Cheap flight tickets from Portland to Billings

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Flight deals from Portland to Billings

Looking for a cheap last-minute deal or the best return flight from Portland to Billings? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Billings

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Billings flights are currently cheapest in April.

Direct flights from Portland to Billings

Portland to Billings: Alternative routes

Compare routes from Portland to Billings below. You may find an airport to fly into that's cheaper, faster, or easier than Billings.

Portland to Billings: Flight information

The things to know before you go.
Cheapest flight foundRM999
Cheapest month to flyApril
Average flight time1 hr, 54 mins
Most popular airlineAlaska Airlines
Average flights per week18

Finding cheap flights from Portland to Billings: Frequently asked questions

The best price we found for a return flight from Portland to Billings is RM999. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 54 minutes is the average flight time from Portland to Billings.
Alaska Airlines, Hawaiian Airlines and Horizon Air fly direct from Portland to Billings.
As of February 2026, there are 18 flights per week flying from Portland to Billings.
The cheapest month to fly from Portland to Billings is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Billings Airport on Thursday, 2 April 2026.
Yes – the average flight time is 1 hour and 54 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Billings but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Billings is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Billings.

Travelling from Portland International Airport (PDX) to Billings Logan International Airport (BIL): what you need to know

  • The average length of a direct flight from Portland International Airport to Billings Logan International Airport is 1 hour 50 minutes.

  • Take your pick of six weekly Portland International Airport to Billings Logan International Airport flights. The 10:00 departure with Alaska Airlines is the earliest flight available. Alaska Airlines operates the latest service of the day at 11:47.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to catch your PDX to BIL flight.

  • During popular months such as July, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during peak periods in general.

  • Jetting into Billings (and then discovering more of United States!) is a snap with Alaska Airlines. This popular carrier offers direct flights from Portland International Airport to Billings Logan International Airport.

  • Most travellers choose to fly with Alaska Airlines on this route.

  • Alaska Airlines tops the rankings as the most punctual carrier for PDX to BIL flights, with 88.14% of its services arriving on schedule.

  • If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Portland International Airport to Billings Logan International Airport. These are the top stopovers between PDX and BIL:

    • Denver International Airport

    • Phoenix Sky Harbour International Airport

    • Los Angeles International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Billings Logan International Airport (BIL)

  • Right now, RM947 is the lowest price we've found for a one-way Portland International Airport to Billings Logan International Airport flight. The best price for a return plane ticket is RM999. Keep in mind that fares could change due to availability at the time of booking.

  • Get cheap tickets from PDX to BIL by booking nine months ahead. According to our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from Portland International Airport to Billings Logan International Airport is August. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

  • Save time looking for cheap flights from PDX to BIL by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Portland International Airport to Billings Logan International Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport gets top marks for its on-time performance. 83.65% of flights that take off from PDX reach their destination without delay.

  • To reach Portland International Airport from central Portland, it'll take about 20 minutes by car. This depends on traffic though. It's approximately 19 kilometres from the airport to the city centre.

  • The trip when using public transport will take about 45 minutes.

  • Get your trip off to a stress-free start by staying near PDX. Whether you're catching an early flight from Portland International Airport to Billings Logan International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Billings Logan International Airport (BIL)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late Portland International Airport to Billings Logan International Airport flight. Reserve one of these accommodation options near BIL instead:

  • Pick up a Billings Logan International Airport rental car and discover Billings and beyond with your own set of wheels. Alamo, Budget and Rent a Wreck are popular providers to choose from here.

  • To get the best deal, book your vehicle from Billings Logan International Airport a few weeks in advance. Rates generally rise closer to your date of travel.

Getting from Billings Logan International Airport (BIL) to central Billings

  • The address for BIL is 1901 Terminal Circle, Room 216.

  • Billings Logan International Airport to central Billings has a drive time of about 10 minutes. It's approximately 5 kilometres away.

  • When travelling by public transport, expect a journey of about 25 minutes.

When to fly to Billings Logan International Airport (BIL)

  • July is the busiest month for flights from Portland International Airport to Billings Logan International Airport. To steer clear of the crowds, visit Billings in February.

  • When reserving your flight from Portland International Airport to Billings Logan International Airport, think about the type of weather you enjoy. July is the warmest month in Billings, with temperatures ranging from 14ºC (57ºF) to 34ºC (93ºF).

  • Look for cheap tickets from PDX to BIL in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -18ºC (0ºF) and 8ºC (46ºF) on average.

Explore more of United States

  • Billings is easy to fall in love with, but there are so many other corners of United States you should also see. About 451 kilometres south-east of Billings, a visit to Rapid City will fill your itinerary to the brim. Check out popular attractions like Dinosaur Park, Storybook Island and Museum of Geology.

  • Around 434 kilometres west of Billings, Missoula is another essential stop in United States. Start your sightseeing at A Carousel for Missoula, Brennan's Wave and Missoula Art Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.