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 78% 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?

United Airlines and Delta 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 October 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.

$352 Cheap Flights from Portland to Butte in 2025/26

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Find the cheapest flights from Portland to Butte

Round-trip

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Cheap round-trip flights

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10:15 am - 5:05 pmPDX-BTM

5h 50m1 stop

6:10 pm - 11:41 pmBTM-PDX

6h 31m1 stop

$352Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

10:15 am - 5:05 pmPDX-BTM

5h 50m1 stop

6:10 pm - 11:41 pmBTM-PDX

6h 31m1 stop

$362Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

9:59 am - 5:14 pmPDX-BTM

6h 15m1 stop

6:10 pm - 10:51 pmBTM-PDX

5h 41m1 stop

$402Delta

Find Deal

Tue, Nov 11 - Sat, Nov 15

5:30 am - 5:05 pmPDX-BTM

10h 35m2 stops

6:10 pm - 11:41 pmBTM-PDX

6h 31m1 stop

$411Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

5:45 pm - 5:05 pmPDX-BTM

22h 20m2 stops

6:10 pm - 11:41 pmBTM-PDX

6h 31m1 stop

$421Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

12:55 am - 5:05 pmPDX-BTM

15h 10m2 stops

6:10 pm - 11:41 pmBTM-PDX

6h 31m1 stop

$477Delta

Find Deal

Tue, Apr 14 - Sat, Apr 18

5:00 am - 10:14 pmPDX-BTM

16h 14m1 stop

9:47 am - 10:53 amBTM-PDX

26h 06m2 stops

$546United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

3:54 pm - 10:14 pmPDX-BTM

29h 20m3 stops

9:47 am - 9:38 amBTM-PDX

24h 51m1 stop

$580United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

3:41 pm - 10:22 pmPDX-BTM

29h 41m2 stops

10:00 am - 10:15 amBTM-PDX

25h 15m2 stops

$585United Airlines

Find Deal

Wed, Apr 15 - Sat, Apr 18

3:54 pm - 10:14 pmPDX-BTM

29h 20m3 stops

9:47 am - 10:53 amBTM-PDX

26h 06m2 stops

$586United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

Delta flights from Portland to Butte

Our best Delta deals on Portland to Butte flight tickets

Delta

Apr 15

PDX10:15 amPortland

5h 50m

1 stop

BTM5:05 pmButte Silver Bow Co

Apr 18

BTM6:10 pmButte Silver Bow Co

6h 31m

1 stop

PDX11:41 pmPortland

$352

Find similar

Delta

Apr 15

PDX10:15 amPortland

5h 50m

1 stop

BTM5:05 pmButte Silver Bow Co

Apr 18

BTM6:10 pmButte Silver Bow Co

6h 31m

1 stop

PDX11:41 pmPortland

$362

Find similar

Delta

Nov 11

PDX9:59 amPortland

6h 15m

1 stop

BTM5:14 pmButte Silver Bow Co

Nov 15

BTM6:10 pmButte Silver Bow Co

5h 41m

1 stop

PDX10:51 pmPortland

$402

Find similar

United Airlines flights from Portland to Butte

Our best United Airlines deals on Portland to Butte flight tickets

United Airlines

Nov 14

PDX5:00 amPortland

16h 14m

1 stop

BTM10:14 pmButte Silver Bow Co

Nov 18

BTM9:47 amButte Silver Bow Co

26h 06m

2 stops

PDX10:53 amPortland

$546

Find similar

United Airlines

Nov 14

PDX3:54 pmPortland

29h 20m

3 stops

BTM10:14 pmButte Silver Bow Co

Nov 18

BTM9:47 amButte Silver Bow Co

24h 51m

1 stop

PDX9:38 amPortland

$580

Find similar

United Airlines

Apr 15

PDX3:41 pmPortland

29h 41m

2 stops

BTM10:22 pmButte Silver Bow Co

Apr 18

BTM10:00 amButte Silver Bow Co

25h 15m

2 stops

PDX10:15 amPortland

$585

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 4/15

10:15 am-5:05 pm

1 stop5h 50m

Butte Silver Bow Co

Sat 4/18

6:10 pm-11:41 pm

1 stop6h 31m

$352

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 4/15

10:15 am-5:05 pm

1 stop5h 50m

Butte Silver Bow Co

Sat 4/18

6:10 pm-11:41 pm

1 stop6h 31m

$362

PortlandButte

PDX - BTM

PDXBTM

Portland

Tue 11/11

9:59 am-5:14 pm

1 stop6h 15m

Butte Silver Bow Co

Sat 11/15

6:10 pm-10:51 pm

1 stop5h 41m

$402

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 4/15

5:30 am-5:05 pm

2 stops10h 35m

Butte Silver Bow Co

Sat 4/18

6:10 pm-11:41 pm

1 stop6h 31m

$411

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 4/15

5:45 pm-5:05 pm

2 stops22h 20m

Butte Silver Bow Co

Sat 4/18

6:10 pm-11:41 pm

1 stop6h 31m

$421

PortlandButte

PDX - BTM

PDXBTM

Portland

Tue 4/14

12:55 am-5:05 pm

2 stops15h 10m

Butte Silver Bow Co

Sat 4/18

6:10 pm-11:41 pm

1 stop6h 31m

$477

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 11/14

5:00 am-10:14 pm

1 stop16h 14m

Butte Silver Bow Co

Tue 11/18

9:47 am-10:53 am

2 stops26h 06m

$546

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 11/14

3:54 pm-10:14 pm

3 stops29h 20m

Butte Silver Bow Co

Tue 11/18

9:47 am-9:38 am

1 stop24h 51m

$580

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 4/15

3:41 pm-10:22 pm

2 stops29h 41m

Butte Silver Bow Co

Sat 4/18

10:00 am-10:15 am

2 stops25h 15m

$585

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 11/14

3:54 pm-10:14 pm

3 stops29h 20m

Butte Silver Bow Co

Tue 11/18

9:47 am-10:53 am

2 stops26h 06m

$586

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Direct flights	None

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

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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 5h 50m, 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 October 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 $312	Free Cancellation	Rating 7.9 7,992 reviews		Search Delta flights

Dillon

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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.