Cheap flights from Louisiana to Portland from $84

The cheapest month to fly to Portland from Louisiana is in September. Flight prices, which tend to average around $276, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until August to fly from Louisiana, when ticket prices are also cheap, with an average price of $277.

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $278. 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 Monday, with ticket prices averaging around $468.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $358. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $387 per ticket.

Fly from New Orleans Louis Armstrong to Portland for the best Louisiana - Portland flight prices

You are more likely to see cheaper flights to Portland from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Louisiana for as low as $243 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Louisiana to Portland

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Portland from Louisiana according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

The number of flights available between Louisiana and Portland is 4 per week as of February 2026. The most frequent departure day is Thu, with 50% of weekly flights leaving on this day.

On average, it takes 5h 09m to fly from Louisiana to Portland if you fly out of New Orleans (the most popular airport in Louisiana) and into Portland (the most popular airport in Portland). If you’re flying out of Baton Rouge and into Portland, then the flight time is around 6h 45m.