Cheap flights from Boise to Seattle (BOI - SEA) from $46

This is the cheapest one-way flight price, found on 12/6. Prices may vary by date and flight preferences.
BOI — SEA
Dec 12 — Dec 191

The best prices from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl are usually found in September or October, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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

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 December 7, 2023.

Popular in

March

Cheapest in

September

Round-trip from

$238

One-way from

$164
High demand for flights, 13% potential price rise
Best time to find cheap flights, 16% potential price drop
From Boise Air Term. Gowen Fld to Seattle/Tacoma Intl
One-way flight from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Boise to Seattle?

Flying to your destination on a Thursday 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.

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

Find a great deal and save up to 181% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boise to Seattle within the next two weeks, with the cheapest ticket starting at $345.

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

The best pricing can be found in the month of September. Prices to Seattle from Boise average $189. You can even find prices in September for less than $189, as users have found deals to Seattle from as low as $69. The month of March 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 15%.

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 in the afternoon, which can drop the price by up to 8% versus a flight in the evening.

Cheap Spirit Airlines flights from Boise to Seattle

Explore cheap flight options specifically provided by Spirit Airlines for the route between Boise and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Peruse some of the lowest-priced Spirit Airlines flights we've found from Boise to Seattle. It's recommended that users confirm their flight details before booking.

Cheap Alaska Airlines flights from Boise to Seattle

Explore cheap flight options specifically provided by Alaska Airlines for the route between Boise and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Browse through some of the cheapest Alaska Airlines flights traveling from Boise to Seattle. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Boise to Seattle flights in December & January 2023

Find cheap flight options from Boise to Seattle specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Prices were last updated on December 7, 2023.
The lowest fares we've come across on flights traveling from Boise to Seattle in December and January 2023. Check back soon for alternative fares.

Boise to Seattle 2023 flight deals

Discover exclusive flight deals for travel between Boise and Seattle in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
The lowest fares we've come across on flights traveling from Boise to Seattle in December and January 2023. Check back soon for alternative fares.

Non-stop flights to Seattle from Boise

Discover non-stop flight options from Boise to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
For a quicker trip, book one of these direct flights from Boise to Seattle. Search for alternative flights from Boise to Seattle by utilizing the search form above.

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 2,618,515 searches. Data last updated December 7, 2023.
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.

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 2,618,515 searches. Data last updated December 7, 2023.
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.

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 2,618,515 searches. Data last updated December 7, 2023.

Fly from

Any airport

Fly to

Any airport

Budget

$81 - $148

Route

Depart

Return

Price

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 2/9

1 stop12h 16m

Seattle/Tacoma Intl

Sun 2/11

1 stop12h 06m

$81

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 2/9

1 stop12h 16m

Seattle/Tacoma Intl

Sun 2/11

1 stop12h 06m

$83

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 1/13

1 stop6h 32m

Seattle/Tacoma Intl

Sun 1/14

1 stop12h 06m

$86

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 1/12

1 stop12h 16m

Seattle/Tacoma Intl

Mon 1/15

1 stop11h 00m

$88

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Mon 1/8

1 stop13h 36m

Seattle/Tacoma Intl

Mon 1/15

1 stop11h 00m

$93

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 1/20

1 stop6h 32m

Seattle/Tacoma Intl

Wed 1/24

Nonstop1h 26m

$104

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 1/13

Nonstop1h 44m

Seattle/Tacoma Intl

Mon 1/15

1 stop11h 00m

$111

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 1/17

Nonstop1h 37m

Seattle/Tacoma Intl

Sat 1/20

Nonstop1h 26m

$138

Boise Air Term. Gowen FldSeattle/Tacoma Intl

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 1/13

Nonstop1h 53m

Seattle/Tacoma Intl

Sun 1/14

Nonstop1h 28m

$148

Flights are sorted by cheapest first

Deals found on 12/6

Average price of flights to Seattle by month

Plan your trip from Boise to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Boise to Seattle is currently 64.78 USD while a round-trip flight costs 103.56 USD. Price data was last updated on December 3, 2023.

Currently, January is the cheapest month in which you can book a flight from Boise to Seattle (average of $238). Flying from Boise to Seattle in June is currently the most expensive (average of $433). 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.

January

$238

February

$238

March

$287

April

$306

May

$338

June

$433

July

$417

August

$346

September

$278

October

$258

November

$258

December

$245

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 December 7, 2023.
Read reviews from past customers who have flown Spirit Airlines, Alaska Airlines and American 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.
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

8.1
Very good
1,404 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

7.9
Good
3,035 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

7.4
Good
1,902 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

7.2
Good
2,645 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

6.3
Okay
1,498 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

It was a good experience with fast boarding and nice crew.

Average temperature in Seattle by month

Plan your trip to Seattle by selecting the month that matches your preferred temperature. July sees the highest average temperature while December sees the lowest average temperature. Temperature data was last updated on December 3, 2023.

SEA

Temperature

41 - 66.2 °F

Average rainfall in Seattle by month

Keep in mind the precipitation totals in Seattle when planning your trip. Seattle sees an average of 3.13 precipitation per year with the most occurring in November. Precipitation data was last updated on December 3, 2023.

SEA

Rainfall

0.7 - 6.6 inches

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 30m for a nonstop flight. There are 40 flights from Air Term. Gowen Fld to Seattle per day from 4 airlines.

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 Spirit Airlines for just $81, but on average you can expect to pay $113.

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 $267.

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, Tuesday, Thursday, Friday, Saturday.

How popular is this Boise to Seattle flight route?

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

29 flight departures from Boise to Seattle per day on average.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Noon) - 24% of flight departures
Afternoon (Noon - 6pm) - 59% of flight departures
Evening (6pm - Midnight) - 10% of flight departures

How long is the flight from Boise to Seattle?

For as low as $81, Spirit Airlines can have you in Seattle from Boise in 1h 37m. 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 $81, Spirit Airlines will fly you from Boise to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $138 and $148, respectively. Spirit Airlines is 57% 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 $54. Delta flights start at $69 while deals on Alaska Airlines start at $79 one-way.

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

What are the most reliable airlines from Boise to Seattle?

Consider Singapore Airlines (100%), Condor (96%) or WestJet (95%) 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 $879 for a flight from Boise to Seattle. The cheapest flight overall is $79 while the most popular route, (Boise Air Term. Gowen Fld - Seattle/Tacoma Intl) is currently priced at $67.

What does BOI to SEA mean?

Great question - BOI to SEA just means Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Boise to Seattle

Discover the top 4 airlines that operate flights from Boise to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$84Average$178FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$84Average$188FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$92Average$149FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$104Average$278FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights to Seattle by cabin class

Hourly flight availability from Boise to Seattle

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 December 7, 2023.
14%of flight departuresEarly morningMidnight to 6 am
56%of flight departuresMorning6 am to noon
26%of flight departuresAfternoonNoon to 6 pm
4%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 December 7, 2023.
Sunday41daily flights
Monday44daily flights
Tuesday34daily flights
Wednesday37daily flights
Thursday40daily flights
Friday43daily flights
Saturday46daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boise to Seattle?

Cheapflights makes it easy to find Boise to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boise to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boise to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Boise to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boise to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boise to Seattle become cheaper?

Yes! Start tracking prices for Boise to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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