$68 Delta Cheap Flights from Seattle to Ontario

Find The Best Day To Fly from Seattle to Ontario

Amazing Delta SEA to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were round trip and $68 one way. Prices and availability subject to change. Additional terms may apply.

ONT From SEA Economy Coach Packages on Similar Airlines

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FAQs about Delta Flights from SEA to ONT

Can I catch a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) right now?

Make sure you check out the Covid-19 Travel Advisor to see if there are any present travel advice reports or quarantine requirements in place in Ontario, CA (ONT-Los Angeles - Ontario Intl.) when flying in from Seattle, WA (SEA-Seattle - Tacoma Intl.).

What terminal is Delta at Sea-Tac Airport?

If you're heading from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), you'll probably be exiting the plane at terminal 2. We can't say for sure which terminal you'll be heading off from — it's a good idea to ask your airline.

Are there Delta non-stop flights from SEA to ONT?

Direct flights are offered by Delta, which means you can get from SEA to Ontario, CA (ONT-Los Angeles - Ontario Intl.) the easy way. Those glorious travel experiences you're chasing are a hassle-free flight away.

How long is a Delta flight from SEA to ONT?

Your Delta flight should get you from SEA to ONT in just 3 hours and 17 minutes. If you're not too fond of speaking to other travelers while you're on the plane, don't stress — you won't have to make small talk for too long.

What type of aircraft does Delta fly from SEA to ONT?

The Embraer 175 is typically used by Delta between Seattle, WA (SEA-Seattle - Tacoma Intl.) and Los Angeles - Ontario Intl. Airport (ONT). Browse through the aircraft safety card in your seat pocket if you'd like to learn a little about it.

How many direct and indirect flights does Delta fly from SEA to ONT?

When journeying from SEA to ONT, you'll find there are approximately 4 Delta daily flights to select from.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Los Angeles - Ontario Intl. Airport (ONT), please visit our Customer Service Portal.

Which airlines offer COVID-19 measures and exercise social distancing rules?

Southwest Airlines, American Airlines and Delta are just some of the many carriers that employ COVID-19 measures and use social distancing rules on their flights. Some of their strategies are cleaning with disinfectant and providing passenger masks.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

CarrierFlightDepart SEAArrive ONTThu
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Discover our best Delta flight from Seattle SEA to Ontario ONT 

To find the best deals on flights to Seattle from Ontario with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Ontario ONT with Delta 

If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Delta flights from Seattle SEA to Ontario ONT 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Delta flight from Seattle to Ontario costs from $68. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Ontario ONT from  Seattle SEA with Delta 

To find a cheap Delta flight from Seattle SEA to Ontario ONT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Delta flights from Seattle SEA to Ontario ONT 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Ontario ONT with Delta 

If you’re keen to be on Ontario soil fast, don’t waste time with a stopover—filter your search results to show direct Delta flights only. The journey takes around 2 hour(s) 37 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Delta flights from Seattle SEA to Ontario ONT 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Ontario ONT from  Seattle SEA with Delta on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport Code
Country
Airport Name
Number of Flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

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Ontario Airport Hotel & Conference Center
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The price is $135 per night from Nov 14 to Nov 14
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4.3/5 Excellent! (11 reviews)
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Embassy Suites Ontario Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.