$144 Find Cheap Flights from Portland to Billings - Compare and Save

Among airlines operating Portland to Billings flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between Portland and Billings.

Flights from Portland to Billings usually depart from Portland (PDX) and arrive at Billings Logan Intl (BIL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Portland to Billings.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $329 round-trip, compared to $409 via a layover through Seattle/Tacoma Intl (SEA).

One-stop flights from Portland to Billings most commonly connect through:

• Salt Lake City (SLC) - 63% of one-stop connections
• Denver Intl (DEN) - 26% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 11% of one-stop connections

Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 35% on the Portland to Billings route. Tuesday is the cheapest departure day at $261 round-trip on average, while Sunday is the most expensive at $397, a difference of $136. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Portland to Billings flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Portland to Billings:

• Earliest: departs at 10:30 am and lands at 12:21 pm
• Latest: departs at 12:14 pm and lands at 2:05 pm.

The flight takes about 1h 51m.

A nonstop flight from Portland to Billings takes 1h 51m, covering 677 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $252 to $1,269. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Portland to Billings are currently lower than usual. Average one-way flight prices are about $206, which is 17% below the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 41m, compared with 5h 14m via Seattle/Tacoma Intl (SEA) and 5h 56m via Denver Intl (DEN).

Billings is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
• Rent-A-Wreck
• Budget
• Avis
• Alamo
• Hertz

Round-trip flights from Portland to Billings range from $278 to $496, with an average of $350 over the past 12 months. Anything below $278 counts as a good deal.

Alaska Airlines is the only airline on the Portland to Billings route offering in-flight Wi-Fi. Pricing depends on fare class.