Cheap flights from Seattle to Boise

Seattle-Tacoma
SEA
Boise (Gowen Field)
BOI

Flight deals from Seattle to Boise

Below you can see the best deals on flights Seattle — Boise for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 24 September, from $105.

Top 10 cheap flights from Seattle to Boise

F9
F9
$ 123

Seattle — Boise

19:06—11:29
5 Sep 2026
15 h 23 m
1 stop
F9
F9
$ 123

Seattle — Boise

14:37—11:29
5 Sep 2026
19 h 52 m
1 stop
DL
$ 135

Seattle — Boise

14:45—17:19
15 Sep 2026
1 h 34 m
Direct flight
DL
$ 135

Seattle — Boise

19:59—22:34
15 Sep 2026
1 h 35 m
Direct flight
DL
$ 135

Seattle — Boise

12:39—15:16
15 Sep 2026
1 h 37 m
Direct flight
DL
$ 135

Seattle — Boise

08:59—11:37
15 Sep 2026
1 h 38 m
Direct flight
DL
$ 135

Seattle — Boise

07:15—09:54
15 Sep 2026
1 h 39 m
Direct flight
AS
$ 137

Seattle — Boise

21:18—23:44
15 Sep 2026
1 h 26 m
Direct flight
AS
$ 137

Seattle — Boise

12:57—15:24
15 Sep 2026
1 h 27 m
Direct flight
AS
$ 137

Seattle — Boise

18:05—20:35
15 Sep 2026
1 h 30 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Seattle — Boise flight

Looking for cheap flights from Seattle to Boise? Compare fares from different airlines, check the flight schedule and travel time — and book your Seattle — Boise ticket online at the best price.

The route has direct flights — around 375 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, Delta, Air France and 1 more airline, a nonstop flight takes about 1 h 25 min, the distance between the cities is around 652 km.

Planning your trip? You may find our Boise travel guide, how to get from the airport into town and Boise weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $103Min. price
OctoberCheapest
JunePeak season
YesDirect flights
652 kmDistance
1 h 25 minTravel time
5Airlines
375 / wkFlights

Flight schedule from Seattle to Boise

The table shows direct flights from Seattle to Boise on the selected date. The flight takes approximately 1 h 25 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, Delta and Air France. Departures from Seattle-Tacoma International Airport and Paine Field airports, arrivals at Boise Air Terminal (Gowen Field).

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Seattle — Boise

Below is a calendar of the lowest flight ticket prices for Seattle — Boise by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $103 in October, and the most expensive are around $216 in June. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seattle to Boise by month. Tickets are usually cheapest in April (around $129) and priciest in July (about $159) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$133lowMay$139mediumSep$139medium
Feb$135lowJun$154highOct$137medium
Mar$144mediumJul$159highNov$133low
Apr$129lowAug$133lowDec$150high

Some values are estimated based on seasonality.

When to fly

Weather in Boise: it is warmest in July (up to 34 °C on average) and coolest in December (around 4 °C). The driest month is July.

Tickets are usually cheapest in October and most expensive in June. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Boise

Dry and wet days · Boise

Wind speed and direction · Boise

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How to get the best deal on a Seattle — Boise ticket

  • Book ahead: fares for Seattle — Boise are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seattle is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Boise is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seattle — Boise route are operated by 5 airlines; Alaska Airlines runs the most flights (around 47% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    59x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SEA → BOI59x/week
      Duration
      1h 30m
      Days
      MTWTFSS
    46.9%Open →
  • Hawaiian AirlinesHA
    44x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight SEA → BOI44x/week
    35.2%
  • DeltaDL
    22x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight SEA → BOI22x/week
      Duration
      1h 39m
      Days
      MTWTFSS
    17.3%Open →
  • Air FranceAF
    1x/week
    WebsiteFleet: 22045M pax/year
    • Direct flight SEA → BOI1x/week
    0.3%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight SEA → BOI1x/week
    0.3%Open →

Cities and airports on the Seattle — Boise route

Flights Seattle — Boise depart from Seattle-Tacoma International Airport and Paine Field and arrive at Boise Air Terminal (Gowen Field). Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seattle

SEA
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Boise

BOI
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Seattle — Boise flight

How long is the flight from Seattle to Boise?

A nonstop Seattle — Boise flight takes about 1 h 25 min — the distance between the cities is around 652 km.

How far is it from Seattle to Boise?

The distance from Seattle to Boise is about 652 km, which a nonstop flight covers in around 1 h 25 min.

Are there direct flights from Seattle to Boise?

Yes, there are nonstop flights Seattle — Boise — around 375 flights per week.

Which airlines fly from Seattle to Boise?

Airlines operating Seattle — Boise include Alaska Airlines, Hawaiian Airlines, Delta, Air France, Qatar Airways. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seattle — Boise flights use?

Flights from Seattle depart from Seattle-Tacoma International Airport, Paine Field, and arrive at Boise Air Terminal (Gowen Field). If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seattle to Boise?

The price of a Seattle — Boise ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in June. Tickets typically cost between $103 and $216. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seattle — Boise?

Flights Seattle — Boise are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seattle to Boise?

To catch a low fare Seattle — Boise, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seattle

See all
Los AngelesAnchorageVancouverSan FranciscoPhoenixSan DiegoSan JoseSpokanePortlandSanta AnaNew York CityDenverChicagoDallasSalt Lake CitySacramentoLas VegasRedmondBostonAtlantaHonoluluWashington, D.C.MinneapolisPascoAustinBurbankFairbanksEugeneJuneauNashvilleHoustonCalgaryBozemanDetroitPalm SpringsMissoulaMedfordRenoOrlandoVictoria

Where else you can fly from Boise

See all
Los AngelesPhoenixSan FranciscoDenverPortlandSpokaneBurbankSan DiegoSalt Lake CityLas VegasSan JoseDallasChicagoMinneapolisPullmanBozemanSanta AnaSacramentoAtlantaAnchorage

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