$167+ Cheap flights from Portland to Helena (PDX - HLN)
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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HLN
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Helena 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
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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 Helena
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Best
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Cheapest flights from Portland to HelenaExplore the most affordable flight options available from Portland to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from Portland to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 10/3110:51 am
PDX
- HLN
1 stop4h 20m
Alaska Airlines
Wed 11/44:41 pm
HLN
- PDX
1 stop6h 14m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 8/188:19 am
PDX
- HLN
1 stop7h 13m
Alaska Airlines
Fri 8/215:32 pm
HLN
- PDX
1 stop5h 29m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$384
This Orbitz deal was found by Cheapflights users on 6/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:09 am
PDX
- HLN
1 stop8h 32m
Alaska Airlines
Mon 9/145:18 pm
HLN
- PDX
1 stop5h 43m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 8/267:03 am
PDX
- HLN
2 stops8h 31m
Alaska Airlines
Sat 8/295:11 pm
HLN
- PDX
1 stop3h 39m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 6/3. 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 7/145:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/1712:55 pm
HLN
- PDX
1 stop4h 14m
Delta
Deal found 6/3![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 6/3. 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 7/15:45 am
PDX
- HLN
1 stop5h 35m
Delta
Tue 7/75:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/3![Delta logo]()
$450
This Expedia deal was found by Cheapflights users on 6/3. 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 8/19:19 am
PDX
- HLN
1 stop6h 13m
Alaska Airlines
Sat 8/85:09 pm
HLN
- PDX
1 stop6h 16m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 6/3. 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 8/45:45 am
PDX
- HLN
1 stop5h 30m
Delta
Sat 8/812:55 pm
HLN
- PDX
1 stop4h 08m
Delta
Deal found 6/3![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 6/2. 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 7/215:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/2412:55 pm
HLN
- PDX
2 stops8h 07m
Delta
Deal found 6/2![Delta logo]()
$472
Best flights from Portland to HelenaDiscover carefully curated flight deals from Portland to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Portland to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 8/265:45 am
PDX
- HLN
1 stop5h 30m
Delta
Sat 8/296:50 am
HLN
- PDX
1 stop6h 20m
Delta
Deal found 6/3![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 10/319:28 am
PDX
- HLN
1 stop5h 43m
Alaska Airlines
Wed 11/44:41 pm
HLN
- PDX
1 stop6h 14m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 8/185:36 pm
PDX
- HLN
2 stops21h 58m
Alaska Airlines
Fri 8/215:32 pm
HLN
- PDX
1 stop5h 29m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/3. 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 8/55:45 am
PDX
- HLN
1 stop5h 30m
Delta
Sun 8/95:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/3![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 6/2. 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 7/215:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/2412:55 pm
HLN
- PDX
2 stops8h 07m
Delta
Deal found 6/2![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 6/6. 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 7/145:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/175:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/6![Delta logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 7/218:19 am
PDX
- HLN
1 stop7h 13m
Alaska Airlines
Fri 7/245:09 pm
HLN
- PDX
1 stop6h 16m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$561
Last-minute flights from Portland to HelenaDiscover last-minute flight deals from Portland to Helena. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Helena. Data last updated June 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/3. 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 7/15:45 am
PDX
- HLN
1 stop5h 35m
Delta
Tue 7/75:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/3![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 6/5. 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 7/15:45 am
PDX
- HLN
1 stop5h 35m
Delta
Thu 7/25:35 am
HLN
- PDX
1 stop4h 04m
Delta
Deal found 6/5![Delta logo]()
$495
This Delta deal was found by Cheapflights users on 6/6. 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 7/65:24 pm
PDX
- HLN
1 stop4h 12m
Delta
Mon 7/135:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/6![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 6/5. 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 7/105:45 am
PDX
- HLN
1 stop5h 30m
Delta
Sun 7/125:40 am
HLN
- PDX
2 stops7h 01m
Delta
Deal found 6/5![Delta logo]()
$502
This Delta deal was found by Cheapflights users on 6/3. 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 7/145:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/1712:55 pm
HLN
- PDX
1 stop4h 14m
Delta
Deal found 6/3![Delta logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 7/159:30 pm
PDX
- HLN
1 stop18h 02m
Alaska Airlines
Sun 7/195:09 pm
HLN
- PDX
1 stop15h 28m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$568
This Expedia deal was found by Cheapflights users on 6/6. 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.
Fri 7/175:00 am
PDX
- HLN
1 stop10h 32m
Alaska Airlines
Mon 7/205:09 pm
HLN
- PDX
1 stop6h 21m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 6/2. 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 7/215:14 pm
PDX
- HLN
1 stop4h 25m
Delta
Fri 7/2412:55 pm
HLN
- PDX
2 stops8h 07m
Delta
Deal found 6/2![Delta logo]()
$472
One-way flights from Portland to HelenaSearch for one-way flight options from Portland to Helena. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Portland to Helena. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Priceline deal was found by Cheapflights users on 6/5. 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 8/229:30 am
PDX
- HLN
1 stop6h 25m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 9/2311:53 am
PDX
- HLN
2 stops27h 48m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 6/5. 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 6/255:24 pm
PDX
- HLN
1 stop4h 07m
Delta
Deal found 6/5![Delta logo]()
$339
This Priceline deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:19 am
PDX
- HLN
1 stop6h 13m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 6/5. 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 6/195:45 am
PDX
- HLN
1 stop5h 35m
Delta
Deal found 6/5![Delta logo]()
$495
This Booking.com deal was found by Cheapflights users on 6/5. 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 6/252:31 pm
PDX
- HLN
2 stops25h 01m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$502
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 6/199:50 pm
PDX
- HLN
2 stops17h 42m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/229:46 pm
PDX
- HLN
3 stops41h 48m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/259:48 pm
PDX
- HLN
3 stops41h 44m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$975
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 6/165:45 am
PDX
- HLN
3 stops33h 47m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,195
Find flight deals from Portland to Helena
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Helena (HLN). 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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Alaska Airlines) |
One-way from | $167 (Priceline) |
Popular in | January |
Cheapest in | July |
Average price | $376 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Helena 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 7, 2026.
Use the filters below to find and compare flights from Portland to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHelena
PDX - HLN
PDXHLN
Portland
Wed 8/26
5:45 am-12:15 pm
1 stop5h 30m
Helena
Sat 8/29
6:50 am-12:10 pm
1 stop6h 20m
$333
PortlandHelena
PDX - HLN
PDXHLN
Portland
Sat 10/31
9:28 am-4:11 pm
1 stop5h 43m
Helena
Wed 11/4
4:41 pm-9:55 pm
1 stop6h 14m
$333
PortlandHelena
PDX - HLN
PDXHLN
Portland
Tue 8/18
5:36 pm-4:34 pm
2 stops21h 58m
Helena
Fri 8/21
5:32 pm-10:01 pm
1 stop5h 29m
$428
PortlandHelena
PDX - HLN
PDXHLN
Portland
Wed 8/5
5:45 am-12:15 pm
1 stop5h 30m
Helena
Sun 8/9
5:40 am-8:37 am
1 stop3h 57m
$435
PortlandHelena
PDX - HLN
PDXHLN
Portland
Tue 7/21
5:14 pm-10:39 pm
1 stop4h 25m
Helena
Fri 7/24
12:55 pm-8:02 pm
2 stops8h 07m
$472
Quickest round-trip
PortlandHelena
PDX - HLN
PDXHLN
Portland
Tue 7/14
5:14 pm-10:39 pm
1 stop4h 25m
Helena
Fri 7/17
5:40 am-8:37 am
1 stop3h 57m
$477
PortlandHelena
PDX - HLN
PDXHLN
Portland
Tue 7/21
8:19 am-4:32 pm
1 stop7h 13m
Helena
Fri 7/24
5:09 pm-10:25 pm
1 stop6h 16m
$561
Cheapest one-way
PortlandHelena
PDX - HLN
PDXHLN
Portland
Sat 8/22
9:30 am-4:55 pm
1 stop6h 25m
$167
PortlandHelena
PDX - HLN
PDXHLN
Portland
Wed 9/23
5:50 am-12:17 pm
1 stop5h 27m
$167
PortlandHelena
PDX - HLN
PDXHLN
Portland
Wed 9/23
11:53 am-4:41 pm
2 stops27h 48m
$244
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Portland to Helena
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 Helena 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-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Helena flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Helena 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-Helena 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 Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Portland with our price prediction graph.
PDX-HLN
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 Helena
What is the cheapest month to book a flight from Portland to Helena?
Currently, July is the cheapest month in which you can book a flight from Portland to Helena (average of $313). Flying from Portland to Helena in January is currently the most expensive (average of $810). 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.
How much does it cost to fly round-trip from Portland to Helena?
Reviews of airlines servicing Helena
Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated June 7, 2026.
Read through reviews of airlines operating flights from Portland to Helena, such as Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Portland to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Portland to Helena
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Helena by cabin class
Find flights from Portland to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Portland and Helena flights
Browse other Portland and Helena flight options. Last updated on June 7, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Portland to Helena
Discover the top 2 airlines that operate flights from Portland to Helena. 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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$341 | Average$452 | FlexibilityNo cancel fee | On-time75% |