$100 Cheap Delta flights Portland (PDX) to Colorado Springs (COS)

You can find affordable return Delta Air Lines flights from $199 from PDX to COS by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $100 for a one-way journey.**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.

January is one of the least expensive months to jet away to Colorado Springs with Delta Air Lines. You could also find excellent prices on return and one-way fares in February.

Search for cheap Delta Air Lines flights from Portland Intl. Airport (PDX) to Colorado Springs Airport (COS) one to three months ahead of your departure. 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 to book a domestic flight is generally Sunday and the most expensive day is typically 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 route from PDX to COS with Delta Air Lines or other carriers, check the “Nonstop” filter when looking for tickets.

Browse Delta Air Lines’s earliest flights from PDX to COS by checking the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**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.

Colorado Springs Airport (COS) is the main Colorado Springs gateway for Delta Air Lines flights from Portland Intl. Airport (PDX).

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

Depending on the type of fare you purchased, a fee will generally apply if you change or cancel your flight more than 24 hours after it’s confirmed. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while searching for flights. For more details on changing or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”