$114 Find Cheap Flights from Portland to Montana - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Montana departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Portland to Montana

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Bozeman
Bozemannonstop$197
Kalispell
Kalispellnonstop$277
Missoula
Missoulanonstop$247
Billings
Billingsnonstop$227
Great Falls
Great Falls1 stop$362
Helena
Helena1 stop$383
Butte
Butte1 stop$322
Bozeman
Bozemannonstop$197
Kalispell
Kalispellnonstop$277
Missoula
Missoulanonstop$247
Billings
Billingsnonstop$227
Great Falls
Great Falls1 stop$362
Helena
Helena1 stop$383
Butte
Butte1 stop$322

Book Cheap Portland to Montana Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Montana that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Montana

Wed, Oct 21 - Sat, Oct 24
Alaska Airlines Logo
10:30 am - 1:15 pm
PDX
-
BZN
1h 45mnonstop
Alaska Airlines Logo
3:55 pm - 4:43 pm
BZN
-
PDX
1h 48mnonstop
$197Alaska Airlines
Wed, Oct 21 - Sat, Oct 24
Alaska Airlines Logo
10:30 am - 1:15 pm
PDX
-
BZN
1h 45mnonstop
Alaska Airlines Logo
3:55 pm - 4:43 pm
BZN
-
PDX
1h 48mnonstop
$207Alaska Airlines
Sat, Sep 19 - Mon, Sep 21
Alaska Airlines Logo
10:33 am - 1:24 pm
PDX
-
BZN
1h 51mnonstop
Alaska Airlines Logo
3:42 pm - 4:34 pm
BZN
-
PDX
1h 52mnonstop
$217Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
5:08 pm - 10:03 pm
PDX
-
BZN
3h 55m
1 stop
Delta Logo
8:25 am - 1:00 pm
BZN
-
PDX
5h 35m
1 stop
$227Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
5:50 pm - 10:49 pm
PDX
-
BZN
3h 59m
1 stop
Delta Logo
6:39 pm - 11:40 pm
BZN
-
PDX
6h 01m
1 stop
$237Delta
Tue, Aug 25 - Mon, Aug 31
Southwest Logo
4:00 pm - 10:25 pm
PDX
-
BZN
5h 25m
1 stop
Southwest Logo
5:05 pm - 11:05 pm
BZN
-
PDX
7h 00m
1 stop
$237Southwest
Tue, Sep 22 - Sat, Sep 26
Delta Logo
5:10 pm - 12:19 am
PDX
-
BZN
6h 09m
1 stop
Delta Logo
8:25 am - 11:46 am
BZN
-
PDX
4h 21m
1 stop
$237Delta
Tue, Aug 25 - Mon, Aug 31
Southwest Logo
11:35 am - 10:25 pm
PDX
-
BZN
9h 50m
2 stops
Southwest Logo
5:05 pm - 11:05 pm
BZN
-
PDX
7h 00m
1 stop
$242Southwest
Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
5:00 am - 1:24 pm
PDX
-
BZN
7h 24m
1 stop
United Airlines Logo
4:32 pm - 9:05 pm
BZN
-
PDX
5h 33m
1 stop
$247United Airlines
Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
5:00 am - 1:24 pm
PDX
-
BZN
7h 24m
1 stop
United Airlines Logo
4:25 pm - 10:45 pm
BZN
-
PDX
7h 20m
1 stop
$247United Airlines
Booking Insights

KAYAK's insights & trends for Portland to Montana flights

Get data-powered insights and trends into flights from Portland to Montana to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland to Montana?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Montana departing in October.

Flight prices are below average for this route right now.

Flights to Montana from Portland usually cost between $238 and $327 in October.
The lowest price found in the past 5 days was $197 on Alaska Airlines (Oct 21-Oct 24).

What is the cheapest Portland to Montana flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Montana from Portland found in the last 5 days was to Bozeman, at $207 round-trip. The most popular route is from Portland (PDX) to Bozeman (BZN), and the cheapest round-trip airline ticket found on this route in the last 5 days was $207.

What is the cheapest time of day to fly to Montana?

The average price for all round-trip flights from Portland to Montana depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Montana is generally at night, when round-trip flights cost $157 on average. The most expensive time of day to fly to Montana is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $448.

Can I save money by flying with a layover from Portland to Montana?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $442, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Portland to Montana?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Montana, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Montana is January, when tickets cost $261 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $546 and $471 respectively.

What’s the cheapest day of the week to fly from Portland to Montana?

The average price of all round-trip flights from Portland to Montana clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Portland to Montana, look for departures on Saturdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Montana, Thursday is the cheapest day to fly and Monday is the most expensive.

How far in advance should I book a flight from Portland to Montana?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Montana, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to Montana, you should book around 3 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low season

January

Cheapest flight

$114
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Portland to Bozeman

FAQs - booking Montana flights

  • How does KAYAK find such low prices on flights from Portland to Montana?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Montana.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Montana?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Montana is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Montana?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Montana with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Montana?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Montana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Portland to Montana

 
See real verified KAYAK customer reviews for airlines flying from Portland to Montana. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Montana? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12723 reviews
7.8Comfort
8.5Crew
8.1Boarding
7.0Food
7.0Entertainment
Airline reviews

I would love it if Alaska Airlines brought back the complimentary beverage service on short flights

10.0 ExcellentChristine, Jul 2026
PDX - SEA
Read more Alaska Airlines reviews

I would love it if Alaska Airlines brought back the complimentary beverage service on short flights

the flight was fine, But I paid extra for an Aisle seat both planes and did not get what I paid for when you pay an extra almost $80 and do not get the desired seats it was frustrating I don't fly much because of my legs need more room. thank you for your attention to this

Our seat assignments were mysteriously changed such that our boarding was delayed when they tried to fix it, but to no avail. It took more than 15 min. before we sat down. Then the catering delayed our plane for 35 min.

The flight was delayed by over an hour with no explanation.

Alaska is a great airline, consistent, on time and friendly employees

I did not try their food or log in to the WiFi but the rest of the trip both ways was easy and most pleasant.

The flight was direct, anytime a flight is on time, and there's not a layover that risk yet another delay is a win!!

The flight 2161 was cancelled after repeated delays; for some reason the crew and not the tower located in Billings, Montana made the call. A cancelled flight is not a big deal, it happens. It was very disappointing that upon cancelling the flight it was a free for all to get to the counter for rebooking. Priority seating and first class ticket holders should have been giving priority to get on the next available flight. Most would agree that the process of moving states away, w/a cat, is stressful. A cancelled flight, 90 minutes to rebook, no place to stay, medication that was to be refrigerated and trying to find a local pet friendly hotel significantly added to the stress. Had I been able to rebook (per priority boarding SOP) I could have called the place I had just checked out of as my room most likely was just as I'd left it, including with pet supplies (which also had to be repurchased). While waiting to rebook, many of us called Alaska Airlines 800 number hoping to get a new flight; the waiting time -- this is not a joke -- was eight (8) hours, which dropped to "just" two (2) hours about 45-minutes later. Due to the cancellation I had to spend $268.75 and I still have not been refunded for the change in ticket (first class to regular). Each time I've call, five times now, the wait time was absurd, or a message of call back is given. Hopefully visiting the airport and talking with an agent face to face will be the final chapter to this experience. Alaska has been my go to air travel for years, hopefully this trip was just a hiccup. A system that forces customer's to spend hours of their time (money) to get a just due refund is not a working system. I suggest Alaska Airlines hire more representatives to handle calls; time is more valuable than money, spending 90 minutes to rebook a flight, without the difference being automatic is absurd. There are things called computers, they do amazing things. Once the flight was cancelled, only three agents were working to rebook the PAX, This too was unacceptable. First class ticket holders pay for first-class service, this should include rebooking on flights that are cancelled. I recall a time when flights were cancelled the airline would offer a hotel should the next flight not be until the following day? I had no idea that was no longer SOP; many could return home, several of us could not. The agents were pleasant once the PAX had their turn to rebook, this was true down in baggage area as well. The flight out the next day was also what I'd come to find of Alaska Airlines.

The actual flight I was rescheduled onto was from Seattle to Bozeman. The flight itself was fine, but due to delays/air traffic issues i spent the day hanging out at the Seattle airport and had to miss a day of work.

I think everything was just fine I wouldn't change nothing

We got stuck on the tarmac taxiing after landing early so we didn’t get off the plane until an hour later than we thought we would

Bus to plane was delayed for no apparent reason and our luggage was still on the belt when they shut it off. Took about 20 minutes to turn it back on to get our luggage.

I haven’t flown economy in over 20 years but it was not bad. Room by my feet for my bag and seat was roomy enough. Surprised in a good way.

Second flight in a row where the entertainment system is broken. 5 hour long flight with no entertainment and flight attendants did not seem interested in resolving the matter. Very shocked to be treated this poorly considering I paid for a first class experience and have Diamond Medallion status.

The service from the flight attendants were of supreme quality. They greeted and treated everyone with a wide smile. This is totally absent nowadays. Kudos to them!!!!

My seat had no padding, it was literally plywood with a plastic cover. I could not change seats on my 10 hour flight. My excitement for this trip helped me deal with the pain.

One of the best crews and best flights I’ve ever had! Really great experience

The flights were on time- Great service Would have liked more options for food choices.

The brakes on the A220 are sensitive and uncomfortably grabby

The bus ride from the terminal to board the plane is uncomfortable and stressful when making a connection.

They we able to seat my companion and I next to each other. Plane’s temperature was very cool. Willl be more prepared on return trip.

Plenty of overhead compartment room. The seat choice option is horrendous as best.

Flight delays - issues with delays waiting for a gate in Denver

I booked through Hawaiian which was supposed to have merged with Alaskan but offered free checked bags and said there would be seat selection at the airport. This was not honored by Alaskan Airlines and they even went out of their way to say “we are not Hawaiian and Hawaiian cannot pick seats on our airline ”. They told us that we could not change seats and that all tickets booked through Hawaiian were “saver fares”. The staff was rude and said that we would be helped last after they take care of the customers that booked through Alaskan. Once we got on the flight in our middle seats they played a message that said they have merged with Hawaiian and you can book on either website which would have been funny if we were not so uncomfortable. All in all it was a terrible experience and I do not recommend that anyone fly Alaskan unless they absolutely have to.

A cold sandwich would be much better than the warm gummy croissant.

Seats were so uncomfortable. Used to southwest so this was really disappointing. No wifi made for a long5 hour flight

It’s really tough when you purchase tickets and you are unable to purchase your seats, and just get random seats when you are traveling with someone.

Having enough fuel to get to our destination seems like it should be a given when you board a plane. Not in this case, delayed hours to refuel.

Almost everything was perfecto expect for entertainment. There are not a many options.

The screen where I sat was not working and charger also poorly. Can’t enjoy entertainments and space of seat was narrow.

the whole trip was smooth, and as comfortable as flying is these days. flight crew was friendly and very courteous and helpful.

Yet another flight in which beverage and snack service was skipped. Other that that, firmly mediocre. Landed early, to gate late due to congestion at the gates. Airline's fault or airports fault: unknown.

The flights were on time which was great give. It was holiday travel season and there’d been some weather issues. The only complaint and this is every time with United is the terrible seat design. The head rest is not built for comfort and having my neck bent forward for a cross country trip reminded me while I try not to take United flights as a rule.

This was a very average flight. The seat was out of alignment so more uncomfortable than usual. The cabin felt not well maintained. But I safely got where I needed to go.

We had a 90 minute delay due to equipment failure that was detected just before we took off. United rebooked my connecting flight.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

Poor seating comfort, seat cushion too thin, very uncomfortable. My luggage didi not make the flight due to equipment change. At least. United had it delivered the next day. I was without my toilet items for one day.

Flight cancelled because of the grounded 737s. United was good about it and got us onto a later Alaska Airlines flight to Oakland (not San Francisco as originally intended). Had to go through security again and my wife dropped her MacBook Pro, which broke, a $2,500 whoopsie. But we made it home.

I liked being upgraded to first class. The flight was a redeye, so I did sleep most of it.

Everything you need to know for your flight from Portland to Montana

Information on your arrival and departure airports