Flights To Petroleum County - Cheap Flights Starting at CA $282

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How Much Does it Cost To Fly To Petroleum County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $359 Roundtrip, found 1 day ago
CA $359
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $359 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $423 Roundtrip, found 1 day ago
CA $423
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $423 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $443 Roundtrip, found 1 day ago
CA $443
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $443 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $471 Roundtrip, found 1 day ago
CA $471
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $471 found 1 day ago
Fri, Jul 24 - Wed, Aug 12
YYZ
Pearson Intl.
BIL
Logan Intl.
CA $472 Roundtrip, found 6 hours ago
CA $472
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Jul 24 from Pearson Intl. to Logan Intl., returning Wed, Aug 12, priced at CA $472 found 6 hours ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $527 Roundtrip, found 1 day ago
CA $527
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $527 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $534 Roundtrip, found 1 day ago
CA $534
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $534 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $541 Roundtrip, found 1 day ago
CA $541
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $541 found 1 day ago
Wed, Aug 19 - Fri, Aug 28
PDX
Portland Intl.
BIL
Logan Intl.
CA $555 Roundtrip, found 1 day ago
CA $555
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Portland Intl. to Logan Intl., returning Fri, Aug 28, priced at CA $555 found 1 day ago
Fri, Jul 24 - Sat, Jul 25
YEG
Edmonton Intl.
BIL
Logan Intl.
CA $678 Roundtrip, found 2 days ago
CA $678
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jul 24 from Edmonton Intl. to Logan Intl., returning Sat, Jul 25, priced at CA $678 found 2 days ago
OriginDestinationTravel datesFlights from*
SEABillingsSeptember 30 to October 4CA $304
*Prices include taxes and fees

Travelers ❤️ These Petroleum County 🏨

Small Town Big Sky

Small Town Big Sky

Winnett MT
Stay at this vacation home in Winnett. Enjoy free WiFi, a garden, and laundry facilities.
9.6/10 Exceptional! (7 reviews)
"Have stayed here twice highly recommend if you can find it available always booked and for good reason. Great place"

Reviewed on Nov 6, 2025

Opens in a new windowSmall Town Big Sky
​The CMR Island: 80 acres Borders Refuge on 3 Sides Unit 410 Basecamp

​The CMR Island: 80 acres Borders Refuge on 3 Sides Unit 410 Basecamp

Winnett MT
Stay at this cabin in Winnett. Enjoy air conditioning.
Opens in a new window​The CMR Island: 80 acres Borders Refuge on 3 Sides Unit 410 Basecamp
Harry's House....Simple Sleeping

Harry's House....Simple Sleeping

Roy MT
Stay at this cabin in Roy. Enjoy an in-room coffeemaker and air conditioning.
9.8/10 Exceptional! (83 reviews)
"When I first arrived I thought check-in was terrible. I couldn't find the door code or the owner. But it was all my fault. I was looking at the wrong building next door (a wooden cabin). When I found the correct building, there were phone numbers on the windows, I called, and Shelley? called me right ..."

Reviewed on Jun 17, 2026

Opens in a new windowHarry's House....Simple Sleeping
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Near Hunting: Cozy Cabin w/ Deck in Grass Range!

Near Hunting: Cozy Cabin w/ Deck in Grass Range!

3 out of 5
Grass Range MT
Stay at this cottage in Grass Range. Enjoy free parking and in-room fireplaces.
10/10 Exceptional! (1 review)
"Vary clean. Great host love being there"

Reviewed on Apr 26, 2026

Opens in a new windowNear Hunting: Cozy Cabin w/ Deck in Grass Range!
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Petroleum County?
To give you a ballpark figure, the cheapest roundtrip flight to Petroleum County was CA $304 during the last seven days. An excellent way to snap up a good deal is to be flexible with your dates. This price was available on Travelocity for flights to Petroleum County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Petroleum County?
Splash out more money on epic adventures and less on airfares by zipping off to Petroleum County in August. This is the best-priced month to jet off to this destination according to Travelocity's direct return flight demand between January and December last year. Take a peek at our selection of flights and get out of town without breaking the bank.
How can I check my flight status to Petroleum County?
"Trips" should be your first stop when it comes to the details of your flight to Petroleum County. Travelocity's customer portal lets you handle everything in the one place, from checking the status of your flight to changing or canceling your booking. Click on Trips at the top of the Travelocity homepage and then create a new account or sign in to an existing one. Or you can download the Travelocity app and access your itinerary on the go. Whether you've got the family flying with you or you're on your own, all your travel plans are right at your fingertips.
How do I find the best deals on flights to Petroleum County?
There are a few ways — book in advance, avoid peak season and be flexible with your travel dates. If your dates aren't set in stone, search for your flight to Petroleum County on Travelocity and click on "Flexible dates" above your results. This will help you locate any cheaper fares on surrounding days. CA $304 was the best deal for a return flight to Petroleum County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Petroleum County with Travelocity?
Browse cheap flights to Petroleum County with Travelocity and start planning your next vacation. With round-the-clock customer support throughout every step of the process and our Price Match Guarantee, we take the difficulty out of finding cheap family flights, accommodations and more. Get your hands on a great deal today and gear up for the adventure of your dreams.
What are the most popular flight routes to Petroleum County?
To help you choose your flights to Petroleum County, here's our list of some of the preferred routes:

  • Sidney, MT (SDY-Sidney-Richland Municipal) to Logan Intl. Airport (BIL) - 1,061 flights a month.
  • Denver, CO (DEN-Denver Intl.) to Logan Intl. Airport (BIL) - 862 flights a month.
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Logan Intl. Airport (BIL) - 637 flights a month.

How much is a flight to Petroleum County on average?
Passengers have found roundtrip flights to Petroleum County for between CA $304 and CA $678 with Travelocity in the last seven days. Whether you want to fly economy or business class, we'll help you land the best deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.