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 May 2026.

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.

$288 Cheap Flights from Portland to Butte in 2026

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Find the cheapest flights from Portland to Butte

Round-trip

One-way

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Cheap round-trip flights

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9:46 am - 4:56 pm

PDX

BTM

6h 10m

1 stop

6:10 pm - 11:39 pm

BTM

PDX

6h 29m

1 stop

$372Delta

Thu, Aug 6 - Mon, Aug 10

9:50 am - 4:58 pm

PDX

BTM

6h 08m

1 stop

6:10 pm - 11:46 pm

BTM

PDX

6h 36m

1 stop

$543Delta

Sat, Jun 6 - Fri, Jun 12

5:00 am - 10:30 pm

PDX

BTM

16h 30m

1 stop

10:15 am - 12:10 pm

BTM

PDX

26h 55m

2 stops

$550United Airlines

Fri, May 29 - Tue, Jun 2

1:14 pm - 10:30 pm

PDX

BTM

32h 16m

2 stops

10:15 am - 12:10 pm

BTM

PDX

26h 55m

2 stops

$555United Airlines

Fri, May 29 - Tue, Jun 2

5:00 am - 10:30 pm

PDX

BTM

16h 30m

1 stop

10:15 am - 9:10 pm

BTM

PDX

11h 55m

1 stop

$570United Airlines

Fri, May 29 - Tue, Jun 2

9:50 am - 4:58 pm

PDX

BTM

6h 08m

1 stop

6:10 pm - 10:40 pm

BTM

PDX

5h 30m

1 stop

$578Delta

Sat, Jun 6 - Sat, Jun 13

6:50 pm - 10:30 pm

PDX

BTM

26h 40m

1 stop

10:15 am - 9:47 am

BTM

PDX

24h 32m

1 stop

$605United Airlines

Fri, Jul 3 - Tue, Jul 7

6:50 pm - 10:30 pm

PDX

BTM

26h 40m

1 stop

10:15 am - 12:07 pm

BTM

PDX

26h 52m

2 stops

$611United Airlines

Fri, Jul 3 - Tue, Jul 7

1:14 pm - 10:30 pm

PDX

BTM

32h 16m

2 stops

10:15 am - 12:07 pm

BTM

PDX

26h 52m

2 stops

$635United Airlines

Fri, Jul 3 - Tue, Jul 7

1:14 pm - 10:30 pm

PDX

BTM

32h 16m

2 stops

10:15 am - 12:10 pm

BTM

PDX

26h 55m

2 stops

$640United Airlines

Fri, May 29 - Tue, Jun 2

United Airlines flights from Portland to Butte

Our best United Airlines deals on Portland to Butte flight tickets

United Airlines

May 29

PDX5:00 amPortland

16h 30m

1 stop

BTM10:30 pmButte Silver Bow Co

Jun 2

BTM10:15 amButte Silver Bow Co

26h 55m

2 stops

PDX12:10 pmPortland

$550

United Airlines

May 29

PDX1:14 pmPortland

32h 16m

2 stops

BTM10:30 pmButte Silver Bow Co

Jun 2

BTM10:15 amButte Silver Bow Co

26h 55m

2 stops

PDX12:10 pmPortland

$555

United Airlines

May 29

PDX5:00 amPortland

16h 30m

1 stop

BTM10:30 pmButte Silver Bow Co

Jun 2

BTM10:15 amButte Silver Bow Co

11h 55m

1 stop

PDX9:10 pmPortland

$570

Delta flights from Portland to Butte

Our best Delta deals on Portland to Butte flight tickets

Delta

Aug 6

PDX9:46 amPortland

6h 10m

1 stop

BTM4:56 pmButte Silver Bow Co

Aug 10

BTM6:10 pmButte Silver Bow Co

6h 29m

1 stop

PDX11:39 pmPortland

$372

Delta

Jun 6

PDX9:50 amPortland

6h 08m

1 stop

BTM4:58 pmButte Silver Bow Co

Jun 12

BTM6:10 pmButte Silver Bow Co

6h 36m

1 stop

PDX11:46 pmPortland

$543

Delta

Jun 6

PDX9:50 amPortland

6h 08m

1 stop

BTM4:58 pmButte Silver Bow Co

Jun 13

BTM6:10 pmButte Silver Bow Co

5h 30m

1 stop

PDX10:40 pmPortland

$578

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandButte

PDX - BTM

PDXBTM

Portland

Thu 8/6

9:46 am-4:56 pm

1 stop6h 10m

Butte Silver Bow Co

Mon 8/10

6:10 pm-11:39 pm

1 stop6h 29m

$372

PortlandButte

PDX - BTM

PDXBTM

Portland

Sat 6/6

9:50 am-4:58 pm

1 stop6h 08m

Butte Silver Bow Co

Fri 6/12

6:10 pm-11:46 pm

1 stop6h 36m

$543

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 5/29

5:00 am-10:30 pm

1 stop16h 30m

Butte Silver Bow Co

Tue 6/2

10:15 am-12:10 pm

2 stops26h 55m

$550

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 5/29

1:14 pm-10:30 pm

2 stops32h 16m

Butte Silver Bow Co

Tue 6/2

10:15 am-12:10 pm

2 stops26h 55m

$555

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 5/29

5:00 am-10:30 pm

1 stop16h 30m

Butte Silver Bow Co

Tue 6/2

10:15 am-9:10 pm

1 stop11h 55m

$570

Quickest round-trip

PortlandButte

PDX - BTM

PDXBTM

Portland

Sat 6/6

9:50 am-4:58 pm

1 stop6h 08m

Butte Silver Bow Co

Sat 6/13

6:10 pm-10:40 pm

1 stop5h 30m

$578

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 7/3

6:50 pm-10:30 pm

1 stop26h 40m

Butte Silver Bow Co

Tue 7/7

10:15 am-9:47 am

1 stop24h 32m

$605

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 7/3

6:50 pm-10:30 pm

1 stop26h 40m

Butte Silver Bow Co

Tue 7/7

10:15 am-12:07 pm

2 stops26h 52m

$611

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 7/3

1:14 pm-10:30 pm

2 stops32h 16m

Butte Silver Bow Co

Tue 7/7

10:15 am-12:07 pm

2 stops26h 52m

$635

PortlandButte

PDX - BTM

PDXBTM

Portland

Fri 5/29

1:14 pm-10:30 pm

2 stops32h 16m

Butte Silver Bow Co

Tue 6/2

10:15 am-12:10 pm

2 stops26h 55m

$640

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

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.

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 08m
Direct flights	None

The fastest flight from Portland to Butte takes 6h 08m

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

Search flight deals

Frequently asked questions about flying from Portland to Butte

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 08m, 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 May 2026.
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 $218	Free Cancellation	Rating 7.9 8,457 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.