$149 Cheap Delta flights Raleigh (RDU) to Kalispell (FCA)

Landing cheap one-way Delta Air Lines flights from RDU to FCA from $149 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $297 for your next exciting getaway.**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 Kalispell are usually cheaper in the low-season months of January and December. Whether you’re searching for a one-way or a return ticket, you could land a better deal then.

To find cheap Delta Air Lines fares from Raleigh - Durham Intl. Airport (RDU) to Glacier Park Intl. Airport (FCA), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Select our “Nonstop” filter when looking for direct Delta Air Lines flights from RDU to FCA. It’s also an easy way to compare other carriers servicing the same direct route.

Browse Delta Air Lines’s earliest flights from RDU to FCA by using the “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures also have a 20% less chance of being 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.

Catch a Delta Air Lines flight from Raleigh - Durham Intl. Airport (RDU) to Kalispell, and you’ll likely land at Glacier Park Intl. Airport (FCA). This is the airline’s main hub here.

Jetting off from RDU to FCA with Delta Air Lines comes with a variety of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee generally applies if you change or cancel your booking more than 24 hours after confirmation. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when searching for flights. For more information on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”