Cheap flights from Boise to Seattle (BOI - SEA)

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The best prices from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl are usually found in April or May, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Home North America USA Washington Seattle Cheap flights from Boise to Seattle

How to find the cheapest flight from
Boise (BOI) to Seattle (SEA)

All the information you need to plan the best BOI to SEA flight in 2021: compare Boise to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
BOI - SEA
Price
$92 - $163
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

November

High demand for flights, 30% potential price rise

Cheapest in

April

Best time to find cheap flights, 19% potential price drop

Average price

$112

Average for round-trip flights in September 2021

Round-trip from

$92

From Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boise to Seattle?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Boise to Seattle?

The best pricing can be found in the month of April. Prices to Seattle from Boise average $114. You can even find prices in April for less than $114, as users have found deals to Seattle from as low as $92. The month of November appears to be one of the more expensive times to travel to Seattle from Boise. Flying in the targeted month can save you up to 43%.

When is the cheapest time to fly from Boise to Seattle (BOI - SEA)?

When flying from Boise to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 21% versus a flight in the evening.

Cheap flights from Boise to Seattle in September, October 2021

The best prices found for BOI to SEA flights for September, October
20 Oct - 23 Oct
$77pp
BOI
Boise Air Term. Gowen Fld
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOI
Boise Air Term. Gowen Fld
19 Oct - 19 Oct
$78pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
6 Oct - 13 Oct
$83pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

Boise Air Term. Gowen Fld to Seattle 2021 flight deals

Cheap flights to Seattle from Boise found for this year
20 Oct - 23 Oct
$77pp
BOI
Boise Air Term. Gowen Fld
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOI
Boise Air Term. Gowen Fld
19 Oct - 19 Oct
$78pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
6 Oct - 13 Oct
$83pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

Non-stop flights to Seattle from Boise

Save time with Boise to Seattle direct flight deals
20 Oct - 23 Oct
$77pp
BOI
Boise Air Term. Gowen Fld
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOI
Boise Air Term. Gowen Fld
19 Oct - 19 Oct
$78pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
6 Oct - 13 Oct
$83pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

Last minute flights from Boise to Seattle

Late deals on round-trip flights to Seattle from Boise, departing today and this week
30 Sep - 5 Oct
$127pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
30 Sep - 5 Oct
$137pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
2 Oct - 9 Oct
$140pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

One-way flights to Seattle/Tacoma Intl from Boise

The cheapest one-way flights from Boise to Seattle
2:50 am - 10:15 am
Alaska Airlines
1 Stop
8h 25m
BOI - SEA
Alaska Airlines
$137
4:00 am - 4:52 am
Delta
Nonstop
1h 52m
BOI - SEA
Delta
$149
Delta
3:00 am - 1:17 pm
United Airlines
2 Stops
11h 17m
BOI - SEA
United Airlines
$151
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boise</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Boise to Seattle

What airports do I use to fly from Boise to Seattle?

If you book a flight from Boise to Seattle, you will be flying from Air Term. Gowen Fld to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Boise Air Term. Gowen Fld (BOI) take 1h 36m for a nonstop flight. There are 32 flights from Air Term. Gowen Fld to Seattle per day from 3 airlines.

Which airlines flying from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Alaska Airlines, Delta, and Major Airline are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are flight prices decreasing from Boise to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boise and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boise to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Boise to Seattle for under $100. The cheapest flight booked recently is on Delta for just $77, but on average you can expect to pay $108.

Are there nonstop flights from Boise to Seattle for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Boise to Seattle under $100. A good price for a nonstop flight from Boise to Seattle is less than $110.

Are there last-minute flights available from Boise to Seattle for under $200?

There are currently 20+ open flights from Boise to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Boise to Seattle?

Nonstop flights are available for this route on the following days: Sunday, Monday, Wednesday, Friday, Saturday.

How popular is this Boise to Seattle flight route?

Within the past month, 88 users have taken a look at flights from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl.

How many flights depart from Boise to Seattle on average per day?

6 flight departures from Boise to Seattle per day on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Boise to Seattle?

For as low as $77, Delta can have you in Seattle from Boise in 1h 47m. The distance from Boise to Seattle is about 400 mi. Most flights are nonstop.

What are the cheapest airlines flying from Boise to Seattle round-trip?

Currently priced at $77, Delta will fly you from Boise to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $78. Delta is 32% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Boise to Seattle one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $39. Alaska Airlines flights start at $42 while deals on United Airlines start at $80 one-way.

What are the most reliable airlines from Boise to Seattle?

Consider Aeromexico (95%), WestJet (94%) or Delta (94%) when booking your flight. These represent the most reliable airlines when flying from Boise to Seattle.

What are the cheapest flights from Boise to Seattle?

On average you can expect to pay $187 for a flight from Boise to Seattle. The cheapest flight overall is $44 while the most popular route, (Boise Air Term. Gowen Fld - Seattle/Tacoma Intl) is currently priced at $77.

What are the most popular airlines that fly from Boise to Seattle?

The most popular airlines flying from Boise to Seattle are Major Airline, Alaska Airlines and Delta. Something to consider prior to booking your flight.

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COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Boise?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Boise Air Term. Gowen Fld need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Boise Air Term. Gowen Fld must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Boise Air Term. Gowen Fld are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Boise from Seattle?

Returning to Boise Air Term. Gowen Fld from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boise Air Term. Gowen Fld.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Boise Air Term. Gowen Fld.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Boise to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Boise Air Term. Gowen Fld to Spokane from $131 pp
Idaho Falls Fanning Field to Spokane from $175 pp

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Boise to Seattle.
Flight duration from BOI to SEA
1h 37m
Average temperature for September in Seattle
73.4 °F
Avg rainfall for September in Seattle
1.0 ″

Airports servicing Boise

Boise (BOI)

Airports servicing Seattle

Seattle (SEA)

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.

Hourly flight availability from Boise to Seattle

See what time of day planes typically take off from Boise towards Seattle.
Morning 6 AM to noon 54% of BOI to SEA departures
Afternoon Noon to 6 PM 22% of BOI to SEA departures
Early morning Midnight to 6 AM 12% of BOI to SEA departures
Evening 6 PM to midnight 12% of BOI to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boise to Seattle
See how many times per day planes take to the skies headed from Boise to Seattle.
Sunday
31 daily flights
Monday
33 daily flights
Tuesday
35 daily flights
Wednesday
33 daily flights
Thursday
29 daily flights
Friday
34 daily flights
Saturday
29 daily flights
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