$139+ Cheap flights from Portland to Billings (PDX - BIL)
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIL
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Billings with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Billings
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Best
Last-minute
One-way
Cheapest flights from Portland to BillingsExplore the most affordable flight options available from Portland to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Portland to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:07 pm -
1 stop5h 46m
Sat 10/312:42 pm -
1 stop7h 31m
Deal found 9/22![United Airlines logo]()
$179
This Trip.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 pm -
1 stop5h 05m
Thu 10/293:44 pm -
Nonstop2h 06m
Deal found 9/22![Alaska Airlines logo]()
$262
This Priceline deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:03 pm -
Nonstop1h 49m
Wed 12/93:32 pm -
Nonstop2h 15m
Deal found 9/21![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:33 am -
1 stop5h 45m
Sun 11/86:29 pm -
1 stop6h 18m
Deal found 9/23![Delta logo]()
$272
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 pm -
1 stop4h 10m
Mon 11/26:29 pm -
1 stop4h 49m
Deal found 9/23![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:03 pm -
Nonstop1h 49m
Sun 11/85:12 pm -
1 stop5h 43m
Deal found 9/20![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:00 am -
1 stop7h 24m
Wed 12/94:04 pm -
1 stop6h 11m
Deal found 9/21![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop7h 14m
Mon 10/265:00 am -
1 stop5h 36m
Deal found 9/19![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm -
1 stop4h 10m
Tue 10/276:29 pm -
1 stop6h 18m
Deal found 9/21![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 pm -
1 stop4h 10m
Sat 10/246:29 pm -
1 stop4h 49m
Deal found 9/19![Delta logo]()
$302
Best flights from Portland to BillingsDiscover carefully curated flight deals from Portland to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Portland to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 pm -
1 stop4h 10m
Sat 10/315:20 am -
1 stop4h 30m
Deal found 9/22![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:25 pm -
1 stop5h 05m
Sun 11/15:55 pm -
1 stop6h 14m
Deal found 9/21![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:03 pm -
Nonstop1h 49m
Sat 11/75:12 pm -
1 stop5h 43m
Deal found 9/21![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 pm -
1 stop4h 10m
Sun 11/16:29 pm -
1 stop4h 49m
Deal found 9/22![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm -
1 stop4h 10m
Tue 10/276:29 pm -
1 stop6h 18m
Deal found 9/21![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:25 pm -
1 stop5h 05m
Sat 10/315:00 am -
1 stop5h 36m
Deal found 9/22![United Airlines logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:03 pm -
Nonstop1h 49m
Wed 12/912:04 pm -
1 stop10h 48m
Deal found 9/21![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:35 am -
1 stop5h 43m
Sat 10/246:29 pm -
1 stop4h 49m
Deal found 9/18![Delta logo]()
$357
Last-minute flights from Portland to BillingsDiscover last-minute flight deals from Portland to Billings. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Billings. Data last updated September 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm -
1 stop4h 10m
Tue 10/276:29 pm -
1 stop6h 18m
Deal found 9/21![Delta logo]()
$297
This Trip.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 pm -
1 stop5h 05m
Thu 10/293:44 pm -
Nonstop2h 06m
Deal found 9/22![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 pm -
1 stop4h 10m
Sat 10/315:20 am -
1 stop4h 30m
Deal found 9/22![Delta logo]()
$272
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 pm -
1 stop4h 10m
Sat 10/246:29 pm -
1 stop4h 49m
Deal found 9/19![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 pm -
1 stop4h 10m
Sun 10/255:20 am -
1 stop4h 30m
Deal found 9/19![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:07 pm -
1 stop5h 46m
Sat 10/312:42 pm -
1 stop7h 31m
Deal found 9/22![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop7h 14m
Mon 10/265:00 am -
1 stop5h 36m
Deal found 9/19![United Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:25 pm -
1 stop5h 05m
Sat 10/315:00 am -
1 stop5h 36m
Deal found 9/22![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 pm -
1 stop4h 10m
Mon 11/26:29 pm -
1 stop4h 49m
Deal found 9/23![Delta logo]()
$277
One-way flights from Portland to BillingsSearch for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Priceline deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:08 am -
1 stop4h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:25 pm -
3 stops47h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$239
This Priceline deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:14 pm -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Alaska Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:40 am -
1 stop7h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$261
This Priceline deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:48 am -
2 stops12h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:38 pm -
2 stops31h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:59 pm -
2 stops26h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$336
Find flight deals from Portland to Billings
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Priceline) |
One-way from | $139 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $340 |
Good round-trip deal | $427 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Billings that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Portland to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sun 11/15
6:08 am-11:15 am
1 stop4h 07m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Tue 10/20
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$239
Quickest round-trip
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 10/3
12:14 pm-3:04 pm
Nonstop1h 50m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$254
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 10/3
8:40 am-5:16 pm
1 stop7h 36m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$261
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 10/23
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Sat 10/31
5:20 am-8:50 am
1 stop4h 30m
$272
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 10/30
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Sun 11/1
6:29 pm-10:18 pm
1 stop4h 49m
$277
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Tue 10/20
10:48 am-11:50 pm
2 stops12h 02m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$282
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 10/30
4:25 pm-10:30 pm
1 stop5h 05m
Billings Logan Intl
Sun 11/1
5:55 pm-11:09 pm
1 stop6h 14m
$297
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Tue 10/20
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Tue 10/27
6:29 pm-11:47 pm
1 stop6h 18m
$297
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Wed 10/21
9:00 am-9:10 pm
2 stops11h 10m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$315
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Portland to Billings
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Billings in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Billings flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Billings
Have a flexible travel schedule? Discover the best time to fly to Billings from Portland with our price prediction graph.
PDX-BIL
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 Portland to Billings
Prices
Airlines
What is the cheapest month to book a flight from Portland to Billings?
Currently, January is the cheapest month in which you can book a flight from Portland to Billings (average of $197). Flying from Portland to Billings in June is currently the most expensive (average of $507). 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.
What is the cheapest time of day to fly from PDX to BIL?
Find hourly flight availability from Portland to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Billings as you normally would.
Reviews of airlines servicing Billings
Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated September 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta from Portland to Billings to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
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Complete your trip
Flights by cabin class
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Other flights from Portland
Popular flights
Alternative routes for Portland to Billings
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Billings by cabin class
Find flights from Portland to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Billings flights
Browse other Portland and Billings flight options. Last updated on September 23, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Portland to Billings
Discover the top 2 airlines that operate flights from Portland to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$347 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$208 | Average$366 | FlexibilityNo cancel fee | On-timeN/A |