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Popular airlines from Seattle to Southern Idaho
Alaska Airlines
Delta
United
Southwest Airlines
American Airlines
Hawaiian Airlines
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Today's featured flight deals from Seattle to Southern Idaho
Nonstop
Carry-on included
Lower price than typical
- Seattle (SEA) to Boise (BOI).Delta, nonstop.Departing on Fri, Aug 15 at 9:20pm from Seattle, arriving at 11:50pm in Boise.Returning on Fri, Aug 22 at 7:30am from Boise, arriving at 8:12am in Seattle.Select Delta flight departing on Fri, Aug 15 at 9:20pm from Seattle, returning on Fri, Aug 22 at 7:30am from Boise priced at $21730% less than typical$217
- Seattle (SEA) to Boise (BOI).Delta, nonstop.Departing on Wed, Aug 20 at 1:10pm from Seattle, arriving at 3:40pm in Boise.Returning on Sun, Aug 24 at 9:00am from Boise, arriving at 9:45am in Seattle.Select Delta flight departing on Wed, Aug 20 at 1:10pm from Seattle, returning on Sun, Aug 24 at 9:00am from Boise priced at $21730% less than typical$217
- Seattle (SEA) to Boise (BOI).Delta, nonstop.Departing on Fri, Aug 15 at 1:10pm from Seattle, arriving at 3:40pm in Boise.Returning on Fri, Aug 22 at 5:45am from Boise, arriving at 6:27am in Seattle.Select Delta flight departing on Fri, Aug 15 at 1:10pm from Seattle, returning on Fri, Aug 22 at 5:45am from Boise priced at $21730% less than typical$217
- Seattle (SEA) to Boise (BOI).Alaska Airlines, nonstop.Departing on Sat, Aug 30 at 8:10pm from Seattle, arriving at 10:40pm in Boise.Returning on Wed, Sep 3 at 2:28pm from Boise, arriving at 3:03pm in Seattle.Select Alaska Airlines flight departing on Sat, Aug 30 at 8:10pm from Seattle, returning on Wed, Sep 3 at 2:28pm from Boise priced at $11740% less than typical$117
- Seattle (SEA) to Boise (BOI).Delta, nonstop.Departing on Wed, Aug 20 at 10:30am from Seattle, arriving at 1:06pm in Boise.Returning on Sat, Aug 23 at 11:45am from Boise, arriving at 12:29pm in Seattle.Select Delta flight departing on Wed, Aug 20 at 10:30am from Seattle, returning on Sat, Aug 23 at 11:45am from Boise priced at $19725% less than typical$197
- Seattle (SEA) to Boise (BOI).Alaska Airlines, nonstop.Departing on Fri, Aug 29 at 12:25pm from Seattle, arriving at 3:00pm in Boise.Returning on Tue, Sep 2 at 11:22am from Boise, arriving at 11:57am in Seattle.Select Alaska Airlines flight departing on Fri, Aug 29 at 12:25pm from Seattle, returning on Tue, Sep 2 at 11:22am from Boise priced at $13730% less than typical$137
Cheap Flights from Seattle to Southern Idaho (SEA-IDA)
Prices were available within the past 7 days and start at $68 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
BOI
Boise
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Wed, Sep 3 - Sat, Sep 6
SEA
Seattle
BOI
Boise
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Tue, Nov 18 - Wed, Nov 19
SEA
Seattle
BOI
Boise
$136 Roundtrip, found 1 hour ago
$136
Roundtrip
found 1 hour ago
Wed, Sep 3 - Sat, Sep 6
SEA
Seattle
BOI
Boise
$144 Roundtrip, found 2 hours ago
$144
Roundtrip
found 2 hours ago
Fri, Oct 24 - Sat, Oct 25
SEA
Seattle
BOI
Boise
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Tue, Sep 16 - Tue, Sep 30
SEA
Seattle
IDA
Idaho Falls
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Find the cheapest month to fly from Seattle (SEA) to Boise (BOI)
January is typically the cheapest month to fly
From $76 - $197 per traveler.
Graph displaying average flight prices per month
Alternative airports
Prices were available within the past 7 days. Prices and availability are subject to change.
Select flight to Jackson Hole Airport JAC. Flights from $421
JAC
Jackson Hole Airport
Select flight to Yellowstone WYS. Cheapest option available. Flights from $372
WYS
Yellowstone
Cheapest
Select flight to Idaho Falls Regional IDA. Flights from $453
IDA
Idaho Falls Regional
Select flight to Twin Falls, ID TWF. Flights from $695
TWF
Twin Falls, ID
Select flight to Pocatello Regional PIH. Flights from $387
PIH
Pocatello Regional
Select flight to Friedman Memorial SUN. Flights from $493
SUN
Friedman Memorial
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