Flights to Boise
13 cities in 4 countries. In each country, prices we can stand behind come first, then the cheapest.
Departure cities with a recent price: 13
Recent prices: 23
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 13 Oct.
Return
October 2026: 1 city with a price listed here, from $354
San Diego · 28 Oct – 31 Oct · found 4 days ago · See prices for these dates
November 2026: 1 city with a price listed here, from $417
Salt Lake City · 14 Nov – 21 Nov · found 4 days ago · See prices for these dates
December 2026: 3 cities with a price listed here, from $251
Denver · 11 Dec – 14 Dec · found 3 days ago · See prices for these dates
January 2027: 2 cities with a price listed here, from $528
Harrisburg · 13 Jan 2027 – 17 Jan 2027 · found 4 days ago · See prices for these dates
August 2027: 1 city with a price listed here, from C$753 (US$532)
Montreal · 5 Aug 2027 – 7 Aug 2027 · found 2 days ago · See prices for these dates
One-way
October 2026: 5 cities with a price listed here, from $76
Phoenix · 23 Oct · found 5 days ago · Open this trip
January 2027: 1 city with a price listed here, from $94
Denver · 11 Jan 2027 · found 6 days ago · Open this trip
Everywhere, by country
1 traveler · Economy
| City | From | Trip | Dates | Airports | Stops | Airline | Found | |
|---|---|---|---|---|---|---|---|---|
| United States | ||||||||
| Phoenix | $76 | one-way | 23 Oct | AZA → BOI | nonstop | Allegiant Air | found 5 days ago | Open this trip |
| Denver | $94 | one-way | 11 Jan 2027 | DEN → BOI | 1 stop | Alaska Airlines | found 6 days ago | Open this trip |
| Portland | $136 | one-way | 31 Oct | PDX → BOI | 1 stop | United Airlines | found 3 days ago | Open this trip |
| Pendleton | $229 | one-way | 24 Oct | PDT → BOI | 2 stops | Aviastar-TU | found 5 days ago | Open this trip |
| Panama City | $307 | one-way | 28 Oct | ECP → BOI | 1 stop | American Airlines | found yesterday | Open this trip |
| Casper | $384 | one-way | 27 Oct | CPR → BOI | 1 stop | United Airlines | found 2 days ago | Open this trip |
| Denver | $251 | return | 11 Dec – 14 Dec | DEN → BOI | out 1 stop, back 1 stop | Frontier Airlines | found 3 days ago | See prices for these dates |
| Roanoke | $725 | return | 27 Dec – 6 Jan 2027 | ROA → BOI | out 1 stop, back 1 stop | American Airlines | found 3 days ago | See prices for these dates |
| San Diego | $354 | return | 28 Oct – 31 Oct | SAN → BOI | out 1 stop, back 1 stop | Alaska Airlines | found 4 days ago | See prices for these dates |
| Salt Lake City | $417 | return | 14 Nov – 21 Nov | SLC → BOI | out 1 stop, back 1 stop | Alaska Airlines | found 4 days ago | See prices for these dates |
| Harrisburg | $528 | return | 13 Jan 2027 – 17 Jan 2027 | MDT → BOI | out 2 stops, back 1 stop | American Airlines | found 4 days ago | See prices for these dates |
| Denmark | ||||||||
| Copenhagen | $992 | return | 18 Dec – 31 Dec | CPH → BOI | out 2 stops, back 2 stops | British Airways | found yesterday | See prices for these dates |
| Sweden | ||||||||
| Stockholm | $1,757 | return | 4 Jan 2027 – 5 Jan 2027 | ARN → BOI | out 2 stops, back 2 stops | NORRA | found yesterday | See prices for these dates |
| Canada | ||||||||
| Montreal | C$753 (US$532) | return | 5 Aug 2027 – 7 Aug 2027 | YUL → BOI | out 1 stop, back 1 stop | United Airlines | found 2 days ago | See prices for these dates |
Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-10-16, US dollars in brackets. Fares change, so check today's price before you book. How our prices work