Vuelos de Delta de Portland (PDX) a Tri-Cities (TRI) desde $279

Ensure you go to the Covid-19 Travel Advisor to discover if there are any present quarantine requirements or travel advice reports in effect in Tri-Cities Regional Airport (TRI) when jet-setting from Portland Airport.

Check your boarding pass to find out which PDX terminal you’ll be taking off from on your way to Tri-Cities Airport with Delta Air Lines. If you can’t find the information on there, consult your airline.

Unfortunately, there are no direct flights from Portland Intl. Airport (PDX) to TRI with Delta Air Lines. Get ready to make at least one stopover if you have to stick to this route and airline.

As it will take about 5 hours and 39 minutes for your Delta Air Lines flight to head from Portland Intl. Airport (PDX) to Tri-Cities Airport, think about tossing some fun travel games in your carry-on. You never know — the passenger next to you might appreciate the opportunity to play to break up the journey.

You’ll find roughly 3 Delta Air Lines flights each day from PDX to TRI.

For more info about changing your flight to Tri-Cities Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, 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.

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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.