What are the cheapest airlines flying from Portland to Butte round-trip?

Flying on Delta is currently your cheapest option to Butte, with prices starting at $342. Another option worth looking into is United Airlines, starting at $550 round trip.

What is the cheapest day to fly from Portland to Butte?

Travelers seeking maximum savings on their Portland to Butte flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Butte ranges from 0.4 - 2.3 inches per month. June is typically the wettest month, when rainfall can reach 2.3 in. February is typically the driest time to visit Butte when rainfall is around 0.4 in.

If weather is an important factor for your trip to Butte, 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 62.6 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest day to fly round-trip from Portland to Butte?

Travelers have found that booking a Tuesday departure is the best way to save up to 5% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Butte as you normally would.

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

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

How can I find direct flights from Portland to Butte?

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

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

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

$332+ Flights from Portland to Butte

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Cheap flight deals from Portland to Butte

Round-trip from	$342 (Delta)

From Portland to Butte Silver Bow Co

Search Deals

Find flight deals from Portland to Butte

Cheapest flights from Portland to Butte
Explore the most affordable flight options available from Portland to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Thu 9/119:50 amPDX - BTM

1 stop6h 13mDelta

Mon 9/156:10 pmBTM - PDX

1 stop6h 42mDelta

Deal found 6/29

$332

Wed 7/166:43 pmPDX - BTM

1 stop26h 49mUnited Airlines

Tue 7/2210:25 amBTM - PDX

1 stop12h 51mUnited Airlines

Deal found 6/29

$550

Best flights from Portland to Butte
Discover carefully curated flight deals from Portland to Butte that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Tue 7/159:51 amPDX - BTM

1 stop6h 44mDelta

Tue 7/226:10 pmBTM - PDX

1 stop6h 25mDelta

Deal found 6/29

$342

Wed 7/166:43 pmPDX - BTM

1 stop26h 49mUnited Airlines

Tue 7/2210:25 amBTM - PDX

1 stop12h 51mUnited Airlines

Deal found 6/29

$550

Last-minute flights from Portland to Butte
Discover last-minute flight deals from Portland to Butte. Data last updated July 1, 2025 and is based on user searches.

Fri 7/119:51 amPDX - BTM

1 stop6h 44mDelta

Mon 7/146:10 pmBTM - PDX

1 stop6h 25mDelta

Deal found 7/1

$402

Fri 7/116:43 pmPDX - BTM

1 stop26h 49mUnited Airlines

Mon 7/1410:25 amBTM - PDX

2 stops27h 07mUnited Airlines

Deal found 7/1

$916

Tue 7/159:51 amPDX - BTM

1 stop6h 44mDelta

Tue 7/226:10 pmBTM - PDX

1 stop6h 25mDelta

Deal found 6/29

$342

Wed 7/166:43 pmPDX - BTM

1 stop26h 49mUnited Airlines

Tue 7/2210:25 amBTM - PDX

1 stop12h 51mUnited Airlines

Deal found 6/29

$550

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandButte

PDX - BTM

PDXBTM

Portland

Thu 9/11

9:50 am-5:03 pm

1 stop6h 13m

Butte Silver Bow Co

Mon 9/15

6:10 pm-11:52 pm

1 stop6h 42m

$332

PortlandButte

PDX - BTM

PDXBTM

Portland

Wed 7/16

6:43 pm-10:32 pm

1 stop26h 49m

Butte Silver Bow Co

Tue 7/22

10:25 am-10:16 pm

1 stop12h 51m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Portland to Butte

Have a flexible travel schedule? Discover the best time to fly to Butte from Portland 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.

Reviews of airlines servicing Butte

Read reviews from past customers who have flown Delta and United Airlines from Portland to Butte. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,974 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,974 reviews

Delta

8.0

Very good

7,974 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,858 reviews

Delta

8.0

Very good

7,974 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Portland to Butte round-trip?
Flying on Delta is currently your cheapest option to Butte, with prices starting at $342. Another option worth looking into is United Airlines, starting at $550 round trip.
Can I find deals for flights from Portland to Butte that include hotel bookings?
Yes. In addition to deals on Portland to Butte flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Butte?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Butte.
Can I find deals for business class flights from Portland to Butte?
Yes. Cheapflights offers flight deals from Portland to Butte by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Butte

Complete your trip

Butte car rentals

Bozeman Gallatin Field Airport car rentals

Missoula Johnson-Bell Field Airport car rentals

Helena Airport car rentals

Butte Silver Bow Co Airport car rentals

Bozeman car rentals

Kalispell car rentals

Missoula car rentals

Billings car rentals

West Yellowstone car rentals

Great Falls car rentals

Top airline flying from Portland to Butte

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$382	Average$523	FlexibilityNo cancel fee	On-timeN/A

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$332+ Cheap flights from Portland to Butte (PDX - BTM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Butte with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Butte

Round-trip from

Find flight deals from Portland to Butte

Cheapest flights from Portland to ButteExplore the most affordable flight options available from Portland to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Explore the most affordable flight options available from Portland to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portland to Butte

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

Reviews of airlines servicing Butte

Get insights into the airlines that provide service to Butte. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Butte. Reviews last updated July 1, 2025.

Read reviews from past customers who have flown Delta and United Airlines from Portland to Butte. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Portland to Butte round-trip?

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

How can I find direct flights from Portland to Butte?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Butte

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Portland to Butte

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Book with Flexibility

Travel Smart

Cheapest flights from Portland to Butte
Explore the most affordable flight options available from Portland to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.