$181+ Cheap flights from Portland to Billings (PDX - BIL)
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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIL
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Billings with Cheapflights
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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
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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 June 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 June 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sat 10/243:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$237
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Tue 9/83:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/23. 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.
Wed 8/195:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/23![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 6/22. 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 9/115:40 am
PDX
- BIL
1 stop5h 37m
Delta
Mon 9/146:33 pm
BIL
- PDX
1 stop6h 07m
Delta
Deal found 6/22![Delta logo]()
$267
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Mon 9/213:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$282
This Priceline deal was found by Cheapflights users on 6/18. 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.
Thu 9/1012:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Tue 9/153:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$287
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 June 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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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 8/195:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/21![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/1912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 6/22. 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.
Thu 8/205:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/22![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 6/23. 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 7/175:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/23![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/612:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Mon 8/103:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:45 am
PDX
- BIL
1 stop4h 24m
Delta
Sun 7/265:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/20![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/23. 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 7/219:45 am
PDX
- BIL
1 stop7h 07m
Delta
Sat 7/256:34 pm
BIL
- PDX
1 stop5h 04m
Delta
Deal found 6/23![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 9/115:30 am
PDX
- BIL
2 stops11h 23m
Delta
Mon 9/146:33 pm
BIL
- PDX
2 stops6h 21m
Delta
Deal found 6/18![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/22. 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.
Wed 7/85:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sun 7/125:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/22![Delta logo]()
$428
Last-minute flights from Portland to BillingsDiscover last-minute flight deals from Portland to Billings. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Billings. Data last updated June 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:24 pm
PDX
- BIL
1 stop4h 27m
Delta
Wed 7/85:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/20![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/23. 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 7/175:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/23![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 7/225:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sun 8/25:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/18![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/18. 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.
Wed 7/225:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sat 8/16:34 pm
BIL
- PDX
1 stop5h 04m
Delta
Deal found 6/18![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/236:49 pm
PDX
- BIL
1 stop13h 25m
Multiple Airlines
Sat 8/13:40 pm
BIL
- PDX
1 stop27h 08m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Wed 7/297:22 pm
BIL
- PDX
1 stop5h 08m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Fri 7/317:22 pm
BIL
- PDX
1 stop6h 00m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/245:16 pm
PDX
- BIL
2 stops20h 34m
Allegiant Air
Sat 8/13:40 pm
BIL
- PDX
1 stop27h 08m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Tue 8/43:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Wed 7/297:22 pm
BIL
- PDX
1 stop5h 08m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Tue 8/47:22 pm
BIL
- PDX
1 stop5h 37m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:54 am
PDX
- BIL
1 stop10h 19m
American Airlines
Fri 7/311:29 pm
BIL
- PDX
1 stop10h 22m
American Airlines
Deal found 6/18![American Airlines logo]()
$381
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 June 23, 2026.
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/66:49 pm
PDX
- BIL
1 stop13h 21m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$181
This Priceline deal was found by Cheapflights users on 6/18. 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.
Sun 8/212:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/236:49 pm
PDX
- BIL
1 stop13h 25m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/224:15 pm
PDX
- BIL
1 stop5h 39m
United Airlines
Deal found 6/22![United Airlines logo]()
$194
This Priceline deal was found by Cheapflights users on 6/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:19 am
PDX
- BIL
1 stop3h 46m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:15 pm
PDX
- BIL
1 stop5h 39m
United Airlines
Deal found 6/20![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 6/19. 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 7/35:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Deal found 6/19![Delta logo]()
$219
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Mon 7/204:15 pm
PDX
- BIL
1 stop5h 39m
United Airlines
Deal found 6/19![United Airlines logo]()
$235
This Booking.com deal was found by Cheapflights users on 6/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:21 pm
PDX
- BIL
2 stops38h 53m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$240
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Priceline) |
One-way from | $181 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $507 |
Good round-trip deal | $342 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 2,558,603 searches. Data last updated June 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 - BIL
PDXBIL
Portland
Wed 8/19
5:08 pm-10:25 pm
1 stop4h 17m
Billings Logan Intl
Sun 8/23
5:20 am-8:37 am
1 stop4h 17m
$252
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 8/20
5:08 pm-10:25 pm
1 stop4h 17m
Billings Logan Intl
Sun 8/23
5:20 am-8:37 am
1 stop4h 17m
$303
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 8/19
12:08 pm-3:02 pm
Nonstop1h 54m
Billings Logan Intl
Sun 8/23
6:21 pm-7:23 pm
Nonstop2h 02m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 7/17
5:14 pm-10:50 pm
1 stop4h 36m
Billings Logan Intl
Sun 7/19
5:20 am-8:37 am
1 stop4h 17m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sun 7/19
5:45 am-11:09 am
1 stop4h 24m
Billings Logan Intl
Sun 7/26
5:20 am-8:37 am
1 stop4h 17m
$353
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 7/21
9:45 am-5:52 pm
1 stop7h 07m
Billings Logan Intl
Sat 7/25
6:34 pm-10:38 pm
1 stop5h 04m
$379
Quickest round-trip
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 8/6
12:13 pm-3:03 pm
Nonstop1h 50m
Billings Logan Intl
Mon 8/10
3:43 pm-4:46 pm
Nonstop2h 03m
$418
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
5:30 am-5:53 pm
2 stops11h 23m
Billings Logan Intl
Mon 9/14
6:33 pm-11:54 pm
2 stops6h 21m
$424
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 7/8
5:14 pm-10:50 pm
1 stop4h 36m
Billings Logan Intl
Sun 7/12
5:20 am-8:37 am
1 stop4h 17m
$428
Cheapest one-way
Quickest one-way
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sun 8/2
12:13 pm-3:03 pm
Nonstop1h 50m
$184
Showing 1-10 of 18 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 June.
| 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 June 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 June 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.
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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Top 2 airlines flying from Portland to Billings
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$322 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$330 | FlexibilityNo cancel fee | On-time75% |