$144+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIL
Jun 11 — Jun 181
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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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
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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 May 12, 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 6/23:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/11![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Mon 6/13:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/10. 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 6/33:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/10![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 5/12. 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 6/55:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Mon 6/85:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/12![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/8. 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 6/53:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/205:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/8![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 9/1112:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/9. 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 5/265:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Sat 5/306:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 5/9![Delta logo]()
$312
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 May 12, 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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 6/35:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/10![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 5/10. 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 7/85:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Fri 7/106:00 pm
BIL
- PDX
1 stop6h 13m
United Airlines
Deal found 5/10![United Airlines logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/67:21 pm
BIL
- PDX
1 stop13h 41m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/8. 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 6/53:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/205:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/8![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 5/9. 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 8/45:47 am
PDX
- BIL
1 stop4h 20m
Delta
Tue 8/115:10 am
BIL
- PDX
1 stop4h 27m
Delta
Deal found 5/9![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 5/11. 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 7/313:00 pm
PDX
- BIL
1 stop7h 20m
Delta
Sat 8/86:34 pm
BIL
- PDX
1 stop4h 41m
Delta
Deal found 5/11![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/285:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Mon 6/16:00 pm
BIL
- PDX
1 stop6h 00m
United Airlines
Deal found 5/8![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/275:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Thu 5/284:10 pm
BIL
- PDX
1 stop7h 50m
United Airlines
Deal found 5/9![United Airlines logo]()
$399
Last-minute flights from Portland to BillingsDiscover last-minute flight deals from Portland to Billings. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Billings. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/9. 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 5/265:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Sat 5/306:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 5/9![Delta logo]()
$312
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Mon 6/13:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/11. 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 6/23:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/11![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 5/10. 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 6/33:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/10![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 5/12. 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 6/55:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Mon 6/85:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/12![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/8. 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 6/53:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/205:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/8![Delta logo]()
$302
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 May 12, 2026.
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 6/63:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Deal found 5/11![Delta logo]()
$144
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Deal found 5/12![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/1012:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Sat 7/1112:26 pm
PDX
- BIL
2 stops27h 40m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$186
This Delta deal was found by Cheapflights users on 5/10. 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 7/145:45 am
PDX
- BIL
1 stop4h 24m
Delta
Deal found 5/10![Delta logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/105:20 pm
PDX
- BIL
2 stops22h 25m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 5/10. 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.
Mon 7/137:05 am
PDX
- BIL
2 stops9h 47m
Delta
Deal found 5/10![Delta logo]()
$199
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/255:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Deal found 5/11![United Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/128:08 pm
PDX
- BIL
2 stops17h 35m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$215
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/9. 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 5/269:50 am
PDX
- BIL
1 stop6h 49m
Delta
Deal found 5/9![Delta logo]()
$219
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Delta) |
One-way from | $144 (Delta) |
Popular in | November |
Cheapest in | February |
Average price | $390 |
Good round-trip deal | $216 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 May 12, 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 6/3
5:05 pm-10:52 pm
1 stop4h 47m
Billings Logan Intl
Sat 6/6
5:30 am-8:52 am
1 stop4h 22m
$247
Quickest round-trip
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 6/2
5:46 pm-11:33 pm
1 stop4h 47m
Billings Logan Intl
Sat 6/6
3:34 pm-4:38 pm
Nonstop2h 04m
$272
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 6/3
12:03 pm-2:54 pm
Nonstop1h 51m
Billings Logan Intl
Sat 6/6
7:21 pm-8:02 am
1 stop13h 41m
$285
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 6/5
3:30 pm-10:52 pm
2 stops6h 22m
Billings Logan Intl
Sat 6/20
5:20 am-8:35 am
1 stop4h 15m
$302
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 8/4
5:47 am-11:07 am
1 stop4h 20m
Billings Logan Intl
Tue 8/11
5:10 am-8:37 am
1 stop4h 27m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 7/31
3:00 pm-11:20 pm
1 stop7h 20m
Billings Logan Intl
Sat 8/8
6:34 pm-10:15 pm
1 stop4h 41m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 7/8
5:00 am-1:22 pm
1 stop7h 22m
Billings Logan Intl
Fri 7/10
6:00 pm-11:13 pm
1 stop6h 13m
$391
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 5/28
5:00 am-1:22 pm
1 stop7h 22m
Billings Logan Intl
Mon 6/1
6:00 pm-11:00 pm
1 stop6h 00m
$398
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 5/27
5:00 am-1:22 pm
1 stop7h 22m
Billings Logan Intl
Thu 5/28
4:10 pm-11:00 pm
1 stop7h 50m
$399
Cheapest one-way
Quickest one-way
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 7/14
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 May.
| 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
What is the cheapest month to book a flight from Portland to Billings?
Currently, February is the cheapest month in which you can book a flight from Portland to Billings (average of $187). Flying from Portland to Billings in November is currently the most expensive (average of $495). 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 May 12, 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 May 12, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines 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.
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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Top 4 airlines flying from Portland to Billings
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$358 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$319 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$398 | FlexibilityNo cancel fee | On-time69% |