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BOI - SEA
set 10 - set 17
Seattle

$56+ Cheap flights from Boise to Seattle (BOI - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
set 10 — set 171
ter 9/10
ter 9/17
1 adult, Economy
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BOI - SEA
set 10 - set 17

Find cheap flights from Boise to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
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3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl are usually found in September or October, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Boise to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated setembro 5, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$108

One-way from

$56
(Cheapflightsfares)
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From Boise Air Term. Gowen Fld to Seattle/Tacoma Intl
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One-way flight from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl
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Cheap Boise to Seattle flights in September & October 2024

Find cheap flight options from Boise to Seattle specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Prices were last updated on setembro 5, 2024.
The lowest fares we've come across on flights traveling from Boise to Seattle in September and October 2024. Check back soon for alternative fares.
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/128:00 amBOI - SEA
Nonstop1h 41mAlaska Airlines
seg 10/147:05 amSEA - BOI
Nonstop1h 23mAlaska Airlines
Deal found 9/4$117
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/2412:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
sex 9/279:20 pmSEA - BOI
1 stop13h 17mSpirit Airlines
Deal found 9/4$118
This deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1212:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
dom 10/139:01 pmSEA - BOI
1 stop13h 27mSpirit Airlines
Deal found 9/5$119
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/312:27 pmBOI - SEA
1 stop8h 40mMultiple Airlines
ter 10/87:05 amSEA - BOI
Nonstop1h 23mMultiple Airlines
Deal found 9/4$120
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1912:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
ter 10/221:33 pmSEA - BOI
1 stop20h 55mSpirit Airlines
Deal found 9/4$121
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/2412:27 pmBOI - SEA
1 stop27h 48mSpirit Airlines
qua 10/212:44 pmSEA - BOI
1 stop21h 53mSpirit Airlines
Deal found 9/4$122
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/245:45 amBOI - SEA
Nonstop1h 33mMultiple Airlines
seg 10/289:01 pmSEA - BOI
1 stop13h 27mMultiple Airlines
Deal found 9/4$123
This FareScan deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/2512:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
qua 10/24:05 pmSEA - BOI
1 stop18h 32mSpirit Airlines
Deal found 9/5$124
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/118:54 pmBOI - SEA
1 stop21h 45mSpirit Airlines
seg 10/149:01 pmSEA - BOI
1 stop13h 27mSpirit Airlines
Deal found 9/4$125

Boise to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Boise and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated setembro 5, 2024.
The lowest fares we've come across on flights traveling from Boise to Seattle in September and October 2024. Check back soon for alternative fares.
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/128:00 amBOI - SEA
Nonstop1h 41mAlaska Airlines
seg 10/149:24 pmSEA - BOI
Nonstop1h 19mAlaska Airlines
Deal found 9/4$117
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/2412:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
sex 9/279:20 pmSEA - BOI
1 stop13h 17mSpirit Airlines
Deal found 9/4$118
This deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1212:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
dom 10/139:01 pmSEA - BOI
1 stop13h 27mSpirit Airlines
Deal found 9/5$119
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/312:27 pmBOI - SEA
1 stop8h 40mMultiple Airlines
ter 10/87:05 amSEA - BOI
Nonstop1h 23mMultiple Airlines
Deal found 9/4$120
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1912:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
ter 10/221:33 pmSEA - BOI
1 stop20h 55mSpirit Airlines
Deal found 9/4$121
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/2412:27 pmBOI - SEA
1 stop27h 48mSpirit Airlines
qua 10/212:44 pmSEA - BOI
1 stop21h 53mSpirit Airlines
Deal found 9/4$122
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/245:45 amBOI - SEA
Nonstop1h 33mMultiple Airlines
seg 10/289:01 pmSEA - BOI
1 stop13h 27mMultiple Airlines
Deal found 9/4$123
This FareScan deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/2512:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
qua 10/24:05 pmSEA - BOI
1 stop18h 32mSpirit Airlines
Deal found 9/5$124
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/118:54 pmBOI - SEA
1 stop21h 45mSpirit Airlines
seg 10/149:01 pmSEA - BOI
1 stop13h 27mSpirit Airlines
Deal found 9/4$125

Boise to Seattle flights leaving soon

Find last-minute flight options from Boise to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated setembro 5, 2024.
Users seeking a last-minute flight from Boise to Seattle should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/1112:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
ter 9/175:30 amSEA - BOI
2 stops29h 07mSpirit Airlines
Deal found 9/4$257
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/1112:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
ter 9/1712:44 pmSEA - BOI
1 stop21h 53mSpirit Airlines
Deal found 9/4$261
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/1112:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
ter 9/175:30 amSEA - BOI
3 stops29h 07mSpirit Airlines
Deal found 9/4$285
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/1310:24 amBOI - SEA
Nonstop1h 33mAlaska Airlines
sáb 9/215:54 pmSEA - BOI
Nonstop1h 24mAlaska Airlines
Deal found 9/3$307
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/135:37 pmBOI - SEA
Nonstop1h 32mAlaska Airlines
sáb 9/216:45 amSEA - BOI
1 stop5h 08mAlaska Airlines
Deal found 9/3$316
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/138:00 amBOI - SEA
1 stop5h 18mAlaska Airlines
sáb 9/218:45 amSEA - BOI
1 stop4h 28mAlaska Airlines
Deal found 9/3$326
This Orbitz deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/1210:24 amBOI - SEA
Nonstop1h 33mMultiple Airlines
dom 9/159:20 pmSEA - BOI
1 stop13h 17mMultiple Airlines
Deal found 9/4$354
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/118:45 amBOI - SEA
Nonstop1h 38mAlaska Airlines
ter 9/179:21 pmSEA - BOI
Nonstop1h 24mAlaska Airlines
Deal found 9/4$357
This Orbitz deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/127:20 amBOI - SEA
1 stop6h 10mMultiple Airlines
dom 9/159:20 pmSEA - BOI
1 stop13h 17mMultiple Airlines
Deal found 9/4$364

One-way flights to Seattle from Boise

Search for one-way flight options from Boise to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated setembro 5, 2024.
If you're seeking multiple options on one-way flights from Boise to Seattle, be sure to check out these deals, which are updated often. Users can also find round-trip Boise to Seattle flights by using the search form above.
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1912:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
Deal found 9/5$56
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/27:00 amBOI - SEA
Nonstop1h 33mAlaska Airlines
Deal found 9/3$59
This FareScan deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 10/712:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
Deal found 9/5$62
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/412:24 pmBOI - SEA
1 stop6h 15mSpirit Airlines
Deal found 9/5$63
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/55:15 pmBOI - SEA
Nonstop1h 35mDelta
Deal found 9/4$64
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/412:27 pmBOI - SEA
1 stop8h 40mSpirit Airlines
Deal found 9/4$65
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/25:05 pmBOI - SEA
1 stop5h 55mAlaska Airlines
Deal found 9/3$73
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/3012:27 pmBOI - SEA
1 stop24h 17mSpirit Airlines
Deal found 9/4$76
This FareScan deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/412:27 pmBOI - SEA
2 stops12h 43mSpirit Airlines
Deal found 9/4$78

Find flights from Boise to Seattle within your budget

Customize your flight search to find flights from Boise to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated setembro 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$108 - $236

Route

Depart

Return

Price

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sáb 10/12

1 stop8h 10m

Seattle/Tacoma Intl

seg 10/14

Nonstop1h 30m

$108

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sex 10/11

Nonstop1h 31m

Seattle/Tacoma Intl

seg 10/14

Nonstop1h 23m

$111

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

qui 9/26

1 stop6h 12m

Seattle/Tacoma Intl

seg 9/30

1 stop13h 17m

$112

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sex 10/11

Nonstop1h 42m

Seattle/Tacoma Intl

dom 10/13

Nonstop1h 30m

$115

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sáb 10/12

1 stop6h 15m

Seattle/Tacoma Intl

dom 10/13

1 stop24h 15m

$116

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

qui 10/3

1 stop8h 40m

Seattle/Tacoma Intl

qui 10/10

Nonstop1h 23m

$120

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

qui 10/24

Nonstop1h 33m

Seattle/Tacoma Intl

seg 10/28

1 stop13h 27m

$123

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

sex 9/27

Nonstop1h 41m

Seattle/Tacoma Intl

sex 10/4

Nonstop1h 28m

$127

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

dom 9/22

1 stop6h 43m

Seattle/Tacoma Intl

sáb 9/28

1 stop5h 35m

$236

Flights are sorted by cheapest first

Deals found on 9/4

Compare providers for flights from Boise to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Seattle in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapflightsfaresPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapfaremartPrice Accuracy0 starsTrust Score*3 starsCancellation PolicyAirline Policy
Kiwi.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyNo Information
FlightsMojoPrice Accuracy0 starsTrust Score*1 starCancellation PolicyNo Information

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Best time to book a flight from Boise to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boise to Seattle

Get recent, data-driven insights about flights from Boise to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Seattle. Price data was last updated on August 30, 2024.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Find deals

What is the cheapest month to book a flight from Boise to Seattle?

Currently, January is the cheapest month in which you can book a flight from Boise to Seattle (average of $79). Flying from Boise to Seattle in May is currently the most expensive (average of $156). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to SEA?

Find hourly flight availability from Boise to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated setembro 5, 2024.

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 in the evening, which can drop the price by up to 4% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Seattle. Price data was last updated on September 1, 2024.

Travelers seeking maximum savings on their Boise to Seattle flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Weekly flight availability from Boise to Seattle

Explore weekly flight availability from Boise to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated setembro 5, 2024.

The most flights from BOI to SEA are scheduled on a Thursday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).

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

Our users search for these airlines the most when looking for flights from Boise to Seattle. Data last updated on setembro 5, 2024.

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

Alaska Airlines

Alaska Airlines

From $116

Delta

Delta

From $117

Spirit Airlines

Spirit Airlines

From $90

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated setembro 5, 2024.
Read reviews from past customers who have flown Alaska Airlines, United Airlines and Spirit Airlines from Boise to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.2
Very good
5,383 reviews
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,356 reviews
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
9,185 reviews
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,648 reviews
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Spirit Airlines
6.4
Okay
8,289 reviews
Southwest
8.2
Very good
5,383 reviews

Crew

8.7

Food

7.3

Overall

8.2

Boarding

8.3

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Boise to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 35m for a nonstop flight. There are 41 flights from Air Term. Gowen Fld to Seattle per day from 3 airlines.

  • 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 $108, but on average you can expect to pay $121.

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

    Cheapflights has at least 20 direct flights from Boise to Seattle under $200. A good price for a nonstop flight from Boise to Seattle is less than $236.

  • Are there last-minute flights available from Boise to Seattle for under $300?

    There are currently 20+ open flights from Boise to Seattle within the next 7 days for less than $300.

  • What days are nonstop flights available from Boise to Seattle?

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

  • How popular is this Boise to Seattle flight route?

    Within the past month, 94 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?

    22 flight departures from Boise to Seattle per day on average.
    Early Morning (Midnight to 6am) - 27% of flight departures
    Morning (6am - Noon) - 5% of flight departures
    Afternoon (Noon - 6pm) - 59% of flight departures
    Evening (6pm - Midnight) - 9% of flight departures

  • How long is the flight from Boise to Seattle?

    For as low as $108, Alaska Airlines can have you in Seattle from Boise in 1h 42m. The distance from Boise to Seattle is about 400 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $108, Alaska Airlines will fly you from Boise to Seattle and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $112 and $115, respectively. Alaska Airlines is 47% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $56. Alaska Airlines