$131 Cheap Delta flights Portland (PDX) to Bismarck (BIS)

Scoring cheap one-way Delta Air Lines flights from PDX to BIS from $131 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $235 for your next 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.

Browse for one-way or return flights to Bismarck in January or November. You could find cheaper fares with Delta Air Lines during these off-peak months.

Look for cheap Delta Air Lines flights from Portland Intl. Airport (PDX) to Bismarck Municipal Airport (BIS) one to three months ahead of 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 ideal day to book a domestic flight is generally 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 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.

Simply enter your dates, press search and select “Nonstop” on Expedia to browse any direct flights from PDX to BIS with Delta Air Lines or another airline.

To find the earliest departures from PDX to BIS with Delta Air Lines, filter your search by “Morning” and “Early Morning.” Booking an early flight usually means cancellations are less likely.**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.

Bismarck Municipal Airport (BIS) is the primary Bismarck gateway for Delta Air Lines flights from Portland Intl. Airport (PDX).

Delta Air Lines makes flying from PDX to BIS more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*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 may apply if you modify or cancel your booking more than 24 hours after it’s confirmed. To find flexible fares, select our “Changes included” or “No cancel fee” filter when you look for flights. To learn more about changing or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”