Are there direct flights from Seattle to Boise?

Yes, direct flights are commonly available from Seattle to Boise. Historically, approximately 68.2% of flights on this route have been direct. For flights that do include a stopover, the median number of stopovers is typically one. This indicates a strong prevalence of non-stop options for travelers.

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. Travelers can expect a relatively short journey when opting for a direct connection between these two cities.

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

Historically, cheap flights from Seattle to Boise are a frequent occurrence. This route is classified as having frequent deal availability across the trailing quarter. Travelers can often find favorable prices for this particular journey. This consistent availability suggests that opportunities for good value flights are common.

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Boise

Explore current cheapest deals departing from Seattle to Boise

2026-08-04 – 2026-08-05
SEA - Boise
73% AI deal score
$160
$108
Round trip
2026-09-05 – 2026-09-06
SEA - Boise
44% AI deal score
$110
$136
Round trip
2026-09-01 – 2026-09-05
SEA - Boise
44% AI deal score
$111
$146
Round trip
2026-09-25 – 2026-09-27
SEA - Boise
44% AI deal score
$114
$156
Round trip
2026-09-25 – 2026-09-28
SEA - Boise
44% AI deal score
$114
$156
Round trip
2026-09-19 – 2026-09-22
SEA - Boise
43% AI deal score
$111
$156
Round trip
2026-09-12 – 2026-09-19
SEA - Boise
43% AI deal score
$105
$156
Round trip
2026-09-05 – 2026-09-08
SEA - Boise
42% AI deal score
$110
$166
Round trip
2026-09-19 – 2026-09-29
SEA - Boise
42% AI deal score
$97
$166
Round trip
2026-09-02 – 2026-09-09
SEA - Boise
42% AI deal score
$106
$172
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 for this route typically range from $177 to $347, with a median of $247. Currently, no recent fares have been classified as a good price, indicating a less favorable pricing environment for travelers.

When is the cheapest time to fly from Seattle to Boise? The data indicates that June is the most affordable month, with a median fare of $169. Following closely are July, with a median fare of $173, and May, with a median fare of $177. These months offer the lowest median prices for this route.

A typical journey from Seattle to Boise takes about 1h 30m, including connections. While a meaningful share of itineraries are non-stop, the remaining flights typically involve one stopover. Non-stop flights have a median duration of 1h 30m, whereas connecting flights average 4h 29m.

The route from Seattle to Boise covers a distance of 641 kilometers, classifying it as a short-haul flight. This short distance means a quick travel time, making it a convenient option for regional travel.

How much is a round trip from Seattle to Boise

Regular price: $83 - $215

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

The regular price range for flights from Seattle to Boise is between $83 and $215. The current lowest deal is $136 with Alaska Airlines, Inc. for travel from Sep 5-Sep 6.

now $136

Low $83

High $215

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 USD. The most expensive month is July, with a median price of 472 USD. 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

Sun, Jul 26

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Alaska Airlines, Inc.

$197

$339

One-way

Sat, Aug 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Alaska Airlines, Inc.

$165

$278

One-way

Sat, Aug 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Frontier Airlines

$259

$298

One-way

Sat, Aug 1

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Deutsche Luft Hansa

$139

$801

One-way

Mon, Aug 3

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Frontier Airlines

$307

$266

One-way

Mon, Aug 3

⌛ Last-Minute

SEA - Boise

Seattle (SEA) - Boise (BOI)

Alaska Airlines, Inc.

$160

$281

One-way

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

2 nights

Aug 21 - Aug 23

$361 → $278

23%

3 nights

Aug 3 - Aug 6

$307 → $266

13%

7 nights

Aug 19 - Aug 26

$221 → $236

4 nights

Aug 12 - Aug 16

$243 → $262

Popular Airports to fly from Seattle to Boise

Seattle - Boise route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Seattle to Boise are above the typical level for the past 90 days.

📅 Best time to fly

Fly in June for the best prices

Historically, June has the lowest median price at $176, offering potential savings.

⏱️ Flight duration

Direct flights take 1h 30m

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

✈️ Airlines & availability

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. provides direct flights on this route, with 68.2% direct flight availability.

🏆 Airline highlight

Alaska Airlines, Inc. has a deal for $136

Alaska Airlines, Inc. has a deal for $136 from September 5-6, 2026.

🎯 Booking tip

Deals appear frequently on this route

Deals for flights from Seattle to Boise appear frequently, typically every 30 days.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport offers flights to Boise, providing a convenient departure point for your trip.

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

💸 Flights from ~$136

Boeing Field (BFI)

Boeing Field offers an alternative departure option for flights to Boise, located close to Seattle.

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

💸 Flights from ~$633

Kenmore Air Harbor Seaplane Base (LKE)

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

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

💸 Flights from ~$1,232

Boise main airports to arrive at

Boise (BOI)

Cheapest

Boise Airport is a convenient arrival choice for travelers flying from Seattle to Boise.

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

💸 Flights from ~$136

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 and high reliability.

📍 ~550 km from Boise (reachable by car)

💸 Flights from ~$120

Business & First Class Flight Deals to Boise

85% AI deal score

$1,095

$327

Save $768

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 within 0-6 days of departure sees the average price rise to approximately $290. Even booking 7-13 days out results in an average price of about $271. Planning ahead by roughly one to two months can lead to significant 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. The median price for this route was $247. Prices can range significantly, with 75% of observed prices being $347 or less. Travelers aiming for a deal should target prices at or below the $177 threshold.

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 good value, with a median price of $177. These months tend to be more affordable compared to the annual median price of $247 for this route. Travelers looking for lower fares might consider planning their trips during these times.

Seattle to Boise: Overview

Insights for flights from Seattle to Boise

How much is a round trip from Seattle to Boise

Regular price: $83 - $215

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

The regular price range for flights from Seattle to Boise is between $83 and $215. The current lowest deal is $136 with Alaska Airlines, Inc. for travel from Sep 5-Sep 6.

now $136

Low $83

High $215

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