Photo by Louise Milner Ehlers
Popular airlines from Phoenix to Caldwell
Alaska AirlinesAlaska Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
Frontier AirlinesFrontier Airlines
Hawaiian AirlinesHawaiian Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Phoenix to Caldwell
Nonstop
Carry-on included
Lower price than typical
- Phoenix (PHX) to Boise (BOI).Southwest Airlines, nonstop.Departing on Wed, Aug 13 at 9:00am from Phoenix, arriving at 12:10pm in Boise.Returning on Sun, Aug 17 at 6:00am from Boise, arriving at 8:29am in Phoenix.Select Southwest Airlines flight departing on Wed, Aug 13 at 9:00am from Phoenix, returning on Sun, Aug 17 at 6:00am from Boise priced at $27035% less than typical$270
- Phoenix (PHX) to Boise (BOI).Alaska Airlines, nonstop.Departing on Sun, Aug 17 at 7:39pm from Phoenix, arriving at 10:46pm in Boise.Returning on Thu, Aug 21 at 6:05pm from Boise, arriving at 7:17pm in Phoenix.Select Alaska Airlines flight departing on Sun, Aug 17 at 7:39pm from Phoenix, returning on Thu, Aug 21 at 6:05pm from Boise priced at $19740% less than typical$197
- Phoenix (PHX) to Boise (BOI).Southwest Airlines, nonstop.Departing on Fri, Sep 5 at 3:15pm from Phoenix, arriving at 6:15pm in Boise.Returning on Mon, Sep 8 at 6:00pm from Boise, arriving at 10:40pm in Phoenix.Select Southwest Airlines flight departing on Fri, Sep 5 at 3:15pm from Phoenix, returning on Mon, Sep 8 at 6:00pm from Boise priced at $14750% less than typical$147
- Phoenix (PHX) to Boise (BOI).Alaska Airlines, nonstop.Departing on Thu, Aug 14 at 7:39pm from Phoenix, arriving at 10:46pm in Boise.Returning on Thu, Aug 21 at 6:05pm from Boise, arriving at 7:17pm in Phoenix.Select Alaska Airlines flight departing on Thu, Aug 14 at 7:39pm from Phoenix, returning on Thu, Aug 21 at 6:05pm from Boise priced at $19740% less than typical$197
- Phoenix (PHX) to Boise (BOI).Alaska Airlines, nonstop.Departing on Mon, Aug 11 at 7:39pm from Phoenix, arriving at 10:46pm in Boise.Returning on Fri, Aug 15 at 6:15am from Boise, arriving at 7:20am in Phoenix.Select Alaska Airlines flight departing on Mon, Aug 11 at 7:39pm from Phoenix, returning on Fri, Aug 15 at 6:15am from Boise priced at $26030% less than typical$260
- Phoenix (PHX) to Boise (BOI).Alaska Airlines, nonstop.Departing on Thu, Aug 14 at 7:39pm from Phoenix, arriving at 10:46pm in Boise.Returning on Mon, Aug 18 at 5:15pm from Boise, arriving at 6:35pm in Phoenix.Select Alaska Airlines flight departing on Thu, Aug 14 at 7:39pm from Phoenix, returning on Mon, Aug 18 at 5:15pm from Boise priced at $24230% less than typical$242
- Phoenix (PHX) to Boise (BOI).Alaska Airlines, nonstop.Departing on Fri, Aug 29 at 7:59pm from Phoenix, arriving at 11:07pm in Boise.Returning on Sun, Sep 7 at 6:05am from Boise, arriving at 7:10am in Phoenix.Select Alaska Airlines flight departing on Fri, Aug 29 at 7:59pm from Phoenix, returning on Sun, Sep 7 at 6:05am from Boise priced at $17730% less than typical$177
Cheap Flights from Phoenix to Caldwell (PHX-BOI)
Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Aug 26 - Tue, Sep 9
PHX
Phoenix
BOI
Boise
$137 Roundtrip, found 4 days ago
$137
Roundtrip
found 4 days ago
Tue, Sep 9 - Thu, Sep 11
PHX
Phoenix
BOI
Boise
$137 Roundtrip, just found
$137
Roundtrip
just found
Tue, Sep 9 - Thu, Sep 11
PHX
Phoenix
BOI
Boise
$137 Roundtrip, just found
$137
Roundtrip
just found
Tue, Sep 9 - Thu, Sep 11
PHX
Phoenix
BOI
Boise
$139 Roundtrip, just found
$139
Roundtrip
just found
Sun, Aug 24 - Mon, Aug 25
PHX
Phoenix
BOI
Boise
$157 Roundtrip, just found
$157
Roundtrip
just found
Sat, Sep 6 - Mon, Sep 8
PHX
Phoenix
BOI
Boise
$159 Roundtrip, just found
$159
Roundtrip
just found
Find the cheapest month to fly from Phoenix (PHX) to Boise (BOI)
August is typically the cheapest month to fly
From $91 - $358 per traveler.
Graph displaying average flight prices per month
Alternative airports near Caldwell
Prices were available within the past 7 days. Prices and availability are subject to change.
Explore a world of travel with Expedia
- Canyon County Hotels
- Hotels near Fairview Golf Course
- Hotels near Canyon County Fairgrounds
- Hotels near Orma J. Smith Museum of Natural History
- Hotels near Glen L. and Ruth Evans Gem and Mineral Collection
- Hotels near Whittenberger Planetarium
- Hotels near College of Idaho
- Middleton Hotels
- Vacation Homes in Middleton
- Motels in Middleton
- 5 Star Hotels in Middleton
- 3 Star Hotels in Middleton
- B&B in Middleton
- Cottages in Middleton
- Guest Houses in Middleton
- Hotels near Purple Sage Golf Course
- Hotels near Weston Winery
- Hotels near Huston Vineyards
- Huston Hotels
- Cabin Rentals in Huston
- Greenleaf Hotels
- Motels in Greenleaf
- 4 Star Hotels in Greenleaf
- Notus Hotels
- Motels in Notus
- Hotels near Deer Flat National Wildlife Refuge Visitor Center
- Nampa Hotels
- Hotels near Williamson Orchard & Vineyard
- Hotels near HAT Ranch Winery
- Hotels near TimberStone Golf Course
- Hotels near Nampa Civic Center
- Hotels near Hell's Canyon Winery
- Hotels near Koenig Distillery and Winery
- Cheap Hotels in Nampa
- Hotels near Centennial Golf Course
- Pet-friendly Hotels in Nampa
- Motels in Nampa
- Motel 6 Hotels in Nampa
- Cabin Rentals in Nampa
- Hotels with an Indoor Pool in Nampa
- Hotels with Bars in Nampa
- La Quinta Inn & Suites Hotels in Nampa
- Vacation Homes in Nampa
- Marriott Hotels & Resorts in Nampa
- Flights from Canyon County
- Flights to Middleton
- Flights from Middleton
- Flights to Huston
- Flights from Huston
- Flights to Greenleaf
- Flights to Notus
- Flights from Spokane to Nampa
- Flights from Reno to Nampa
- Flights from Minneapolis - St. Paul to Nampa
- Flights from Denver to Nampa
- Flights from Sacramento to Nampa
- Flights from Houston to Nampa
- Flights from Dallas to Nampa
- Flights from Cleveland to Nampa
- Flights from Newark to Nampa
- Flights to Nampa
- Flights from Nampa
- Our Memories Indian Creek Museum
- Fairview Golf Course
- Canyon County Fairgrounds
- Orma J. Smith Museum of Natural History
- Whittenberger Planetarium
- Glen L. and Ruth Evans Gem and Mineral Collection
- Visit Middleton
- Middleton Vacations
- Purple Sage Golf Course
- Weston Winery
- Visit Huston
- Huston Vacations
- Greenleaf Vacations
- Visit Greenleaf
- Visit Notus
- Fujishin Family Cellars
- Deer Flat National Wildlife Refuge Visitor Center
- Williamson Orchard & Vineyard
- HAT Ranch Winery
- TimberStone Golf Course
- Hell's Canyon Winery
- Koenig Distillery and Winery
- Car rentals near Canyon County Fairgrounds
- Car rentals near Middleton
- Car rentals near Purple Sage Golf Course
- Car rentals near Huston
- Car rentals near Greenleaf
- Budget Rental Cars in Greenleaf
- Avis Rental Cars in Greenleaf
- Car rentals near Notus
- Car rentals near Nampa
- Enterprise Rental Cars in Nampa
- Budget Rental Cars in Nampa
- Hertz Rental Cars in Nampa
- Van Car Rentals in Nampa
*Available to One Key members.