Route guide · 198 miles
Cheap Flights from Lewiston to Boise
LWS → BOI · Nonstop 0h 54m · Live round-trip fares
Looking for cheap flights from Lewiston to Boise? You're in the right place. Airfare Deal tracks live fares on this 198-mile route around the clock. As a rule of thumb, booking 2–4 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
Live fares for LWS → BOI are updating. Use the search below for real-time prices.
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Flight time
0h 54m
Nonstop, typical
Distance
198 mi
LWS → BOI
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Alaska Airlines
Nonstop flights from Lewiston to Boise
Nonstop flights from Lewiston to Boise 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: Lewiston → Boise
- 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.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
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Flying from Lewiston to Boise: what you need to know
The flight
At 198 miles, LWS to BOI 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 Lewiston (LWS)
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 Lewiston 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 Lewiston 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
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- 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 0h 54m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
Lewiston to Boise flight FAQs
How long is the flight from LWS to BOI?
Plan on about 0h 54m in the air for a nonstop from Lewiston to Boise — the route runs roughly 198 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Lewiston to Boise?
Alaska Airlines typically operate nonstop flights from LWS to BOI. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Lewiston 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 LWS to BOI?
Last-minute flights from LWS to BOI (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Lewiston 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 Lewiston to Boise?
You'll mainly see Alaska Airlines on Lewiston to Boise. 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 Lewiston 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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