Cheap Flights from Seattle to Boise
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Boise
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Seattle to Boise
Explore current cheapest deals departing from Seattle to Boise
Round trip
Sort by: Cheapest
September 22 - September 29
SEA - Boise
$122
$178
Round trip
October 10 - October 13
SEA - Boise
$147
$178
Round trip
September 2 - September 5
SEA - Boise
$114
$179
Round trip
August 19 - August 23
SEA - Boise
$118
$188
Round trip
September 12 - September 14
SEA - Boise
$118
$188
Round trip
October 10 - October 17
SEA - Boise
$143
$197
Round trip
November 3 - November 10
SEA - Boise
$127
$197
Round trip
October 24 - October 31
SEA - Boise
$146
$197
Round trip
November 4 - November 11
SEA - Boise
$128
$197
Round trip
September 26 - October 3
SEA - Boise
$123
$197
Round trip
Unlock all 500+ flight deals to Boise and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Seattle to Boise
How much is a round trip from Seattle to Boise
Regular price: $93 - $216
Prices for flights from Seattle to Boise are currently within the regular range.
Regularly, flights from Seattle to Boise range from $93 to $216. The current lowest deal is $178 with Alaska Airlines, Inc., for travel from Sep 22-Sep 29.
now $178
Low $93
High $216
The cheapest time to fly from Seattle to Boise
The cheapest month to fly from Seattle to Boise is June, with a median price of $169. The most expensive month is December, with a median price of $347. Prices are generally lower from February to November.
June
Flights from $169
December
Flights from $347
Direct flights from Seattle to Boise
Alaska Airlines, Inc.
Last-minute flights going from Seattle to Boise
Tue, Jun 23
SEA - Boise
Seattle (SEA) - Boise (BOI)
Alaska Airlines, Inc.
$185
$318
One-way
Wed, Jul 1
SEA - Boise
Seattle (SEA) - Boise (BOI)
Frontier Airlines
$243
$251
One-way
Wed, Jul 1
SEA - Boise
Seattle (SEA) - Boise (BOI)
Frontier Airlines
$226
$271
One-way
Wed, Jul 1
SEA - Boise
Seattle (SEA) - Boise (BOI)
Alaska Airlines, Inc.
$115
$281
One-way
Thu, Jul 2
SEA - Boise
Seattle (SEA) - Boise (BOI)
Alaska Airlines, Inc.
$138
$278
One-way
Thu, Jul 2
SEA - Boise
Seattle (SEA) - Boise (BOI)
Deutsche Luft Hansa
$138
$337
One-way
Biggest price drops on these dates for flights from Seattle to Boise
Oct 10 - Oct 20
$235 → $237
1%
Jul 1 - Jul 5
$243 → $251
3%
Jul 8 - Jul 15
$218 → $257
18%
Jul 18 - Jul 21
$220 → $259
18%
Popular Airports to fly from Seattle to Boise
Seattle - Boise route insights
💸 Price insights
Recent fares are near the typical level.
Recent fares for Seattle to Boise are near the typical level, with a median price of $197.
📅 Best time to fly
June is historically the cheapest month to fly.
Historically, June is the cheapest month to fly from Seattle to Boise, with a median price of $169.
⏱️ Flight duration
Direct flights take 3h 0m on average.
The typical direct flight from Seattle to Boise takes 3h 0m, covering 641 km.
✈️ Airlines & availability
Multiple deals are available daily.
This route typically sees frequent deals, with an average of 1.03 deals per day.
🏆 Airline highlight
Alaska Airlines, Inc. offers direct flights.
Alaska Airlines, Inc. is one of the airlines offering direct flights on the Seattle to Boise route.
🎯 Booking tip
78.1% of deals are for direct flights.
Direct flights are common, making up 78.1% of all deals for this route.
Seattle main airports to depart from
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a good option for flights from Seattle to Boise.
📍 ~18 km from Seattle (reachable by car or train)
💸 Flights from ~$178
Boeing Field (BFI)
Boeing Field offers another departure point for flights from Seattle to Boise.
📍 ~8 km from Seattle (reachable by car)
💸 Flights from ~$696
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base is an alternative departure airport for your trip to Boise.
📍 ~3 km from Seattle (reachable by car)
💸 Flights from ~$1265
Boise main airports to arrive at
Boise (BOI)
Boise Airport is a primary arrival option, offering direct access to Boise and surrounding areas.
📍 ~6 km from city center (reachable by car)
💸 Flights from ~$178
Airports nearby Boise used as alternative
Salt Lake City International (SLC)
Salt Lake City International is a major international hub with extensive direct flight options for long-haul or international travel.
📍 ~535 km from Boise (reachable by car)
💸 Flights from ~$158
Spokane International (GEG)
Spokane International is a large regional airport with competitive pricing and good alternatives for flights to the Pacific Northwest or Midwest.
📍 ~465 km from Boise (reachable by car)
💸 Flights from ~$198
Tri-Cities (PSC)
Tri-Cities offers several daily connections to major West Coast hubs and is a reasonable driving distance from Boise.
📍 ~200 km from Boise (reachable by car)
💸 Flights from ~$227
Idaho Falls Regional (IDA)
Idaho Falls Regional is a significant regional airport within Idaho, convenient for domestic connections within the Intermountain West.
📍 ~330 km from Boise (reachable by car)
💸 Flights from ~$256
Bozeman Yellowstone International (BZN)
Bozeman Yellowstone International has high popularity with a wide range of seasonal and year-round flights and robust regional service.
📍 ~450 km from Boise (reachable by car)
💸 Flights from ~$188
Business & First Class Flight Deals to Boise
Discover luxury on the budget with premium cabin class on flights from Seattle to Boise.
Elite
Best Elite deals to Boise
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SEA
Elite
Nov 14
Boise, United States
87% AI deal score
$1,442
$307
Save $1,135
From SEA
Elite
Nov 11
Boise, United States
87% AI deal score
$1,442
$307
Save $1,135
From SEA
Elite
Nov 10
Boise, United States
87% AI deal score
$1,448
$307
Save $1,141
From SEA
Elite
Nov 03
Boise, United States
87% AI deal score
$1,449
$307
Save $1,142
From SEA
Elite
Nov 04
Boise, United States
87% AI deal score
$1,443
$307
Save $1,136
From SEA
Elite
Nov 07
Boise, United States
87% AI deal score
$1,443
$307
Save $1,136
From SEA
Elite
Oct 10
Boise, United States
87% AI deal score
$1,429
$307
Save $1,122
From SEA
Elite
Oct 17
Boise, United States
87% AI deal score
$1,440
$307
Save $1,133
From SEA
Elite
Nov 03
Boise, United States
86% AI deal score
$1,377
$307
Save $1,070
From SEA
Elite
Nov 10
Boise, United States
86% AI deal score
$1,377
$307
Save $1,070
From SEA
Elite
Nov 07
Boise, United States
86% AI deal score
$1,377
$307
Save $1,070
From SEA
Elite
Oct 20
Boise, United States
86% AI deal score
$1,374
$307
Save $1,067
From SEA
Elite
Oct 27
Boise, United States
86% AI deal score
$1,377
$307
Save $1,070
From SEA
Elite
Oct 18
Boise, United States
85% AI deal score
$1,369
$317
Save $1,052
From SEA
Elite
Oct 18
Boise, United States
85% AI deal score
$1,352
$317
Save $1,035
From SEA
Elite
Sep 06
Boise, United States
85% AI deal score
$1,430
$327
Save $1,103
From SEA
Elite
Nov 04
Boise, United States
85% AI deal score
$1,107
$307
Save $800
From SEA
Elite
Nov 03
Boise, United States
85% AI deal score
$1,107
$307
Save $800
From SEA
Elite
Nov 10
Boise, United States
85% AI deal score
$1,106
$307
Save $799
From SEA
Elite
Nov 03
Boise, United States
85% AI deal score
$1,101
$307
Save $794
From SEA
Elite
Nov 04
Boise, United States
85% AI deal score
$1,122
$307
Save $815
From SEA
Elite
Nov 04
Boise, United States
85% AI deal score
$1,055
$307
Save $748
From SEA
Elite
Nov 11
Boise, United States
85% AI deal score
$1,121
$307
Save $814
From SEA
Elite
Nov 03
Boise, United States
85% AI deal score
$1,072
$307
Save $765
From SEA
Elite
Nov 07
Boise, United States
85% AI deal score
$1,101
$307
Save $794
From SEA
Elite
Nov 04
Boise, United States
85% AI deal score
$1,101
$307
Save $794
From SEA
Elite
Nov 03
Boise, United States
85% AI deal score
$1,089
$307
Save $782
From SEA
Elite
Nov 07
Boise, United States
85% AI deal score
$1,107
$307
Save $800
From SEA
Elite
Oct 13
Boise, United States
85% AI deal score
$1,093
$307
Save $786
From SEA
Elite
Oct 06
Boise, United States
85% AI deal score
$1,068
$307
Save $761
From SEA
Elite
Oct 10
Boise, United States
85% AI deal score
$1,091
$307
Save $784
From SEA
Elite
Oct 03
Boise, United States
85% AI deal score
$1,115
$307
Save $808
From SEA
Elite
Oct 14
Boise, United States
85% AI deal score
$1,108
$307
Save $801
From SEA
Elite
Oct 03
Boise, United States
85% AI deal score
$1,096
$307
Save $789
From SEA
Elite
Oct 06
Boise, United States
85% AI deal score
$1,092
$307
Save $785
From SEA
Elite
Oct 07
Boise, United States
85% AI deal score
$1,108
$307
Save $801
From SEA
Elite
Oct 07
Boise, United States
85% AI deal score
$1,051
$307
Save $744
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,076
$307
Save $769
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,120
$307
Save $813
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,101
$307
Save $794
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,092
$307
Save $785
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,120
$307
Save $813
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,113
$307
Save $806
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,116
$307
Save $809
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,115
$307
Save $808
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,122
$307
Save $815
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,094
$307
Save $787
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,115
$307
Save $808
From SEA
Elite
Oct 27
Boise, United States
85% AI deal score
$1,089
$307
Save $782
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,099
$307
Save $792
From SEA
Elite
Oct 20
Boise, United States
85% AI deal score
$1,099
$307
Save $792
From SEA
Elite
Oct 13
Boise, United States
85% AI deal score
$1,114
$307
Save $807
From SEA
Elite
Oct 14
Boise, United States
85% AI deal score
$1,114
$307
Save $807
From SEA
Elite
Oct 21
Boise, United States
85% AI deal score
$1,122
$307
Save $815
From SEA
Elite
Oct 31
Boise, United States
85% AI deal score
$1,096
$307
Save $789
From SEA
Elite
Oct 24
Boise, United States
85% AI deal score
$1,122
$307
Save $815
From SEA
Elite
Oct 13
Boise, United States
85% AI deal score
$1,114
$307
Save $807
From SEA
Elite
Oct 28
Boise, United States
85% AI deal score
$1,101
$307
Save $794
From SEA
Elite
Oct 18
Boise, United States
84% AI deal score
$1,315
$327
Save $988
From SEA
Elite
Jul 09
Boise, United States
75% AI deal score
$1,261
$813
Save $448
From SEA
Elite
Jun 17
Boise, United States
74% AI deal score
$1,283
$933
Save $350
From SEA
Elite
Aug 22
Boise, United States
73% AI deal score
$572
$367
Save $205
From SEA
Elite
Sep 12
Boise, United States
73% AI deal score
$597
$367
Save $230
From SEA
Elite
Sep 24
Boise, United States
68% AI deal score
$551
$367
Save $184
From SEA
Elite
Oct 10
Boise, United States
68% AI deal score
$522
$368
Save $154
From SEA
Elite
Oct 27
Boise, United States
67% AI deal score
$581
$442
Save $139
From SEA
Elite
Oct 02
Boise, United States
67% AI deal score
$1,477
$1,028
Save $449
From SEA
Elite
Jun 27
Boise, United States
66% AI deal score
$1,309
$1,089
Save $220
From SEA
Elite
Nov 18
Boise, United States
47% AI deal score
$496
$467
Save $29
From SEA
Elite
Nov 07
Boise, United States
47% AI deal score
$492
$467
Save $25
From SEA
Elite
Nov 07
Boise, United States
47% AI deal score
$492
$467
Save $25
From SEA
Elite
Nov 18
Boise, United States
46% AI deal score
$481
$467
Save $14
From SEA
Elite
Nov 18
Boise, United States
46% AI deal score
$483
$467
Save $16
From SEA
Elite
Nov 18
Boise, United States
46% AI deal score
$481
$467
Save $14
From SEA
Elite
Nov 18
Boise, United States
45% AI deal score
$467
From SEA
Elite
Nov 18
Boise, United States
45% AI deal score
$467
From SEA
Elite
Nov 10
Boise, United States
45% AI deal score
$467
From SEA
Elite
Nov 04
Boise, United States
45% AI deal score
$467
From SEA
Elite
Nov 07
Boise, United States
45% AI deal score
$467
From SEA
Elite
Nov 10
Boise, United States
45% AI deal score
$467
From SEA
Elite
Oct 10
Boise, United States
45% AI deal score
$472
From SEA
Elite
Oct 20
Boise, United States
45% AI deal score
$497
From SEA
Elite
Oct 03
Boise, United States
45% AI deal score
$528
From SEA
Elite
Oct 03
Boise, United States
45% AI deal score
$583
From SEA
Elite
Oct 03
Boise, United States
43% AI deal score
$528
From SEA
Elite
Jun 24
Boise, United States
42% AI deal score
$787
From SEA
Elite
Jun 22
Boise, United States
41% AI deal score
$842