$129+ Cheap flights from Billings to Portland (BIL - PDX)
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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PDX
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Billings to Portland 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 Billings to Portland
Cheapest
Best
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Cheapest flights from Billings to PortlandExplore the most affordable flight options available from Billings to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Billings to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/173:44 pm -
Nonstop2h 06m
Wed 10/2112:14 pm -
Nonstop1h 50m
Deal found 8/13![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/263:44 pm -
Nonstop2h 06m
Sat 11/712:03 pm -
Nonstop1h 49m
Deal found 8/15![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 8/15. 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 10/275:20 am -
1 stop4h 30m
Wed 11/49:55 am -
1 stop6h 53m
Deal found 8/15![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/263:44 pm -
Nonstop2h 06m
Thu 11/55:43 pm -
1 stop4h 00m
Deal found 8/15![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/277:32 pm -
1 stop4h 30m
Fri 11/66:08 am -
1 stop4h 07m
Deal found 8/15![Alaska Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/35:00 am -
1 stop5h 36m
Sat 10/1010:43 am -
1 stop5h 33m
Deal found 8/14![United Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/267:32 pm -
1 stop4h 30m
Fri 11/65:43 pm -
1 stop4h 00m
Deal found 8/15![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:57 pm -
1 stop5h 56m
Tue 9/2912:45 pm -
1 stop7h 25m
Deal found 8/12![United Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/293:44 pm -
Nonstop2h 06m
Sat 11/712:03 pm -
Nonstop1h 49m
Deal found 8/15![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 8/16. 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 9/195:20 am -
1 stop4h 21m
Mon 9/219:46 am -
1 stop7h 07m
Deal found 8/16![Delta logo]()
$307
Best flights from Billings to PortlandDiscover carefully curated flight deals from Billings to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Billings to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 11/43:32 pm -
Nonstop2h 12m
Sat 11/712:03 pm -
Nonstop1h 49m
Deal found 8/12![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/35:00 am -
1 stop5h 36m
Sat 10/1010:43 am -
1 stop5h 33m
Deal found 8/14![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 8/15. 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 10/285:20 am -
2 stops17h 36m
Mon 11/25:33 am -
1 stop5h 45m
Deal found 8/15![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/173:44 pm -
Nonstop2h 06m
Wed 10/2112:14 pm -
Nonstop1h 50m
Deal found 8/16![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/235:57 pm -
1 stop5h 56m
Mon 11/24:25 pm -
1 stop5h 05m
Deal found 8/14![United Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/305:57 pm -
1 stop5h 56m
Sat 10/101:13 pm -
2 stops8h 38m
Deal found 8/14![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:00 am -
1 stop5h 36m
Tue 9/299:00 am -
2 stops11h 10m
Deal found 8/12![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 11/15:00 am -
1 stop5h 36m
Sat 11/71:25 pm -
2 stops8h 05m
Deal found 8/15![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/285:57 pm -
1 stop5h 56m
Sat 10/39:00 am -
2 stops11h 10m
Deal found 8/16![United Airlines logo]()
$347
Last-minute flights from Billings to PortlandDiscover last-minute flight deals from Billings to Portland. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Portland. Data last updated August 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/282:29 pm -
1 stop7h 36m
Tue 9/15:00 am -
1 stop7h 21m
Deal found 8/13![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 8/14. 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 9/85:20 am -
1 stop4h 21m
Sat 9/125:10 pm -
1 stop4h 31m
Deal found 8/14![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 8/13. 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 9/105:20 am -
1 stop4h 21m
Thu 9/175:10 pm -
1 stop4h 24m
Deal found 8/13![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/155:00 am -
1 stop5h 32m
Tue 9/229:00 am -
2 stops11h 00m
Deal found 8/13![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/16. 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 9/195:20 am -
1 stop4h 21m
Mon 9/219:46 am -
1 stop7h 07m
Deal found 8/16![Delta logo]()
$307
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:42 pm -
Nonstop2h 02m
Tue 9/2912:08 pm -
Nonstop1h 54m
Deal found 8/12![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:57 pm -
1 stop5h 56m
Tue 9/2912:45 pm -
1 stop7h 25m
Deal found 8/12![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/12. 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.
Sat 9/265:20 am -
1 stop4h 21m
Tue 9/295:10 pm -
1 stop4h 24m
Deal found 8/12![Delta logo]()
$257
This Priceline deal was found by Cheapflights users on 8/16. 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.
Mon 9/287:29 pm -
1 stop5h 26m
Sat 10/312:14 pm -
Nonstop1h 50m
Deal found 8/16![Alaska Airlines logo]()
$332
This Booking.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/303:42 pm -
Nonstop2h 02m
Sat 10/1012:14 pm -
Nonstop1h 50m
Deal found 8/14![Alaska Airlines logo]()
$247
One-way flights from Billings to PortlandSearch for one-way flight options from Billings to Portland. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Billings to Portland. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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 9/265:20 am -
1 stop4h 21m
Deal found 8/14![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 8/12. 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.
Sun 9/135:20 am -
1 stop4h 21m
Deal found 8/12![Delta logo]()
$134
This Priceline deal was found by Cheapflights users on 8/14. 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 9/263:42 pm -
Nonstop2h 02m
Deal found 8/14![Alaska Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/255:50 pm -
1 stop6h 09m
Deal found 8/15![United Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 8/14. 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 9/275:20 am -
1 stop4h 21m
Deal found 8/14![Delta logo]()
$185
This Priceline deal was found by Cheapflights users on 8/15. 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 12/253:39 pm -
Nonstop2h 19m
Deal found 8/15![Alaska Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/2510:49 am -
3 stops48h 18m
Deal found 8/14![Multiple Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/265:00 am -
2 stops8h 10m
Deal found 8/14![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/253:42 pm -
Nonstop2h 02m
Deal found 8/14![Alaska Airlines logo]()
$259
This Priceline deal was found by Cheapflights users on 8/14. 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 10/107:41 am -
2 stops10h 03m
Deal found 8/14![Alaska Airlines logo]()
$262
Find flight deals from Billings to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Portland (PDX). 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Alaska Airlines) |
One-way from | $129 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $307 |
Good round-trip deal | $292 or less |
Good one-way deal | $255 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings to Portland 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 August 17, 2026.
Use the filters below to find and compare flights from Billings to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Wed 11/4
3:32 pm-4:44 pm
Nonstop2h 12m
Portland
Sat 11/7
12:03 pm-2:52 pm
Nonstop1h 49m
$247
Quickest round-trip
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Sat 10/17
3:44 pm-4:50 pm
Nonstop2h 06m
Portland
Wed 10/21
12:14 pm-3:04 pm
Nonstop1h 50m
$247
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Sat 10/3
5:00 am-9:36 am
1 stop5h 36m
Portland
Sat 10/10
10:43 am-5:16 pm
1 stop5h 33m
$275
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Fri 10/23
5:57 pm-10:53 pm
1 stop5h 56m
Portland
Mon 11/2
4:25 pm-10:30 pm
1 stop5h 05m
$326
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Wed 10/28
5:20 am-9:56 pm
2 stops17h 36m
Portland
Mon 11/2
5:33 am-12:18 pm
1 stop5h 45m
$340
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Wed 9/30
5:57 pm-10:53 pm
1 stop5h 56m
Portland
Sat 10/10
1:13 pm-10:51 pm
2 stops8h 38m
$342
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Sat 9/26
5:00 am-9:36 am
1 stop5h 36m
Portland
Tue 9/29
9:00 am-9:10 pm
2 stops11h 10m
$342
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Sun 11/1
5:00 am-9:36 am
1 stop5h 36m
Portland
Sat 11/7
1:25 pm-10:30 pm
2 stops8h 05m
$347
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Mon 9/28
5:57 pm-10:53 pm
1 stop5h 56m
Portland
Sat 10/3
9:00 am-9:10 pm
2 stops11h 10m
$347
Cheapest one-way
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Sat 10/10
5:35 am-8:50 am
1 stop4h 15m
$129
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Billings to Portland
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 Billings to Portland in August.
| 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 Billings-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-Portland 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 Billings-Portland 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 Billings to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Billings with our price prediction graph.
BIL-PDX
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 Billings to Portland
What is the cheapest month to book a flight from Billings to Portland?
Currently, September is the cheapest month in which you can book a flight from Billings to Portland (average of $256). Flying from Billings to Portland in December is currently the most expensive (average of $458). 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 BIL to PDX?
Find hourly flight availability from Billings to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billings to Portland as you normally would.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 17, 2026.
See what other customers who have flown with Alaska Airlines and Delta from Billings to Portland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Billings to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Astoria
Gresham
Silverton
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.
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Billings and Portland flights
Browse other Billings and Portland flight options. Last updated on August 17, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Top 2 airlines flying from Billings to Portland
Discover the top 2 airlines that operate flights from Billings to Portland. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$326 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$206 | Average$396 | FlexibilityNo cancel fee | On-timeN/A |