In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from BTM to PDX?

When flying from Butte to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Butte to Portland that include hotel bookings?

Yes. In addition to deals on Butte to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Butte to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Butte to Portland.

Can I find deals for business class flights from Butte to Portland?

Yes. Cheapflights offers flight deals from Butte to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$427+ Cheap Flights from Butte to Portland

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1. Tell us where you want to go

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Cheap flight deals from Butte to Portland

Round-trip from	$580 (United Airlines)
One-way from	$427 (United Airlines)

From Butte Silver Bow Co to Portland

Search Deals

One-way flight from Butte Silver Bow Co to Portland

Search Deals

Find flight deals from Butte to Portland

Cheapest flights from Butte to Portland
Explore the most affordable flight options available from Butte to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Fri 8/299:45 amBTM - PDX

1 stop28h 18mUnited Airlines

Tue 9/25:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$580

Thu 9/49:45 amBTM - PDX

2 stops13h 52mUnited Airlines

Sun 9/76:27 pmPDX - BTM

1 stop26h 54mUnited Airlines

Deal found 8/12

$591

Thu 9/46:14 pmBTM - PDX

1 stop5h 21mDelta

Sun 9/79:55 amPDX - BTM

1 stop6h 11mDelta

Deal found 8/12

$598

Wed 8/209:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Wed 8/275:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/13

$645

Thu 9/49:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Tue 9/95:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$719

Best flights from Butte to Portland
Discover carefully curated flight deals from Butte to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Fri 8/299:45 amBTM - PDX

1 stop28h 18mUnited Airlines

Tue 9/25:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$580

Thu 9/46:14 pmBTM - PDX

1 stop5h 21mDelta

Sun 9/79:55 amPDX - BTM

1 stop6h 11mDelta

Deal found 8/12

$598

Thu 9/49:45 amBTM - PDX

2 stops13h 52mUnited Airlines

Sun 9/76:27 pmPDX - BTM

1 stop26h 54mUnited Airlines

Deal found 8/12

$591

Thu 9/49:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Tue 9/95:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$719

Last-minute flights from Butte to Portland
Discover last-minute flight deals from Butte to Portland. Data last updated August 14, 2025 and is based on user searches.

Wed 8/209:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Wed 8/275:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/13

$645

Fri 8/299:45 amBTM - PDX

1 stop28h 18mUnited Airlines

Tue 9/25:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$580

Thu 9/49:45 amBTM - PDX

2 stops13h 52mUnited Airlines

Sun 9/76:27 pmPDX - BTM

1 stop26h 54mUnited Airlines

Deal found 8/12

$591

Thu 9/46:14 pmBTM - PDX

1 stop5h 21mDelta

Sun 9/79:55 amPDX - BTM

1 stop6h 11mDelta

Deal found 8/12

$598

Thu 9/49:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Tue 9/95:00 amPDX - BTM

1 stop16h 21mUnited Airlines

Deal found 8/14

$719

One-way flights from Butte to Portland
Search for one-way flight options from Butte to Portland. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Fri 8/299:45 amBTM - PDX

1 stop24h 43mUnited Airlines

Deal found 8/13

$427

Fly from

Fly to

Route

Depart

Return

Price

ButtePortland

BTM - PDX

BTMPDX

Butte Silver Bow Co

Fri 8/29

9:45 am-1:03 pm

1 stop28h 18m

Portland

Tue 9/2

5:00 am-10:21 pm

1 stop16h 21m

$580

ButtePortland

BTM - PDX

BTMPDX

Butte Silver Bow Co

Thu 9/4

9:45 am-10:37 pm

2 stops13h 52m

Portland

Sun 9/7

6:27 pm-10:21 pm

1 stop26h 54m

$591

ButtePortland

BTM - PDX

BTMPDX

Butte Silver Bow Co

Thu 9/4

6:14 pm-10:35 pm

1 stop5h 21m

Portland

Sun 9/7

9:55 am-5:06 pm

1 stop6h 11m

$598

ButtePortland

BTM - PDX

BTMPDX

Butte Silver Bow Co

Thu 9/4

9:45 am-9:28 am

1 stop24h 43m

Portland

Tue 9/9

5:00 am-10:21 pm

1 stop16h 21m

$719

ButtePortland

BTM - PDX

BTMPDX

Butte Silver Bow Co

Fri 8/29

9:45 am-9:28 am

1 stop24h 43m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Butte to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Butte with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Butte to Portland

What is the cheapest month to book a flight from Butte to Portland?

Currently, November is the cheapest month in which you can book a flight from Butte to Portland (average of $277). Flying from Butte to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Butte to Portland that include hotel bookings?
Yes. In addition to deals on Butte to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Butte to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Butte to Portland.
Can I find deals for business class flights from Butte to Portland?
Yes. Cheapflights offers flight deals from Butte to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Butte to Portland?
Currently, November is the cheapest month in which you can book a flight from Butte to Portland (average of $277). Flying from Butte to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$427+ Cheap flights from Butte to Portland (BTM - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Butte to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Butte to Portland

Round-trip from

One-way from

Find flight deals from Butte to Portland

Cheapest flights from Butte to PortlandExplore the most affordable flight options available from Butte to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Butte to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Butte to Portland that are best for you.

Best time to book a flight from Butte to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Butte with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Butte to Portland

What is the cheapest month to book a flight from Butte to Portland?

Related info for your journey

Find useful and relevant information for your journey from Butte to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Butte to Portland that include hotel bookings?

How can I find direct flights from Butte to Portland?

Can I find deals for business class flights from Butte to Portland?

What is the cheapest month to book a flight from Butte to Portland?

Traveling to a place near Portland?

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Cheapest flights from Butte to Portland
Explore the most affordable flight options available from Butte to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.