Route guide · 198 miles
Cheap Flights from Boise to Lewiston
BOI → LWS · Nonstop 0h 54m · Live round-trip fares
The run from Boise (BOI) to Lewiston (LWS) is 198 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 BOI → LWS are updating. Use the search below for real-time prices.
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Updated daily
Flight time
0h 54m
Nonstop, typical
Distance
198 mi
BOI → LWS
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Alaska Airlines
Nonstop flights from Boise to Lewiston
Nonstop flights from Boise to Lewiston are flown by Alaska Airlines. The 198-mile trip takes about 0h 54m gate to gate, and nonstops are usually cheapest when booked 2–4 weeks ahead.
Booking insights: Boise → Lewiston
- Distance: 198 miles · nonstop flight time: 0h 54m.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
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Flying from Boise to Lewiston: what you need to know
The flight
At 198 miles, BOI to LWS is one of those quick up-and-down flights: roughly 0h 54m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
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 Boise (BOI)
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 Boise airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Lewiston (LWS)
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 Lewiston airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Lewiston to Boise fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 198 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
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 0h 54m — 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.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
Boise to Lewiston flight FAQs
How long is the flight from BOI to LWS?
A nonstop from BOI to LWS clocks in at around 0h 54m for the 198-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Boise to Lewiston?
Alaska Airlines typically operate nonstop flights from BOI to LWS. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Boise to Lewiston?
Fares from Boise to Lewiston tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from BOI to LWS?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 2–4 weeks booking window is where the value sits.
What is a good round-trip deal from Boise to Lewiston?
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 Boise to Lewiston?
You'll mainly see Alaska Airlines on Boise to Lewiston. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Boise 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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