Find cheap flights from Boise to Seattle

BOI - SEA

Find cheap flights from Boise to Seattle

Round-trip
Economy
Boise (BOI)
Seattle/Tacoma Intl
Fri 3/5
Fri 3/12
Any month
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Good to know

Low season

AprilBest time to beat the crowds with an average 19% drop in price.

High season

NovemberMost popular time to fly with an average 30% increase in price.

Average price round-trip

$114(avg. price over the last 2 weeks)

Good deal round-trip

$92or less

Good deal one-way

$44or less

When to book flights from Boise to Seattle

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $44 or less one-way and $92 or less round-trip.
  • The cheapest flight from Boise to Seattle was found 0 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be October, November and December. The cheapest month to fly is April.
  • Morning departure is around 30% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from Boise to Seattle

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Top 3 airlines serving Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

Scores according to KAYAK customer reviews

8.3
Alaska Airlines
Overall score based on 29,266 reviews
8.5
Boarding
8.3
Comfort
8.8
Crew
7.9
Entertainment
7.9
Food
Airline reviews

Pros: "I was sitting by the windows and it felt a little cramped on the Q400."
Cons: "I would liked to have wifi."

Pros: "It’s comfortable"
Cons: "Thank you"

Cons: "Missed 2nd leg of flight due to 1st leg not taking off at correct time due to improper scheduling on Alaska’s part at SeaTac airport. Forced to take next flight the following day without any accommodation for my wife and 3 year old son. Was told by Alaska service agent to just sleep at the USO."

Pros: "Staff were all fabulous and who doesn't love free drinks?"
Cons: "30$ per bag made us reconsider/repack everything, lug around heavy carry on (which we measured in their box), only to have to check it anyway as told to MANY "this size doesn't fit this particular plane." Ot was a pain to pick up in pouring rain & made some miss connecting flights."

Pros: "Crew were nice and helpful especially with our special need kid."
Cons: "Maybe Terminal C6 for boarding can be in a more convenient place at Boise Airport."

Pros: "The crew was great. Seats... not to comfortable."

Cons: "Didn’t load my checked luggage in Boise"

Cons: "Delayed flight"

Cons: "2 hour delay"

Pros: "Crew was very warm and friendly! Delicious food and snacks available for purchase."

Pros: "Crew were very nice and accommodating."

Cons: "Absolutely nothing. Alaskan dropped the ball, and made me miss my flight. Now I am delayed 4 hours, and missed the event I was needing to be at. No refund on either tickets. 300 dollars down the drain."

Pros: "Movies on the plane."

Pros: "Short and on time. All good!"

Pros: "Love Alaska airline!"

Pros: "I’m 6’4”, much better legroom than most."

Cons: "Rude people. Guy next tp me was offered food. I'm pregnsnt and wasn't offered food"

Pros: "I like the internet for text being free, and staff is nice."
Cons: "Food is not free."

Pros: "Timeliness"
Cons: "No tv’s"

Pros: "Everything!"

Pros: "nothing"
Cons: "everything"

Pros: "Arrived early Attendants were friendly"

Pros: "Left early, landed early, comfortable, not full"

Pros: "Everything"

Pros: "Professional we will employees"
Cons: "Bag check fee. Southwest gives 2 free bags. Why can't you?"

Pros: "Fast and smooth"

Cons: "Gate at Seattle airport was crowded. Not airlines' fault but it was tough to navigate Seattle airport."

Pros: "Fast boarding"
Cons: "Why are Redmond flights always late!?!?"

Pros: "Flight was on time, crew was friendly. Bags came right on time. Plane was clean and comfortable"

Pros: "2 hours late"

Cons: "Landing was rough"

Cons: "our flight was cancelled the night before rebooked on a later flight which would cause us to miss our ferry and other connections they did rebook when I called, adding another connection, but only my husband was rebooked , not me so, I had to get a seat at the counter in Seattle to finish the trip everyone was very poliet"

Pros: "the ease of booking"

Pros: "The people"
Cons: "The fact that my flight was cancelled and I was taken to a new airport... and had a 2 hour overlay I wasn't planning on."

Pros: "how short it was"
Cons: "The landing was a bit nerve rattling."

Pros: "Would be better to allow blue Tooth headsets to view tv/movies did not have wired head phones and did not want to purchase them."

Pros: "Helpful staff"
Cons: "NA"

Pros: "I was able to try a red wine from Walla Walla for free"

Pros: "Free beer"

Pros: "Complimentary IPA was very nice."
Cons: "Too cramped on the plane! Taking out 1 row and the arm rest against the window would help."

Pros: "I liked that there was complimentary wine. I liked that I ended up with window seats on both of my flights with room for my fragile carry on luggage and space next to me. I liked the smooth landings and smooths flights. I liked the pilot pointing out and giving information on the mountain scenery."

Pros: "Comfortable"

Cons: "Nothing"

Pros: "Complimentary wine or beer is pretty cool."
Cons: "We like jets but the Q400 is still nice."

Pros: "Staff were efficient & helpful. Flight was on time. Very smooth landing."
Cons: "Plane was noisy."

Pros: "Love Alaska and ANA. GREAT FLIGHTS."

Cons: "They sent my bag to Santa Barbara."

Pros: "Service was EXCELLENT - great attitiudes, quick, easy, kind, courteous - everything you would expect."
Cons: "I was unable to connect to gogo for wifi my entire trip up to Idaho, so I refused to purchase it coming back. I needed to catch up on work and it would have been an opportune time of sitting and getting things done and not taking time away from my family upon my return. It should not be offered if it is unavailable."

Cons: "Snacks should include a gluten free option."

Pros: "Cleanliness. Safety. Friendly."

Pros: "Timeliness"
Cons: "Seating"

Cons: "connecting flight left without 1/6th of its passengers. Stuck at airport now because of Deltas laziness"

Pros: "Quick boarding process and take off. Flight was slightly late but the staff expedited boarding and take off. Staff is friendly. Service was great. Beverage service was great. Baggage was quickly at baggage claim."
Cons: "Even though its a short flight better food options for First Class would be appreciated."

Cons: "Space on airplanes"

Cons: "The Anchorage airport was FREEZING cold and it was August, maybe a little less AC IS IN ORDER"

Cons: "Food"

Cons: "Cheerless stewards could perk up."

Cons: "No AC for an hour before takeoff - very uncomfortable. Audio for tv did not work."

Pros: "Good choice of movies but not all have subtitles, which comes in handy since phones are not really good. Food was great!"
Cons: "Seating pitch is just not acceptable for 10+ hrs long flight! I am tall (1.92 cm) but there are taller people than me and there is just no way they can sit in economy class seat! That is basically some kind of racism.."

Cons: "Nothing"

Pros: "the food was really top notch and service was great and friendly"

Pros: "Everything was fine. Delta did a great job."
Cons: "The kid screaming in my ear for 3 hours"

Pros: "Boarded and left JFK on time and arrived 15 minutes early to Seattle. Love DELTA."

Cons: "Just not very pleasant, I guess you get what you pay for"

Cons: "Old plane"

Cons: "My friend and I was switched to an even worse seating when boarding. Very uncomfortable especially for my friend since he had crutches."

Pros: "Everything."
Cons: "No food or drinks"

Cons: "No dairy free options!"

Pros: "From check in from Delta App till receiving luggage, very smooth and painless process. Thank you!!"

Cons: "What food am I rating? The cookies?"

Pros: "Had the whole Comfort section to myself!"

Cons: "Seat wouldn't redline."

Cons: "It didn’t take off on time"

Pros: "It’s was super smooth! Fast service and great customer service."
Cons: "The intercom was a little messed up."

Pros: "It was short and fast."

Pros: "I got home"
Cons: "Delta"

Cons: "price could be cheaper"

Cons: "You messed up my life with your poor service."

Pros: "We boarded quickly, in zones. Staff were professional and courteous."
Cons: "Perhaps more than just 2 episodes of some TV programs eg Goldrush. Also more current shows."

Pros: "Cannot. Figure out how to use the wifi."

Pros: "Zones are more delineated."
Cons: "People were obviously cutting in line and edging up before their zones were called."

Pros: "Nothing"
Cons: "The customer service and the strict nonsense rules"

Pros: "Loved how close the gates were"
Cons: "Nothing"

Pros: "Service"
Cons: "Lack of food options"

Pros: "The service was impeccable as always"

Pros: "See above"
Cons: "See above"

Pros: "No puedo opinar mucho del proceso de abordaje, ya que para el procedimiento de ingreso a la terminal fue bastante tardado. Pero la atencion por parte del personal fue bastante amable, las bebidas fueron abundantes y justas."
Cons: "I have no complaints"

Pros: "The seats"
Cons: "We purchased tickets together and our seats were not together when we checked in. We had one small roller bag for the two of us and we ended up having to gate check it along with 3 other people and then there was clearly enough room for it once we were boarded."

Cons: "Trying too hard to fit as many as possible"

Pros: "None of it!! Poor selection"
Cons: "All of it. Again poor selection"

Pros: "Boarding super excellent! Also: Best landing I've ever experienced! Props to the pilot!!"

Cons: "There was a kid screaming on both flights and t was not a good time"

Cons: "I was starving because of my short connection time and couldn't have lunch - wanted to eat something solid and they just had boxes with fruits and cheese."

Pros: "I always have a great experience on Delta! Thank you"

Cons: "So so food. Terrible delay leaving Beijing. Gatemoccupied in SEA."

Cons: "Three bags were left at Paris and were delivered to me only after more than 48 hrs - lock of one bag was missing and other bag was in damaged condition"

Cons: "Snacks if possible"

Pros: "All went well"
Cons: "Nothing"

Pros: "Very informative staff"
Cons: "Was late"

Pros: "Good boarding"
Cons: "Delay and no food or movies"

Pros: "The fact that we actually left."
Cons: "Delayed and upset passengers. Bad breath from passengers circulating in the AC. FA we're okay nothing above and beyond."

Pros: "It’s my longest trip ever due to United"
Cons: "Poor communication between the airline and I, I don’t like the service"

Pros: "Free movies and TV shows through the United app"

Pros: "Not much."
Cons: "Little to no updates and wrong information when finally given. I was bumped out of my premium seat. I had to ask for refunds for the upgrade and priority seating they were not offered. And I had to ask for a meal voucher since none was offered. Alaska always has offered fist no asking needed."

Cons: "In Osaka I was not able to get a boarding pass for this last leg. In SF United and Air China were both not able to give me a boarding pass because I was not listed in their system. I have no idea why. Very frustrating."

Cons: "Second mechanical delay for me on this trip with United and the plane felt very old and rickity. Extremely delayed into Seattle until 2:40am"

Pros: "On time departure and arrival, friendly staff"
Cons: "Cramped planes with not enough legroom. Poor food options."

Cons: "P"

Pros: "Boarding quickly"
Cons: "Delayed"

Pros: "On time"

Cons: "Delays"

Pros: "The two people that helped."
Cons: "That United had NO remorse for our inconvenience and offered NO compensations."

Cons: "Take off and landing both were horrible."

Cons: "30 min delays on both ends."

Pros: "Not much lots of crying kids, fully booked, so no escape"
Cons: "It just sucked. Delta on the way to NYC was great and this one was awful."

Cons: "Narrowness of seating."

Pros: "Pretty much the same... things were smooth and staff we very nice and pleasant."

Pros: "The chairs weren't too bad"
Cons: "The staff wasn't friendly"

Pros: "Experience"
Cons: "The time"

Cons: "Not enough legroom for someone 6'5""

Cons: "Long delay"

Pros: "Friendly captain!"
Cons: "Legs cramped"

Cons: "Had to get off the plane because of a mechanical issue only to re-board the same exact plane 1 hour later"

Cons: "Staff was not overly friendly and carried few smiles."

Pros: "Not much, except maybe the price."
Cons: "Rude ground staff (air staff were nice). Several delays and not organized at all."

Pros: "Upgraded me to a bulkhead seat to accommodate my 6ft 4 inch frame!"
Cons: "All good"

Pros: "Cheap fare"
Cons: "Nothing"

Pros: "Airport not crowded. Efficient boarding!"

Cons: "Staff was rude and it was some what ok"

Pros: "The morning cookie was good."
Cons: "It was dirty."

Pros: "Alaska's coach seats were a dream compared to united"

Pros: ".same as above."
Cons: "Second leg was delayed an hour to replace an O2 tank in the back. I understand that things break, but waiting an hour for a "simple fix" is a bit much"

Pros: "More fights to choose"
Cons: "Could not choose the seat at the time booking"

Pros: "Great staff and everything on time"

Cons: "The cabin was too hot."

Cons: "I'd have to say poor since I'm still stuck in Denver."

Pros: "Fast and smooth"

Cons: "Support for all Android platforms needs to be updated."

Cons: "That you must pay to be able to watch basic TV. Other airlines have free TV or play a movie for you."

Pros: "Food was good"

Pros: "Nothing"
Cons: "The landing was horrible. A lot of passengers were upset."

Cons: "Horrible airline"

Pros: "Great service and food"

Pros: "Punty of room to strich legs. Offered drinks 4 times"

Pros: "That they stored my carrion that didn't fit overhead for free"
Cons: "Overhead was to small"

Cons: "Confusions on dates from Internet. Your site usually sets its own dates without confirming."

Cons: "delayed"

Cons: "Charge for tv!"

Cons: "I nearly missed getting a cup of ice as the refreshment cart went up the isle. The attendant tried to give me a small sack of "snacks" instead. I had to repeat myself, over the back of our seats, two more times before I got my cup of ice. I said Thanks! But the look on the attendant's (male, black) face said I wasn't "welcome"."

Read more about Alaska Airlines
COVID-19 information

Safety measures for airlines flying from Boise to Seattle

Airlines flying from Boise to Seattle have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Boise to Seattle

Mandatory masks

Masks required on board, masks provided on flights from Boise to Seattle

Social distancing seating

Middle seats unavailable to book on flights from Boise to Seattle

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Boise to Seattle

Book cheap flights from Boise to Seattle

Recent round-trip flight deals

3/31
Wed
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Alaska Airlines
1h 37m
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1h 31m
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1h 30m
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1h 57m
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1h 27m
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3h 03m
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1h 25m
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Delta
1h 40m
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Recent one-way flight deals

3/23
Tue
nonstop
Alaska Airlines
1h 30m
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5/21
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Delta
1h 46m
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3/18
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1h 40m
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1h 33m
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United Airlines
8h 14m
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Multiple Airlines
21h 29m
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Alaska Airlines
1h 41m
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Multiple Airlines
25h 12m
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United Airlines
8h 14m
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Multiple Airlines
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11h 30m
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