Cheap flights from Billings to Portland from $99

The cheapest month to fly to Portland from Billings is in May. Flight prices, which tend to average around $257, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until February to fly from Billings, when ticket prices are also cheap, with an average price of $274.

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $327. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $486.

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $313. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $522 per ticket.

Fly from Billings Logan Intl to Portland for the best Billings Logan Intl - Portland flight prices

You are more likely to see cheaper flights to Portland from Billings when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Billings for as low as $223 on momondo.

There are 3 cabin classes available to choose from on Billings Logan Intl to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Billings Logan Intl to Portland

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Portland from Billings according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

As of March 2026, 1 flights take off from Billings and land in Portland each day. The most common flight departure time for this route is 3:00PM, with 100% of daily flights taking off in the afternoon.

As of March 2026, 11 flights take off from Billings and land in Portland each week. The most common flight departure day for this route is Mon, with 27% of weekly flights taking off on this day.