Return flights from Boise to Seattle Flights from HKD 55 incl. tax

Discover the best flight deals from Return flights from Boise to Seattle

Return flights from Boise to Seattle Flight Route Info

The distance between Return flights from Boise and Seattle is approximately 640.7 km. Find the best flight deals and travel tips.

Cheapest one-way flight price
US$64
Cheapest return ticket price
US$71
Cheapest month
November
Peak season for travel
July
Flight distance
640.7 km
Average flight time
1 hour 45 minutes
Popular airline
Alaska Airlines

Return flights from Boise to Seattle Flights

Compare and book the best deals

17:55
BOI
Boise
1h 38m
Nonstop
18:33
SEA
Seattle
US$91
US$55
39% OFF
21:50
BOI
Boise
1h 45m
Nonstop
22:35
SEA
Seattle
US$91
US$58
36% OFF
07:25
BOI
Boise
4h 2m
1 stop
10:27
SEA
Seattle
US$91
US$59
35% OFF
17:15
BOI
Boise
1h 53m
Nonstop
18:08
SEA
Seattle
US$91
US$60
34% OFF
17:15
BOI
Boise
1h 53m
Nonstop
18:08
SEA
Seattle
US$91
US$60
34% OFF
14:29
BOI
Boise
6h 12m
1 stop
19:41
SEA
Seattle
US$91
US$61
33% OFF

Return flights from Boise to Seattle - When are flights cheapest?

View price trends for different routes and find the best time to book.

Lowest price for Return flights from Boise to Seattle
HK$569 (Feb 15 - Feb 22)

Return flights from Boise to Seattle Departure Airports

Airports in Return flights from Boise

Return flights from Boise to Seattle Airlines

Airlines operating flights on this route

Return flights from Boise to Seattle FAQ

Common questions about Return flights from Boise to Seattle flights

Based on HopeGoo data, Hawaiian Airlines offers one-way fares as low as US$64 on Cheapest nonstop routes (e.g. BOI to SEA on Thu, Apr 2), while Delta Air Lines offers Cheapest nonstop round-trips from US$71 departing on Thu, Mar 26 and returning on Sat, Mar 28.

At the moment, you can catch a nonstop flight from Boise to Seattle with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 1 hour 45 minutes to fly from Boise to Seattle.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Boise to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 85 flight per week flying from Boise to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS345 (06:27)

To find best deals on flights from Boise to Seattle, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Apr 2, with one-way flights priced at just US$64. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hawaiian Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Boise to Seattle is November, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Boise to Seattle on February 26, 2026 with Hawaiian Airlines, with prices starting at US$68.

You can land at any one of the following hubs in Seattle, with Boise Airport to Seattle-Tacoma International Airport (BOI-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE) Seattle-Tacoma International Airport (SEA).

The time difference between Seattle and Boise is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.