario to State of Washington under $100. A good price for a nonstop flight from Ontario to State of Washington is less than $103.

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

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

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

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Friday, Saturday.

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

    This flight path from Ontario to Washington was viewed by 84 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    16 flight departures from Ontario to State of Washington per day on average.
    Early Morning (Midnight to 6am) - 38% of flight departures
    Afternoon (Noon - 6pm) - 25% of flight departures
    Evening (6pm - Midnight) - 38% of flight departures

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

    For as low as $88, Frontier can have you in State of Washington from Ontario in 2h 53m. Ontario and State of Washington are separated by a distance of 962 mi. All flights are typically nonstop.

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

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

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

    Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from Ontario to State of Washington.

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

    Before booking your flight to State of Washington from Ontario, check out the most reliable airlines to get you to your destination on time: Air France (100%), Qatar Airways (97%), Japan Airlines( 95%).

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

    Looking at all options, your cheapest flight can be booked for $46. While the most popular route (Ontario - Seattle/Tacoma Intl) can be booked for $67 on average our data indicates $536 when flying from Ontario to State of Washington.

  • What does ONT to SEA mean?

    Great question - ONT to SEA just means Ontario Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Seattle Lake Union Spb Airport (LKE).

  • Can I find deals for flights from Ontario to Washington that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Washington flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Washington with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Washington flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Washington that include hotel bookings?

    Yes. In addition to deals on Ontario to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Washington.

  • Can I find deals for business class flights from Ontario to Washington?

    Yes. Cheapflights offers flight deals from Ontario to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Washington that allow pets onboard?

    Many airlines flying from Ontario to Washington offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Washington?

    Yes, you can often find last-minute deals on Ontario to Washington flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to State of Washington flight deals updated?

    The Ontario to State of Washington flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for Ontario to Washington
See prices for flight routes from nearby airports that may be better suited for you.

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Top 7 airlines flying from Ontario to Washington

Discover the top 7 airlines that operate flights from Ontario to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$148FlexibilityNo cancel feeOn-time62%
Search Frontier flights
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Search flights from Ontario to Washington by cabin class

Find flights from Ontario to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Ontario to Washington

Find hourly flight availability from Ontario to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2024.
11%of flight departuresEarly morningMidnight to 6 am
71%of flight departuresMorning6 am to noon
18%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Washington?

Cheapflights makes it easy to find Ontario to Washington flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington from Ontario.

Can Cheapflights find flights from Ontario to Washington with no change fees?

Certainly. Search results for flights to Washington from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Washington become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Washington flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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