The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $155 round trip and $78 one way. Prices and availability subject to change. Additional terms may apply.
It's always prudent to know about any travel advice reports and quarantine requirements in place in your destination. Ensure you check out the Covid-19 Travel Advisor for up-to-date information on booking a flight to Seattle, WA (SEA-Seattle - Tacoma Intl.).
What terminal is American Airlines at Ontario, CA (ONT-Los Angeles - Ontario Intl.)?Your boarding pass usually tells you which terminal your American Airlines flight will be boarding from at Ontario Airport. It might also be able to provide you with arrival details for Seattle - Tacoma Intl. Airport (SEA). If not, you might like to consult your airline.
Are there American Airlines non-stop flights from ONT to SEA?You won't find any nonstop flights with American Airlines from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Seattle - Tacoma Intl. Airport (SEA). You will have at least one stopover, so use this time to stretch your legs before boarding your connecting flight.
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 Seattle, WA (SEA-Seattle - Tacoma Intl.), please visit our Customer Service Portal.
Which airlines offer COVID-19 measures and exercise social distancing rules?Alaska Airlines, Delta and Southwest Airlines 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.
To find the best deals on flights to Ontario from Seattle with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option. With airfares ranging from $155 to $158, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
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 American Airlines flight from Ontario to Seattle costs from $78. Prices and availability subject to change. Additional terms may apply.
To find a cheap American Airlines flight from Ontario ONT to Seattle SEA, 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.
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 December, or if you book a flight with a stopover.
If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
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.
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.
Airport Code | Country | Airport Name | Number of Flights |
|---|---|---|---|
| DFW | USA | Dallas-Fort Worth Intl. | 599 |
| CLT | USA | Charlotte-Douglas Intl. | 536 |
| ORD | USA | O'Hare Intl. | 317 |
| PHL | USA | Philadelphia Intl. | 247 |
| MIA | USA | Miami Intl. | 193 |
| DCA | USA | Ronald Reagan Washington National | 152 |
| PHX | USA | Sky Harbor Intl. | 141 |
| LAX | USA | Los Angeles Intl. | 81 |
| LGA | USA | LaGuardia | 72 |
| BOS | USA | Logan Intl. | 57 |
Reviewed on Aug 28, 2021
Reviewed on Sep 13, 2021
Reviewed on Sep 23, 2021