Cheap Flights to Treasure County from $61 (2026/2027)

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How Much Does it Cost To Fly To Treasure County?

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

Wed, Jan 13 - Wed, Jan 20
AZA
Phoenix - Mesa Gateway
BIL
Logan Intl.
$109 Roundtrip, found 5 hours ago
$109
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Wed, Jan 13 from Phoenix - Mesa Gateway to Logan Intl., returning Wed, Jan 20, priced at $109 found 5 hours ago
Fri, Nov 6 - Mon, Nov 9
AZA
Phoenix - Mesa Gateway
BIL
Logan Intl.
$116 Roundtrip, found 23 hours ago
$116
Roundtrip
found 23 hours ago
Select Allegiant Air flight, departing Fri, Nov 6 from Phoenix - Mesa Gateway to Logan Intl., returning Mon, Nov 9, priced at $116 found 23 hours ago
Fri, Nov 13 - Mon, Nov 16
AZA
Phoenix - Mesa Gateway
BIL
Logan Intl.
$123 Roundtrip, found 8 hours ago
$123
Roundtrip
found 8 hours ago
Select Allegiant Air flight, departing Fri, Nov 13 from Phoenix - Mesa Gateway to Logan Intl., returning Mon, Nov 16, priced at $123 found 8 hours ago
Fri, Dec 4 - Fri, Dec 11
AZA
Phoenix - Mesa Gateway
BIL
Logan Intl.
$131 Roundtrip, found 1 day ago
$131
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Dec 4 from Phoenix - Mesa Gateway to Logan Intl., returning Fri, Dec 11, priced at $131 found 1 day ago
Tue, Oct 27 - Sat, Oct 31
SEA
Seattle - Tacoma Intl.
BIL
Logan Intl.
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 27 from Seattle - Tacoma Intl. to Logan Intl., returning Sat, Oct 31, priced at $159 found 5 days ago
Tue, Dec 8 - Tue, Dec 15
SEA
Seattle - Tacoma Intl.
BIL
Logan Intl.
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 8 from Seattle - Tacoma Intl. to Logan Intl., returning Tue, Dec 15, priced at $227 just found
Sat, Jan 9 - Tue, Jan 12
PDX
Portland Intl.
BIL
Logan Intl.
$247 Roundtrip, found 1 hour ago
$247
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Jan 9 from Portland Intl. to Logan Intl., returning Tue, Jan 12, priced at $247 found 1 hour ago
Thu, Oct 29 - Sat, Oct 31
SEA
Seattle - Tacoma Intl.
BIL
Logan Intl.
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 29 from Seattle - Tacoma Intl. to Logan Intl., returning Sat, Oct 31, priced at $276 found 2 days ago
OriginDestinationTravel DatesFlights From*
LASBillingsOctober 23 to October 26$92
AZABillingsJanuary 13 to January 20$109
SEABillingsOctober 27 to October 31$159
PDXBillingsNovember 7 to November 14$247
DENBillingsDecember 4 to December 5$299
MSPBillingsDecember 2 to December 7$319
MSPSheridanNovember 5 to November 9$333
DFWBillingsDecember 16 to January 16$347
PDXSheridanDecember 3 to December 6$365
SLCBillingsOctober 21 to November 4$393
BNABillingsNovember 4 to November 7$445
DENSheridanDecember 9 to January 17$488
PHLBillingsOctober 16 to October 24$705
PHXSheridanDecember 1 to December 5$732
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
AZABillingsOctober 2 to October 7$324
DFWBillingsOctober 4 to October 5$453
SEABillingsOctober 2 to October 5$457
SLCBillingsOctober 2 to October 4$469
DENBillingsOctober 2 to October 4$505
LASBillingsOctober 2 to October 6$517
BNABillingsOctober 4 to October 7$519
PDXBillingsOctober 2 to October 5$521
PHLBillingsOctober 4 to October 6$693
BNASheridanOctober 4 to October 7$1,059
DFWSheridanOctober 4 to October 5$1,080
MSPBillingsOctober 3 to October 5$1,642
*Prices include taxes and fees

Best Treasure County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Western Executive Inn
2.5-star property

Western Executive Inn

Oct 8 - Oct 11

3 night stay

Detroit (DTW) to Billings (BIL)

United • Roundtrip • Coach
Price was $779, price is now $715 per person
$715
per person
found 4 hours ago
Billings Hotel and Convention Center
3.0-star property

Billings Hotel and Convention Center

Oct 8 - Oct 11

3 night stay

Detroit (DTW) to Billings (BIL)

United • Roundtrip • Coach
Price was $1,028, price is now $826 per person
$826
per person
found 4 hours ago
Northern Hotel
4.0-star property

Northern Hotel

Oct 8 - Oct 11

3 night stay

Detroit (DTW) to Billings (BIL)

United • Roundtrip • Coach
Price was $978, price is now $868 per person
$868
per person
found 4 hours ago
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Travelers ❤️ These Treasure County 🏨

3-bedroom lodging located outside Hysham at an end of road farm setting.

3-bedroom lodging located outside Hysham at an end of road farm setting.

Hysham MT
Enjoy free WiFi, a garden, and laundry facilities.
10/10 Exceptional! (13 reviews)
"What a great secluded place! Jordan and his family afford anmazing opportunity for an abundance of wildlife."

Reviewed on Jan 8, 2026

Opens in a new window3-bedroom lodging located outside Hysham at an end of road farm setting.
Homestead Inn and Suites

Homestead Inn and Suites

2.5 out of 5
201 14th St W Hardin MT
Stay at this motel in Hardin. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Southwest Park and Big Horn County Historical Museum are located nearby.
Opens in a new windowHomestead Inn and Suites
Hardin Lodge Little Bighorn Battle Field I-90

Hardin Lodge Little Bighorn Battle Field I-90

2.5 out of 5
1324 N Crawford Ave Hardin MT
Book a stay at this business-friendly hotel in Hardin. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Southwest Park and Big Horn County Historical Museum are located nearby.
Opens in a new windowHardin Lodge Little Bighorn Battle Field I-90
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Surestay By Best Western Forsyth

Surestay By Best Western Forsyth

2.5 out of 5
225 Westwind Ln Forsyth MT
Stay at this hotel in Forsyth. Enjoy free breakfast, free WiFi, and a 24-hour front desk.
Opens in a new windowSurestay By Best Western Forsyth
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 Treasure County?
To help you budget, the cheapest roundtrip flight to Treasure County cost $92 within the last seven days. An excellent way to nab a travel bargain is to be flexible with your dates. This price was available on Travelocity for flights to Treasure County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Treasure County?
If you're thinking about a trip to Treasure County, January is the cheapest time to hop on a plane. This is based on Travelocity's direct return flight demand between January and December last year. Choose your dates and lock in your seat today.
How can I check my flight status to Treasure County?
Whether you'd like to view the status of your flight to Treasure County or change your itinerary, you'll find everything you need on our customer portal, Trips. Click on "Trips" at the top right of our homepage, then sign in or create an account. Another helpful way to access and manage all your bookings is with the Travelocity app. Get alerts about gate changes or flight delays and quickly share updates with any family flying with you.
How do I find the best deals on flights to Treasure County?
Try these tips — book early, avoid vacation periods and be flexible with your travel dates. If you don't have a specific date in mind, search for your flight to Treasure County on Travelocity and click on "Flexible dates" at the top of the page. This will help you find any cheaper tickets on surrounding days. $92 was the lowest price paid for a roundtrip flight to Treasure 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 Treasure County with Travelocity?
An amazing getaway is only a click or two away when you book your trip with Travelocity. With competitive deals on cheap family flights, places to stay and more, we make it simple to find the best prices to suit your needs. You can also make use of our 24/7 online chat support and free cancellations on most hotels during your trip. Wander wisely with us and pick up your cheap flights to Treasure County today.
What are the most popular flight routes to Treasure County?
With great connections, organizing flights to Treasure County couldn't be simpler. Here are several of the busiest flight routes to this leading travel destination:

  • 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 Treasure County on average?
Tickets for roundtrip flights to Treasure County were priced between $92 and $1,642 in the last seven days. As soon as you spot a fantastic deal, snap it up and get ready to jet off on your next big adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Treasure County?
Here you'll find some top direct flights to Treasure County along with their average flight duration:

  • Sidney, MT (SDY-Sidney-Richland Municipal) to Logan Intl. Airport (BIL) - 1 hour and 35 minutes
  • Denver, CO (DEN-Denver Intl.) to Logan Intl. Airport (BIL) - 1 hour and 36 minutes
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Logan Intl. Airport (BIL) - 1 hour and 24 minutes

What can I expect on a flight to Treasure County?
If you've booked a long-haul flight to Treasure County, you can generally expect meals, drinks and entertainment on board. Airlines strive to make longer flights as comfortable as possible. Brief trips — as well as flights offered by low-cost airlines — may not come with such inclusions. If you're chasing cheap flights for family vacations with a budget carrier, it's likely you'll pay extra for entertainment and food.