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Cheap Flights from Boise to Seattle, WA, United States - BOI to SEA

Popular flights from Boise to Seattle

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jul 15, 2016 Jul 30, 2016 $201

How Much Does it Cost to Fly from Boise to Seattle (BOI to SEA)?

We have collected flight cost data from across the web for travel from Boise to Seattle, and have found the average flight price for this trip to be $202.

When Can I Buy the Cheapest Flight from Boise to Seattle (BOI to SEA)?

Airlines can adjust prices for plane tickets from Boise to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Boise to Seattle

The chart below shows up-to-date information regarding how far in advance a flight from Boise to Seattle should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $377 $356
7-14 days $264 $265
14-21 days $206 $243
21-30 days $206 $207
30-60 days $206 $202
60-90 days $205 $201
90+ days $206 $202

Cheapest Day To Fly from Boise to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from Boise to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$202 $202 $202 $202 $201 $206 $202

Lowest Fares Chart By Month from Boise to Seattle

The chart below shows the lowest fare by month when flying from Boise to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
April Boise Seattle Alaska 4/30/16 5/16/16 1 $356
May Boise Seattle Alaska 5/21/16 6/5/16 0 $206
June Boise Seattle Alaska 6/5/16 6/12/16 1 $202
July Boise Seattle Alaska 7/15/16 7/30/16 1 $201
August Boise Seattle Alaska 8/1/16 8/5/16 1 $202
September Boise Seattle Alaska 9/1/16 9/5/16 0 $206
October Boise Seattle Alaska 10/5/16 10/10/16 0 $206
November Boise Seattle Alaska 11/11/16 11/13/16 0 $206

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Boise to Seattle

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Boise to Seattle.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
$322
8 9 10 11 12 13 14
$322 $300
15 16 17 18 19 20 21
$300 $242
22 23 24 25 26 27 28
$242 $206
29 30 31 1 2 3 4
$206 $206
5 6 7 8 9 10 11
$206

TIPSave $41 by flying into Portland instead of Seattle from Boise

Non-Stop vs Connecting Flights from Boise to Seattle (BOI to SEA)

Your Boise to Seattle flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Boise to Seattle is $202.

The average price for non-stop flights from Boise to Seattle is $206.

The chart below shows up to date information regarding non-stop flights from Boise to Seattle.

Nonstop Flight Details from Boise to Seattle
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 9 8 9 9 9 8 8 06:15 21:30
Delta 4 4 4 4 4 3 3 06:15 18:54

Round Trip vs One Way Flights from Boise to Seattle (BOI to SEA)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Boise to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Boise to Seattle is $97.

The average price for round trip flights from Boise to Seattle is $202.

Boise to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Boise to Seattle?
Answer: The average Boise to Seattle flight time is an hour and 32 minutes.
Question: How many miles are there between Boise and Seattle?
Answer: The distance from Boise to Seattle is 398 miles.
Question: How common are direct flights from Boise to Seattle?
Answer: There are 86 direct flights from Boise to Seattle.
Question: What is the most popular airline for non-stop flights from Boise to Seattle?
Answer: Alaska Airlines provides 69% of the non-stop flights between Boise and Seattle.
Question: What are the most popular connecting cities when flying from Boise to Seattle?
Answer: Phoenix, AZ

Airlines Flying from Boise to Seattle (BOI to SEA)

Below are the different airlines that fly from Boise to Seattle with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Boise to Seattle.

Boise to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska - X X X X X X X
Alaska GEG X X X X X X X
Delta - X X X X X X X
Delta SLC X X X X X X X
Southwest DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Boise and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Boise - BOI

Cheap International Flights from Boise - BOI

FlightsAirlineLowest Price
Boise to Vancouver American, Air Canada, Alaska, United, WestJet $267
Boise to Victoria American, Air Canada, Alaska, United, WestJet $294

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Sun Valley to Vancouver American, Air Canada, Alaska, United, WestJet $514
Lewiston to Vancouver Air Canada, Alaska, United, WestJet $487
Elko to Vancouver United Check Dates
Cheap Flights from Boise to Seattle, WA, United States, from $201 Round trip from BOI to SEA