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 August 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.

$342 Cheap Flights from Portland to Butte in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Butte

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

6h 11m1 stop Salt Lake City

6:10 pm - 10:38 pmBTM Butte Silver Bow Co-PDX Portland

5h 28m1 stop Salt Lake City

$342Delta

Fri, Sep 4 - Sun, Sep 6

9:45 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

6h 11m1 stop Salt Lake City

6:10 pm - 10:38 pmBTM Butte Silver Bow Co-PDX Portland

5h 28m1 stop Salt Lake City

$357Delta

Sat, Aug 29 - Sat, Sep 5

9:45 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

6h 11m1 stop Salt Lake City

6:10 pm - 11:39 pmBTM Butte Silver Bow Co-PDX Portland

6h 29m1 stop Salt Lake City

$382Delta

Tue, Sep 1 - Mon, Sep 7

7:05 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

8h 51m2 stops Seattle/Tacoma Intl Salt Lake City

6:10 pm - 11:39 pmBTM Butte Silver Bow Co-PDX Portland

6h 29m1 stop Salt Lake City

$392Delta

Tue, Sep 1 - Mon, Sep 7

7:05 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

8h 51m2 stops Seattle/Tacoma Intl Salt Lake City

6:10 pm - 10:38 pmBTM Butte Silver Bow Co-PDX Portland

5h 28m1 stop Salt Lake City

$428Delta

Sat, Aug 29 - Sat, Sep 5

5:30 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

10h 26m2 stops Seattle/Tacoma Intl Salt Lake City

6:10 pm - 10:38 pmBTM Butte Silver Bow Co-PDX Portland

5h 28m1 stop Salt Lake City

$428Delta

Fri, Sep 4 - Sun, Sep 6

5:00 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

16h 30m1 stop Denver Intl

9:45 am - 9:10 pmBTM Butte Silver Bow Co-PDX Portland

12h 25m1 stop Denver Intl

$550United Airlines

Sat, Oct 17 - Wed, Oct 21

1:13 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

32h 17m2 stops San Francisco Denver Intl

9:45 am - 5:46 pmBTM Butte Silver Bow Co-PDX Portland

9h 01m1 stop Denver Intl

$560United Airlines

Sat, Oct 17 - Wed, Oct 21

1:13 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

32h 17m2 stops San Francisco Denver Intl

9:45 am - 10:15 amBTM Butte Silver Bow Co-PDX Portland

25h 30m2 stops Denver Intl San Francisco

$575United Airlines

Sat, Oct 17 - Wed, Oct 21

9:45 am - 4:56 pmPDX Portland-BTM Butte Silver Bow Co

6h 11m1 stop Salt Lake City

6:10 pm - 11:44 pmBTM Butte Silver Bow Co-PDX Portland

6h 34m1 stop Salt Lake City

$580Delta

Tue, Aug 25 - Fri, Aug 28

Cheap last minute flights

Enter your travel dates to find the best prices.

8:50 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

12h 40m1 stop Denver Intl

8:38 am - 9:32 amBTM Butte Silver Bow Co-PDX Portland

25h 54m1 stop Denver Intl

$1,025United Airlines

Sun, Aug 9 - Sat, Aug 15

8:50 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

12h 40m1 stop Denver Intl

8:38 am - 10:11 amBTM Butte Silver Bow Co-PDX Portland

26h 33m2 stops Denver Intl San Francisco

$1,031United Airlines

Sun, Aug 9 - Sat, Aug 15

5:15 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

16h 15m2 stops San Francisco Denver Intl

8:38 am - 10:11 amBTM Butte Silver Bow Co-PDX Portland

26h 33m2 stops Denver Intl San Francisco

$1,115United Airlines

Sun, Aug 9 - Sat, Aug 15

6:50 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

26h 40m1 stop Denver Intl

9:48 am - 11:56 amBTM Butte Silver Bow Co-PDX Portland

27h 08m3 stops Denver Intl Kansas City Houston George Bush Intcntl

$1,471United Airlines

Thu, Aug 6 - Sat, Aug 8

1:14 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

32h 16m2 stops San Francisco Denver Intl

9:48 am - 11:56 amBTM Butte Silver Bow Co-PDX Portland

27h 08m3 stops Denver Intl Kansas City Houston George Bush Intcntl

$1,476United Airlines

Thu, Aug 6 - Sat, Aug 8

6:50 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

26h 40m1 stop Denver Intl

9:48 am - 7:18 pmBTM Butte Silver Bow Co-PDX Portland

34h 30m2 stops Denver Intl Houston George Bush Intcntl

$1,568United Airlines

Thu, Aug 6 - Sat, Aug 8

6:50 pm - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

26h 40m1 stop Denver Intl

9:48 am - 1:09 pmBTM Butte Silver Bow Co-PDX Portland

28h 21m1 stop Denver Intl

$1,569United Airlines

Thu, Aug 6 - Sat, Aug 8

5:15 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

16h 15m3 stops San Francisco Los Angeles Denver Intl

9:48 am - 11:56 amBTM Butte Silver Bow Co-PDX Portland

27h 08m3 stops Denver Intl Kansas City Houston George Bush Intcntl

$1,686United Airlines

Thu, Aug 6 - Sat, Aug 8

11:16 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

34h 14m3 stops San Francisco Reno Denver Intl

8:38 am - 10:11 amBTM Butte Silver Bow Co-PDX Portland

26h 33m2 stops Denver Intl San Francisco

$1,852United Airlines

Sun, Aug 9 - Sat, Aug 15

11:16 am - 10:30 pmPDX Portland-BTM Butte Silver Bow Co

34h 14m3 stops San Francisco Reno Denver Intl

8:38 am - 11:59 amBTM Butte Silver Bow Co-PDX Portland

28h 21m3 stops Denver Intl Kansas City Houston George Bush Intcntl

$2,039United Airlines

Sun, Aug 9 - Sat, Aug 15

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Delta flights from Portland to Butte

Our best Delta deals on Portland to Butte flight tickets

Delta

Sep 4

PDX9:45 amPortland

6h 11m

1 stop

BTM4:56 pmButte Silver Bow Co

Sep 6

BTM6:10 pmButte Silver Bow Co

5h 28m

1 stop

PDX10:38 pmPortland

$342

Delta

Aug 29

PDX9:45 amPortland

6h 11m

1 stop

BTM4:56 pmButte Silver Bow Co

Sep 5

BTM6:10 pmButte Silver Bow Co

5h 28m

1 stop

PDX10:38 pmPortland

$357

Delta

Sep 1

PDX9:45 amPortland

6h 11m

1 stop

BTM4:56 pmButte Silver Bow Co

Sep 7

BTM6:10 pmButte Silver Bow Co

6h 29m

1 stop

PDX11:39 pmPortland

$382

United Airlines flights from Portland to Butte

Our best United Airlines deals on Portland to Butte flight tickets

United Airlines

Oct 17

PDX5:00 amPortland

16h 30m

1 stop

BTM10:30 pmButte Silver Bow Co

Oct 21

BTM9:45 amButte Silver Bow Co

12h 25m

1 stop

PDX9:10 pmPortland

$550

United Airlines

Oct 17

PDX1:13 pmPortland

32h 17m

2 stops

BTM10:30 pmButte Silver Bow Co

Oct 21

BTM9:45 amButte Silver Bow Co

9h 01m

1 stop

PDX5:46 pmPortland

$560

United Airlines

Oct 17

PDX1:13 pmPortland

32h 17m

2 stops

BTM10:30 pmButte Silver Bow Co

Oct 21

BTM9:45 amButte Silver Bow Co

25h 30m

2 stops

PDX10:15 amPortland

$575

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Fri 9/4

9:45 am-4:56 pm

1 stop6h 11m

Butte Silver Bow Co

Sun 9/6

6:10 pm-10:38 pm

1 stop5h 28m

$342

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Sat 8/29

9:45 am-4:56 pm

1 stop6h 11m

Butte Silver Bow Co

Sat 9/5

6:10 pm-10:38 pm

1 stop5h 28m

$357

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Tue 9/1

9:45 am-4:56 pm

1 stop6h 11m

Butte Silver Bow Co

Mon 9/7

6:10 pm-11:39 pm

1 stop6h 29m

$382

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Tue 9/1

7:05 am-4:56 pm

2 stops8h 51m

Butte Silver Bow Co

Mon 9/7

6:10 pm-11:39 pm

1 stop6h 29m

$392

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Sat 8/29

7:05 am-4:56 pm

2 stops8h 51m

Butte Silver Bow Co

Sat 9/5

6:10 pm-10:38 pm

1 stop5h 28m

$428

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Fri 9/4

5:30 am-4:56 pm

2 stops10h 26m

Butte Silver Bow Co

Sun 9/6

6:10 pm-10:38 pm

1 stop5h 28m

$428

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Sat 10/17

5:00 am-10:30 pm

1 stop16h 30m

Butte Silver Bow Co

Wed 10/21

9:45 am-9:10 pm

1 stop12h 25m

$550

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Sat 10/17

1:13 pm-10:30 pm

2 stops32h 17m

Butte Silver Bow Co

Wed 10/21

9:45 am-5:46 pm

1 stop9h 01m

$560

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Sat 10/17

1:13 pm-10:30 pm

2 stops32h 17m

Butte Silver Bow Co

Wed 10/21

9:45 am-10:15 am

2 stops25h 30m

$575

PortlandButte

PDX Portland - BTM Butte Silver Bow Co

PDXBTM

Portland

Tue 8/25

9:45 am-4:56 pm

1 stop6h 11m

Butte Silver Bow Co

Fri 8/28

6:10 pm-11:44 pm

1 stop6h 34m

$580

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

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, Delta and United Airlines 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 83% 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 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

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 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 August 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 $246	Free Cancellation	Rating 7.8 8,490 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.