$99 Cheap Delta flights Boise (BOI) to Portland (PDX)

Make use of the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines round-trip flights from $167 from BOI to PDX. Affordable one-way options from $99 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Portland are generally cheaper in the low-season months of January and December. Whether you’re in search of a one-way or a return ticket, you could land a better deal then.

Look for affordable Delta Air Lines flights from Boise Airport (BOI) to Portland Intl. Airport (PDX) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct journey from BOI to PDX with Delta Air Lines or any other carriers, select the “Nonstop” filter when looking for flights.

Filter your results by “Early Morning” and “Morning” to see the earliest flights from BOI to PDX. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Hop on a Delta Air Lines flight from Boise Airport (BOI) to Portland, and you’ll most likely touch down at Portland Intl. Airport (PDX). This is the airline’s primary hub here.

Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers flying from BOI to PDX. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For more information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to adjust your plans without additional costs, tick the “Changes included” and “No cancel fee” filters when organizing your next adventure.