$194+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIL
Jun 26 — Jul 31
Round-trip
1 adult, Economy
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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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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 27, 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 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 11/412:03 pm
PDX
- BIL
Nonstop1h 49m
Alaska Airlines
Sat 11/73:32 pm
BIL
- PDX
Nonstop2h 12m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 5/27![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 5/26. 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 10/66:00 am
PDX
- BIL
1 stop4h 04m
Delta
Sun 10/115:45 am
BIL
- PDX
1 stop4h 31m
Delta
Deal found 5/26![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/26. 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 9/1110:15 am
PDX
- BIL
1 stop6h 33m
Delta
Mon 9/1412:57 pm
BIL
- PDX
1 stop4h 08m
Delta
Deal found 5/26![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 10/612:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sun 10/113:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$287
This CheapOair deal was found by Cheapflights users on 5/25. 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.
Tue 7/712:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Mon 7/133:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 9/1111:48 am
PDX
- BIL
1 stop22h 50m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 5/26. 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
Fri 8/215:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/26![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 5/27. 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 7/175:45 am
PDX
- BIL
1 stop4h 24m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/27![Delta logo]()
$327
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 27, 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 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:03 pm
PDX
- BIL
Nonstop1h 49m
Alaska Airlines
Sat 11/73:32 pm
BIL
- PDX
Nonstop2h 12m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 5/26. 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 8/295:45 am
PDX
- BIL
1 stop4h 22m
Delta
Mon 8/315:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/26![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/23. 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 9/116:00 am
PDX
- BIL
1 stop4h 00m
Delta
Mon 9/145:20 am
BIL
- PDX
1 stop4h 21m
Delta
Deal found 5/23![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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 8/196:17 am
PDX
- BIL
1 stop4h 14m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 5/23. 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 8/185:45 am
PDX
- BIL
1 stop4h 22m
Delta
Sat 8/225:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/23![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 5/26. 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
Fri 8/215:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/26![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 5/26. 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 7/912:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sun 7/123:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 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 9/147:29 pm
BIL
- PDX
2 stops14h 38m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 5/25. 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 5/25![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Fri 7/247:22 pm
BIL
- PDX
1 stop13h 15m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 5/24. 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 6/95:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Sat 6/135:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/24![Delta logo]()
$428
Last-minute flights from Portland to BillingsDiscover last-minute flight deals from Portland to Billings. Data last updated May 27, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Billings. Data last updated May 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/23. 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 6/35:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Wed 6/105:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/23![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 5/25. 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 6/95:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Mon 6/155:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/25![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 5/24. 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 6/95:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Sat 6/135:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/24![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 6/912:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Mon 6/153:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$447
This Expedia deal was found by Cheapflights users on 5/24. 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.
Thu 6/1112:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sat 6/133:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 5/24. 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 6/115:45 am
PDX
- BIL
1 stop4h 14m
Delta
Thu 6/185:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/24![Delta logo]()
$463
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1612:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Tue 6/237:22 pm
BIL
- PDX
1 stop4h 03m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 5/22. 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.
Tue 6/169:45 am
PDX
- BIL
1 stop7h 15m
Delta
Tue 6/235:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/22![Delta logo]()
$413
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Fri 6/263:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 5/24. 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 6/265:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Mon 6/295:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/24![Delta logo]()
$443
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 27, 2026.
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
This Delta deal was found by Cheapflights users on 5/25. 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 5/25![Delta logo]()
$194
This CheapOair deal was found by Cheapflights users on 5/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 5/22. 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.
Sat 6/65:01 pm
PDX
- BIL
1 stop4h 51m
Delta
Deal found 5/22![Delta logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/36:19 pm
PDX
- BIL
2 stops19h 31m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:08 pm
PDX
- BIL
2 stops17h 35m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$244
This Delta deal was found by Cheapflights users on 5/23. 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 6/265:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Deal found 5/23![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 5/25. 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
Deal found 5/25![Delta logo]()
$335
This Expedia deal was found by Cheapflights users on 5/24. 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.
Sun 6/215:30 pm
PDX
- BIL
1 stop5h 21m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$369
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Alaska Airlines) |
One-way from | $194 (Delta) |
Popular in | November |
Cheapest in | February |
Average price | $393 |
Good round-trip deal | $317 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 27, 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 11/4
12:03 pm-2:52 pm
Nonstop1h 49m
Billings Logan Intl
Sat 11/7
3:32 pm-4:44 pm
Nonstop2h 12m
$227
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sat 8/29
5:45 am-11:07 am
1 stop4h 22m
Billings Logan Intl
Mon 8/31
5:20 am-8:37 am
1 stop4h 17m
$257
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
6:00 am-11:00 am
1 stop4h 00m
Billings Logan Intl
Mon 9/14
5:20 am-8:41 am
1 stop4h 21m
$267
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 8/18
5:45 am-11:07 am
1 stop4h 22m
Billings Logan Intl
Sat 8/22
5:20 am-8:37 am
1 stop4h 17m
$287
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 8/19
6:17 am-11:31 am
1 stop4h 14m
Billings Logan Intl
Sun 8/23
6:21 pm-7:23 pm
Nonstop2h 02m
$310
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 8/20
5:08 pm-10:25 pm
1 stop4h 17m
Billings Logan Intl
Fri 8/21
5:20 am-8:37 am
1 stop4h 17m
$323
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
$353
Quickest round-trip
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 7/9
12:13 pm-3:03 pm
Nonstop1h 50m
Billings Logan Intl
Sun 7/12
3:43 pm-4:46 pm
Nonstop2h 03m
$357
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
5:41 pm-11:29 pm
1 stop4h 48m
Billings Logan Intl
Mon 9/14
7:29 pm-9:07 am
2 stops14h 38m
$370
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 6/9
5:24 pm-10:49 pm
1 stop4h 25m
Billings Logan Intl
Sat 6/13
5:20 am-8:35 am
1 stop4h 15m
$428
Showing 1-10 of 15 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
Prices
Airlines
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 27, 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 27, 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.
Food
7.1
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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.
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Top 3 airlines flying from Portland to Billings
Discover the top 3 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 2,558,603 searches. Data last updated May 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$448 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$187 | Average$327 | FlexibilityNo cancel fee | On-time75% |