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Cheap flights from Boise to Seattle (BOI - SEA)

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The best prices from Boise to Seattle are usually found in October or February, booked 47 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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

BOI - SEA
Price
$93 - $163
SEA
Temperature
46.4 - 77 °F
SEA
Rainfall
0.7 - 6.5 inches

Popular in

November

High demand for flights, 18% potential price rise

Cheapest in

October

Best time to find cheap flights, 31% potential price drop

Average price

$93

Average for round-trip flights in October 2020

Round-trip from

$93

From Boise to Seattle

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?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 18%.

How far in advance should I book a flight from Boise to Seattle?

To save on the cost of your flight from Boise to Seattle, book at least 27 days before your planned departure. Booking around this time can save you about 58% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $136 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $197.

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

It’s typically best to fly out from Boise to Seattle at noon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Boise to Seattle in October, November 2020

The best prices found for BOI to SEA flights for October, November
13 Nov - 13 Nov
$131pp
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
13 Nov - 15 Nov
$137pp
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
28 Nov - 30 Nov
$147pp
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 to Seattle 2020 flight deals

Cheap flights to Seattle from Boise found for this year
13 Nov - 13 Nov
$131pp
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
13 Nov - 15 Nov
$137pp
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
28 Nov - 30 Nov
$147pp
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
13 Nov - 13 Nov
$131pp
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
13 Nov - 15 Nov
$137pp
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
28 Nov - 30 Nov
$147pp
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
29 Oct - 1 Nov
$197pp
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
29 Oct - 2 Nov
$247pp
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
29 Oct - 2 Nov
$249pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

One-way flights to Seattle from Boise

The cheapest one-way flights from Boise to Seattle
1:10 am - 1:46 am
Delta
Nonstop
1h 36m
BOI - SEA
Delta
$99
Delta
6:00 am - 2:11 pm
Alaska Airlines
2 Stops
9h 11m
BOI - SEA
Alaska Airlines
$166
Alaska Airlines
2:33 pm - 10:20 am
Multiple Airlines
3 Stops
44h 47m
BOI - SEA
Multiple Airlines
$171
Kiwi.com

Related info for your journey

Useful info, stats and facts about Boise to Seattle flights.

Flight FAQs

From Boise to Seattle

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.

What safety measures are being taken by airlines flying from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl. Policies will vary by airline.

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.

Can I find flights from Boise to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Boise to Seattle for under $200. The cheapest flight booked recently is on Alaska Airlines for just $131, but on average you can expect to pay $169.

Are there nonstop flights from Boise to Seattle for under $200 on Cheapflights?

Cheapflights has at least 19 direct flights from Boise to Seattle under $200. A good price for a nonstop flight from Boise to Seattle is less than $198.

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.

Does it rain more in Boise or Seattle?

The rainfall in Boise is generally more than the rainfall in Seattle. This will continue over the next 8 days.

Is Boise weather warmer or cooler than Seattle?

You can imagine temperatures to be in the 93 °F range in July. The weather in Seattle is generally colder than Boise's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Boise to Seattle?

For as low as $147, Alaska Airlines can have you in Seattle from Boise in 1h 30m. Most flights are nonstop.

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

Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $131. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $137 and $182, respectively. These flights start at 2% lower than the current average price 3 months from now.

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

$69 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $91 and $119, respectively.

Alternative routes for Boise to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from Boise to Seattle
Flight duration
1h 33m
Average temperature for October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

Airports servicing Boise

Airports servicing Seattle

Hourly flight availability from Boise to Seattle

Morning 6 AM to noon 54% of BOI to SEA departures
Afternoon Noon to 6 PM 32% of BOI to SEA departures
Early morning Midnight to 6 AM 12% of BOI to SEA departures
Evening 6 PM to midnight 2% of BOI to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boise to Seattle
Sunday
26 daily flights
Monday
26 daily flights
Tuesday
25 daily flights
Wednesday
27 daily flights
Thursday
26 daily flights
Friday
27 daily flights
Saturday
26 daily flights
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