Are there direct flights from Seattle to Boise?

Yes, direct flights from Seattle to Boise are commonly available. Historically, approximately 68.2% of flights on this route have been direct over the trailing 90 days. For those flights that do include a stopover, the median number of stopovers is typically one. This indicates that travelers have a strong likelihood of finding a non-stop option for their journey.

What's the flight time from Seattle to Boise?

The typical direct flight time from Seattle to Boise is approximately 1 hour and 30 minutes, covering a distance of 641 kilometers. For flights that include one stop, the median travel time extends to about 3 hours and 41 minutes. This means that opting for a direct flight can significantly reduce your travel duration compared to routes with connections.

How often do cheap flights from Seattle to Boise come up?

Historically, cheap flights from Seattle to Boise come up frequently. This route is classified as having frequent availability of deals based on observations over a 30-day period. Travelers can typically expect to find competitive prices for this destination with regularity. This consistent availability suggests that it is a popular route for discounted fares.

Flights From Seattle

To Boise

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 1 day ago

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seattle to Boise

Explore current cheapest deals departing from Seattle to Boise

2026-10-10 – 2026-10-17
SEA - Boise
46% AI deal score
$118
$116
Round trip
2026-10-24 – 2026-10-31
SEA - Boise
47% AI deal score
$117
$116
Round trip
2026-10-18 – 2026-10-24
SEA - Boise
47% AI deal score
$117
$116
Round trip
2026-10-16 – 2026-10-23
SEA - Boise
47% AI deal score
$118
$116
Round trip
2026-10-03 – 2026-10-04
SEA - Boise
49% AI deal score
$127
$116
Round trip
2026-10-10 – 2026-10-12
SEA - Boise
48% AI deal score
$125
$116
Round trip
2026-10-17 – 2026-10-19
SEA - Boise
47% AI deal score
$123
$116
Round trip
2026-10-09 – 2026-10-23
SEA - Boise
45% AI deal score
$104
$116
Round trip
2026-10-16 – 2026-10-18
SEA - Boise
47% AI deal score
$124
$116
Round trip
2026-10-01 – 2026-10-08
SEA - Boise
47% AI deal score
$118
$116
Round trip

Seattle to Boise: Overview

Insights for flights from Seattle to Boise

Right now, fares for flights from Seattle to Boise are significantly above the typical level. Prices typically range from $177 to $347, with a median of $247. Currently, 0% of recent fares are classified as a good price, indicating that finding cheap flights from Seattle to Boise may require some flexibility.

When considering the cheapest time to fly from Seattle to Boise, the data shows that June is typically the most affordable month, with a median fare of $169. Following closely are July, with a median of $173, and May, with a median of $177. These months offer more competitive pricing compared to the overall median.

A typical journey from Seattle to Boise takes about 1h 30m, including connections. While a meaningful share of itineraries are non-stop, the rest connect once. For those connecting, the median duration extends to 4h 29m.

The route from Seattle to Boise covers a distance of 641 kilometers, classifying it as a short-haul flight. This short distance contributes to the relatively quick travel times, especially for direct flights from Seattle to Boise.

How much is a round trip from Seattle to Boise

Regular price: $89 - $302

Prices for flights from Seattle to Boise are currently within the regular range.

The regular price range for this route is $89 to $302. The current lowest deal is $116 with Alaska Airlines, Inc. for travel from Oct 10-Oct 17.

now $116

Low $89

High $302

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 $176. The most expensive month is July, with a median price of $472. Prices are generally lower from February to November.

June

Cheapest

Flights from $176

July

Most Expensive

Flights from $472

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Boise

Alaska Airlines, Inc.

Last-minute flights going from Seattle to Boise

Wed, Sep 16

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Frontier Airlines

$391

$380

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Deutsche Luft Hansa

$119

$116

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Alaska Airlines, Inc.

$130

$116

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Frontier Airlines

$248

$257

One-way

Thu, Oct 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Deutsche Luft Hansa

$104

$340

One-way

Fri, Oct 2

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Alaska Airlines, Inc.

$129

$150

One-way

Biggest price drops on these dates for flights from Seattle to Boise

4 nights

Oct 1 - Oct 5

$129 → $117

1 night

Oct 3 - Oct 4

$127 → $116

2 nights

Oct 10 - Oct 12

$125 → $116

2 nights

Oct 16 - Oct 18

$124 → $116

Popular Airports to fly from Seattle to Boise

Seattle - Boise route insights

💸 Price insights

Recent fares are above the typical level

Recent roundtrip fares from Seattle to Boise have been above the typical level.

📅 Best time to fly

Fly in June for the best prices

Historically, June, July, and May offer the lowest median prices for this route.

⏱️ Flight duration

Direct flights take 1h 30m

The typical direct flight from Seattle to Boise takes 1 hour and 30 minutes.

✈️ Airlines & availability

68.2% of recent flights are direct

Most flights on this route are direct, with a median of 1 stopover when connecting.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is a carrier offering direct flights on the Seattle to Boise route.

🎯 Booking tip

Deals are frequent for this route

Deals on flights from Seattle to Boise are frequent, appearing often in a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary option for flights from Seattle to Boise.

📍 ~18 km from Seattle city center (reachable by car or train).

💸 Flights from ~$186

Boeing Field (BFI)

Boeing Field offers an alternative departure point for travelers flying from Seattle to Boise.

📍 ~9 km from Seattle city center (reachable by car).

💸 Flights from ~$782

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base is another option for flights from Seattle to Boise.

📍 ~3 km from Seattle city center (reachable by car).

💸 Flights from ~$1,139

Boise main airports to arrive at

Boise (BOI)

Cheapest

Boise Airport is ideal for direct access to Boise from Seattle.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$186

Airports nearby Boise used as alternative

Salt Lake City International (SLC)

Cheapest

Salt Lake City International is a major international hub with extensive flight options, despite a significant driving distance.

📍 ~550 km from Boise (reachable by car)

💸 Flights from ~$201

Business & First Class Flight Deals to Boise

34% AI deal score

$853

Frequently Asked Questions About Flights to Boise

Historically, the best prices for flights from Seattle to Boise are found when booking 28-59 days in advance. During this period, the average price is typically around $151. Booking closer to your departure date, such as 0-6 days out, usually sees prices rise significantly, with an average of $290. Even booking 7-13 days before departure results in a higher average price of $271, indicating that planning ahead can lead to considerable savings on this route.

Across the trailing quarter, a good price for a flight from Seattle to Boise is considered to be $177 or less. This threshold represents the lower end of prices observed over a 90-day period. The median price for this route historically stands at $247. Prices can go higher, with 75% of observed fares being $347 or less, highlighting that securing a fare at or below $177 is a favorable outcome.

Historically, the cheapest months to fly from Seattle to Boise include June, with a median price of $169, and July, with a median price of $173. May also typically offers competitive fares, with a median price of $177. While May is also listed as the most expensive month, this indicates price variability within the month, but overall, these months tend to be more affordable than the annual median of $247 across the trailing 270 days.

Seattle to Boise: Overview

Insights for flights from Seattle to Boise

How much is a round trip from Seattle to Boise

Regular price: $89 - $302

Prices for flights from Seattle to Boise are currently within the regular range.

The regular price range for this route is $89 to $302. The current lowest deal is $116 with Alaska Airlines, Inc. for travel from Oct 10-Oct 17.

now $116

Low $89

High $302

The cheapest time to fly from Seattle to Boise

June

Cheapest

Flights from $176

July

Most Expensive

Flights from $472

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec