Cheap flights to Boise from 12 cities
12 cities in 3 countries. In each country, prices we can stand behind come first, then the cheapest.
Departure cities with a recent price: 10
Recent prices: 28
Fares Aviasales flagged as unusually low
No fares flagged as unusually low in the last two days.
When these trips depart
Every price counted here was found on or after 7 Nov.
Return
December 2026: 4 cities with a price listed here, from $390
Billings · 17 Dec – 20 Dec · found 3 days ago · See prices for these dates
April 2027: 1 city with a price listed here, from $636
Frankfurt · 10 Apr 2027 – 25 Apr 2027 · found 6 days ago · See prices for these dates
One-way
November 2026: 4 cities with a price listed here, from $197
Spokane · 26 Nov · found 4 days ago · Open this trip
December 2026: 1 city with a price listed here, from $263
Queretaro · 8 Dec · found 4 days ago · Open this trip
Everywhere, by country
1 traveler · Economy
| City | From | Trip | Dates | Airports | Stops | Airline | Found | |
|---|---|---|---|---|---|---|---|---|
| United States | ||||||||
| Spokane | $197 | one-way | 26 Nov | GEG → BOI | nonstop | Alaska Airlines | found 4 days ago | Open this trip |
| Minneapolis | $311 | one-way | 23 Nov | MSP → BOI | 1 stop | Alaska Airlines | found 5 days ago | Open this trip |
| Pendleton | $378 | one-way | 20 Nov | PDT → BOI | 2 stops | Aviastar-TU | found 3 days ago | Open this trip |
| Watertown | $452 | one-way | 17 Nov | ART → BOI | 2 stops | American Airlines | found 6 days ago | Open this trip |
| Billings | $390 | return | 17 Dec – 20 Dec | BIL → BOI | out 1 stop, back 1 stop | Alaska Airlines | found 3 days ago | See prices for these dates |
| Norfolk | $484 | return | 30 Dec – 5 Jan 2027 | ORF → BOI | out 2 stops, back 2 stops | Southwest Airlines | found 2 days ago | See prices for these dates |
| Roanoke | $633 | return | 30 Dec – 5 Jan 2027 | ROA → BOI | out 1 stop, back 1 stop | American Airlines | found 2 days ago | See prices for these dates |
| Seattle | $234 | return | 5 Mar 2027 – 8 Mar 2027 | SEA → BOI | out nonstop, back nonstop | Alaska Airlines | found 7 days ago | See prices for these dates |
| Everett | $397 | return | 5 Mar 2027 – 8 Mar 2027 | PAE → BOI | out 1 stop, back 1 stop | Alaska Airlines | found 7 days ago | See prices for these dates |
| Sacramento | $404 | return | 3 Dec – 5 Dec | SMF → BOI | out nonstop, back nonstop | Alaska Airlines | found 5 days ago | See prices for these dates |
| Mexico | ||||||||
| Queretaro | $263 | one-way | 8 Dec | QRO → BOI | 2 stops | Volaris | found 4 days ago | Open this trip |
| Germany | ||||||||
| Frankfurt | $636 | return | 10 Apr 2027 – 25 Apr 2027 | FRA → BOI | out 1 stop, back 1 stop | Condor | found 6 days ago | See prices for these dates |
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work