Route guide · 343 miles
Cheap Flights from Portland to Boise
PDX → BOI · Nonstop 1h 12m · Live round-trip fares
The run from Portland (PDX) to Boise (BOI) is 343 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 2–4 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for PDX → BOI are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 12m
Nonstop, typical
Distance
343 mi
PDX → BOI
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Alaska Airlines
Nonstop flights from Portland to Boise
Nonstop service links Portland and Boise directly — flights are flown by Alaska Airlines. Expect roughly 1h 12m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: Portland → Boise
- Distance: 343 miles · nonstop flight time: 1h 12m.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Flying from Portland to Boise: what you need to know
The flight
Portland to Boise is a short hop — 343 miles, about 1h 12m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
Alaska Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Portland (PDX)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Portland airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Boise (BOI)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Boise airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Boise to Portland fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 343 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 12m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
Portland to Boise flight FAQs
How long is the flight from PDX to BOI?
Plan on about 1h 12m in the air for a nonstop from Portland to Boise — the route runs roughly 343 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Portland to Boise?
Yes — look for Alaska Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Portland to Boise?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from PDX to BOI?
Book inside the final week and you'll usually pay a premium on PDX to BOI. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from Portland to Boise?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Portland to Boise?
The main carriers on this route are Alaska Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Portland airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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