Cheap Flights from Boise, ID to Seattle, WA from $67
On Cheapflightsplus.com you will find 43 direct and 209 connecting flights from Boise to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $67, book and save on cheap plane tickets and last minute offers. Also check out BOI-SEA flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Boise to Seattle depends on and how to choose the most interesting flight option for you.
Distance between Boise and Seattle is 640 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 21:49 from 1 Boise airport and arrive 05:00 to 21:49 to 3 Seattle airports. Average flight time is 1h 33m.
- The fastest flight 1h 25m
- Average flight time 1h 33m
- The earliest flight 05:00
- The latest flight 21:49
- Distance 398 ml
Best Flights from Boise to Seattle Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $67 | 11:19 Boise Boise | 11:52 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4762 |
| from $70 | 11:19 Boise Boise | 11:52 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2148 |
| from $98 | 16:35 Boise Boise | 17:00 Seattle Seattle-Tacoma Intl | 1h 25m | Hawaiian Airlines | HA4743 |
| from $80 | 13:41 Boise Boise | 19:10 Seattle Seattle-Tacoma Intl | 6h 29m layover 4h 0m - Spokane | Alaska Airlines | AS3250 AS964 |
| from $83 | 14:34 Boise Boise | 17:53 Seattle Seattle-Tacoma Intl | 4h 19m layover 1h 49m - Spokane | Hawaiian Airlines | HA4718 HA4938 |
The cheapest months to travel to Seattle are october (from 67 $), august (from 67 $), september (from 77 $).
The most expensive months are november (from 151 $), february (from 139 $), may (from 105 $).
What is the lowest airfare Boise to Seattle?
The cheapest plane ticket found by our users is $67. This airfare is for economy class on one-way HA4763 flight by Hawaiian Airlines for October 7, 2025 which leaves Boise in Boise at 20:21 am and arrives at Seattle Seattle-Tacoma Intl at 21:04.
Flight Schedule Boise (Idaho) to Seattle (Washington)
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Popular Airlines on the Route
The flight Boise — Seattle is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 103 departures per week at the price of from $ 70 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 601.
Direct flights
There are 43 nonstop flights on the route. The fastest direct flight is HA4743 by Hawaiian Airlines takes 1h 25m and the cheapest is HA4763 by Hawaiian Airlines for $67.
- AS - Alaska Airlinesfrom $70Find
- HA - Hawaiian Airlinesfrom $67Find
Connecting Flights
There are 209 flights with layovers on the route. The fastest connecting flight is HA4790 by Hawaiian Airlines takes 2h 50m and the cheapest is HA4763 by Hawaiian Airlines for $80.
- AS - Alaska Airlinesfrom $80Find
- F9 - Frontier Airlinesfrom $94Find
- SY - Sun Country Airlinesfrom $198Find
- HA - Hawaiian Airlinesfrom $83Find
- UA - United Airlinesfrom $122Find
- NK - Spirit Airlinesfrom $120Find
- G4 - Allegiant Airfrom $160Find
Airports
You can fly from Boise to Seattle from 1 airports (Boise).
Boise airports
- Boise-BOIfrom $67Find
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from Boise by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Boise
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Top International Destinations from Boise
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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