What airlines fly to Butte?

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Butte from Portland according to our data. Alaska Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Butte. Keep in mind that there are 4 different airlines that fly to Butte on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Butte Silver Bow Co?

Delta and United Airlines are the most popular carriers operating from Portland to Butte Silver Bow Co

When did momondo last update prices for flights from Portland Airport to Butte Silver Bow Co Airport?

Prices for flights from Portland Airport to Butte Silver Bow Co Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Butte Silver Bow Co Airport?

The number of operators available for flights from Portland Airport to Butte Silver Bow Co Airport is 1 as of December 2025.

How old do you have to be to fly from Portland Airport to Butte Silver Bow Co Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Butte Silver Bow Co Airport.

What documentation or ID do you need to fly to Butte Silver Bow Co Airport?

The travel and health documents you'll need for your trip to Butte Silver Bow Co Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Butte Silver Bow Co Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$294 Cheap Flights from Portland to Butte in 2025/26

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Find the cheapest flights from Portland to Butte

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One-way

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Cheap round-trip flights

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10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 10:54 pm

BTM

PDX

5h 44m1 stop

$294Delta

Sun, Jan 18 - Sat, Jan 24

10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 8:33 am

BTM

PDX

15h 23m2 stops

$299Delta

Sun, Jan 18 - Sat, Jan 24

10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 10:07 am

BTM

PDX

16h 57m2 stops

$300Delta

Sun, Jan 18 - Sat, Jan 24

10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 8:33 am

BTM

PDX

15h 23m2 stops

$311Delta

Sun, Jan 18 - Sat, Jan 24

5:15 pm - 5:11 pm

PDX

BTM

22h 56m2 stops

6:10 pm - 10:07 am

BTM

PDX

16h 57m2 stops

$329Delta

Sun, Jan 18 - Sat, Jan 24

5:15 pm - 5:11 pm

PDX

BTM

22h 56m2 stops

6:10 pm - 8:59 pm

BTM

PDX

27h 49m2 stops

$349Delta

Sun, Jan 18 - Sat, Jan 24

10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 9:09 am

BTM

PDX

15h 59m1 stop

$381Delta

Sun, Jan 18 - Sat, Jan 24

10:00 am - 5:11 pm

PDX

BTM

6h 11m1 stop

6:10 pm - 10:54 pm

BTM

PDX

5h 44m1 stop

$467Delta

Mon, Jan 12 - Thu, Jan 15

3:46 pm - 10:45 pm

PDX

BTM

29h 59m2 stops

9:14 am - 9:45 am

BTM

PDX

25h 31m1 stop

$520United Airlines

Tue, Jan 6 - Sat, Jan 10

12:59 pm - 10:45 pm

PDX

BTM

32h 46m2 stops

9:14 am - 9:45 am

BTM

PDX

25h 31m1 stop

$540United Airlines

Tue, Jan 6 - Sat, Jan 10

Delta flights from Portland to Butte

Our best Delta deals on Portland to Butte flight tickets

Delta

Jan 18

PDX10:00 amPortland

6h 11m

1 stop

BTM5:11 pmButte Silver Bow Co

Jan 24

BTM6:10 pmButte Silver Bow Co

5h 44m

1 stop

PDX10:54 pmPortland

$294

Find similar

Delta

Jan 18

PDX10:00 amPortland

6h 11m

1 stop

BTM5:11 pmButte Silver Bow Co

Jan 24

BTM6:10 pmButte Silver Bow Co

15h 23m

2 stops

PDX8:33 amPortland

$299

Find similar

Delta

Jan 18

PDX10:00 amPortland

6h 11m

1 stop

BTM5:11 pmButte Silver Bow Co

Jan 24

BTM6:10 pmButte Silver Bow Co

16h 57m

2 stops

PDX10:07 amPortland

$300

Find similar

United Airlines flights from Portland to Butte

Our best United Airlines deals on Portland to Butte flight tickets

United Airlines

Jan 6

PDX3:46 pmPortland

29h 59m

2 stops

BTM10:45 pmButte Silver Bow Co

Jan 10

BTM9:14 amButte Silver Bow Co

25h 31m

1 stop

PDX9:45 amPortland

$520

Find similar

United Airlines

Jan 6

PDX12:59 pmPortland

32h 46m

2 stops

BTM10:45 pmButte Silver Bow Co

Jan 10

BTM9:14 amButte Silver Bow Co

25h 31m

1 stop

PDX9:45 amPortland

$540

Find similar

United Airlines

Jan 6

PDX3:46 pmPortland

29h 59m

2 stops

BTM10:45 pmButte Silver Bow Co

Jan 10

BTM9:14 amButte Silver Bow Co

28h 20m

2 stops

PDX12:34 pmPortland

$545

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 1/24

6:10 pm-10:54 pm

1 stop5h 44m

$294

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 1/24

6:10 pm-8:33 am

2 stops15h 23m

$299

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 1/24

6:10 pm-10:07 am

2 stops16h 57m

$300

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 1/24

6:10 pm-8:33 am

2 stops15h 23m

$311

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

5:15 pm-5:11 pm

2 stops22h 56m

Butte Silver Bow Co

Sat 1/24

6:10 pm-10:07 am

2 stops16h 57m

$329

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

5:15 pm-5:11 pm

2 stops22h 56m

Butte Silver Bow Co

Sat 1/24

6:10 pm-8:59 pm

2 stops27h 49m

$349

PortlandButte

PDX - BTM

PDXBTM

Portland

Sun 1/18

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 1/24

6:10 pm-9:09 am

1 stop15h 59m

$381

PortlandButte

PDX - BTM

PDXBTM

Portland

Mon 1/12

10:00 am-5:11 pm

1 stop6h 11m

Butte Silver Bow Co

Thu 1/15

6:10 pm-10:54 pm

1 stop5h 44m

$467

PortlandButte

PDX - BTM

PDXBTM

Portland

Tue 1/6

3:46 pm-10:45 pm

2 stops29h 59m

Butte Silver Bow Co

Sat 1/10

9:14 am-9:45 am

1 stop25h 31m

$520

PortlandButte

PDX - BTM

PDXBTM

Portland

Tue 1/6

12:59 pm-10:45 pm

2 stops32h 46m

Butte Silver Bow Co

Sat 1/10

9:14 am-9:45 am

1 stop25h 31m

$540

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Butte

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Butte?

Our data shows that Wednesday is the least expensive day to fly to Butte. Tickets to fly out on this day can be as low as $483. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Butte for around $508.

When to book flights from Portland to Butte

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Butte according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Butte (PDX to BTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Butte

Fastest flight time	6h 11m
Direct flights	None

The fastest flight from Portland to Butte takes 6h 11m

There are no direct flights from Portland to Butte. There are no popular flight routes from Portland to Butte.

Search flight deals

How far is Portland to Butte Silver Bow Co by plane?
The straight-line distance from Portland to Butte Silver Bow Co is 489.3 mi. Flights usually cover this in 6h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Butte Silver Bow Co Airport?
Prices for flights from Portland Airport to Butte Silver Bow Co Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Butte Silver Bow Co Airport?
The number of operators available for flights from Portland Airport to Butte Silver Bow Co Airport is 1 as of December 2025.
How old do you have to be to fly from Portland Airport to Butte Silver Bow Co Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Butte Silver Bow Co Airport.
What documentation or ID do you need to fly to Butte Silver Bow Co Airport?
The travel and health documents you'll need for your trip to Butte Silver Bow Co Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Butte Silver Bow Co Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Butte?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Butte is Delta (100% of total bookings).

Best airlines flying from Portland to Butte

Compare and see reviews for airlines that fly from Portland to Butte with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $238	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights

Dillon

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Butte?

It is quick and easy to find Portland to Butte flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Butte that suits you.

Can I find flights from Portland to Butte with flexible booking policies on momondo?

momondo does allow users to show only those flights to Butte from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Butte?

momondo provides multiple filters to help you find the best flight to Butte from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Butte right now. Can momondo alert me if prices change?

Price alerts on flights to Butte from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.