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Delta Air Lines(DL) flights from Seattle to Boise

Flight INFO & Delta Air Lines(DL) flights from Seattle to Boise

Cheapest one-way flight priceAU$84
Cheapest round-trip ticket priceAU$135
Off-season for travelNovember
Peak season for travelJuly
Flight distance640.7 km
Average flight time1 hour 29 minutes
Popular airlineHawaiian Airlines

Book Delta Air Lines(DL) flights from Seattle to Boise

  • One way
  • Round-trip
      • direct cheapest
        SEA7:45 AM
        1h 35m
        Nonstop
        BOI10:20 AM
        Seattle - Boise|Sat, Dec 27|Delta Air Lines
        AU$98AU$580
        83% OFF
        83% OFF
        AU$580AU$98

      • SEA7:30 PM
        1h 28m
        Nonstop
        BOI9:58 PM
        Seattle - Boise|Sat, Jan 31|Delta Air Lines
        AU$99AU$580
        83% OFF
        83% OFF
        AU$580AU$99

      • SEA7:30 PM
        1h 28m
        Nonstop
        BOI9:58 PM
        Seattle - Boise|Tue, Jan 20|Delta Air Lines
        AU$99AU$580
        83% OFF
        83% OFF
        AU$580AU$99

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Fri, Dec 26|Delta Air Lines
        AU$101
        AU$101

      • SEA7:30 PM
        1h 31m
        Nonstop
        BOI10:01 PM
        Seattle - Boise|Sat, Jan 3|Delta Air Lines
        AU$102
        AU$102

      • SEA9:25 PM
        1h 20m
        Nonstop
        BOI11:45 PM
        Seattle - Boise|Fri, Feb 13|Delta Air Lines
        AU$104
        AU$104

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Sun, Dec 21|Delta Air Lines
        AU$121
        AU$121

      • SEA9:30 PM
        1h 28m
        Nonstop
        BOI11:58 PM
        Seattle - Boise|Mon, Jan 19|Delta Air Lines
        AU$131
        AU$131

      • SEA7:30 PM
        1h 28m
        Nonstop
        BOI9:58 PM
        Seattle - Boise|Mon, Jan 12|Delta Air Lines
        AU$132
        AU$132

      • SEA9:30 PM
        1h 29m
        Nonstop
        BOI11:59 PM
        Seattle - Boise|Wed, Dec 10|Delta Air Lines
        AU$150
        AU$150

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Mon, Dec 22|Delta Air Lines
        AU$272
        AU$272

      • SEA9:30 PM
        1h 29m
        Nonstop
        BOI11:59 PM
        Seattle - Boise|Thu, Dec 18|Delta Air Lines
        AU$272
        AU$272

      • SEA7:45 PM
        1h 31m
        Nonstop
        BOI10:16 PM
        Seattle - Boise|Wed, Dec 17|Delta Air Lines
        AU$276
        AU$276

      • SEA7:45 PM
        1h 31m
        Nonstop
        BOI10:16 PM
        Seattle - Boise|Tue, Dec 16|Delta Air Lines
        AU$276
        AU$276

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Mon, Dec 15|Delta Air Lines
        AU$318
        AU$318

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Tue, Dec 23|Delta Air Lines
        AU$344
        AU$344

      • SEA9:30 PM
        1h 29m
        Nonstop
        BOI11:59 PM
        Seattle - Boise|Fri, Dec 19|Delta Air Lines
        AU$351
        AU$351

      • SEA9:35 PM
        1h 29m
        Nonstop
        BOI12:04 AM
        Seattle - Boise|Mon, Dec 8|Delta Air Lines
        AU$376
        AU$376

      • SEA7:45 PM
        1h 31m
        Nonstop
        BOI10:16 PM
        Seattle - Boise|Tue, Dec 9|Delta Air Lines
        AU$394
        AU$394

      • SEA8:32 AM
        1h 32m
        Nonstop
        BOI11:04 AM
        Seattle - Boise|Sun, Dec 14|Delta Air Lines
        AU$405
        AU$405

      • SEA7:30 PM
        1h 31m
        Nonstop
        BOI10:01 PM
        Seattle - Boise|Sat, Dec 20|Delta Air Lines
        AU$429
        AU$429

      • SEA1:00 PM
        3h 5m
        Nonstop
        BOI2:00 PM
        Seattle - Boise|Mon, Dec 15|Delta Air Lines
        Find More Flights
        Find More Flights

Displayed flight fares from ${{departCityName}} to ${{arrivalCityName}} are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flights to Boise

Delta Air Lines(DL) flights from Seattle to Boise & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL3817

    Delta Air Lines

    9:30 AM

    SEA

    1.6h

    12:06 PM

    BOI

    S--WT-S
    Search

  2. DL3603

    Delta Air Lines

    7:45 PM

    SEA

    1.5h

    10:16 PM

    BOI

    SMTWTFS
    Search

  3. DL3712

    Delta Air Lines

    8:30 AM

    SEA

    1.5h

    11:02 AM

    BOI

    SMTWTFS
    Search

Delta Air Lines(DL) flights from Seattle to Boise Flight Booking FAQ

  • Which airlines offer direct flights from Seattle to Boise?

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

  • How long does it take to fly from Seattle (SEA) to Boise (BOI) and what is the distance?

    It takes around 1 hour 29 minutes to fly from Seattle (SEA) to Boise (BOI).

  • When is the best time to book flights from Seattle to Boise?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Boise 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.

  • How many flights are there per week from Seattle to Boise?

    Based on Trip.com data in the past 4 weeks, there is 136 flight per week flying from Seattle to Boise. You can check the weekly schedule for popular airlines on this route below: Hawaiian Airlines: S/M/T/W/T/F/S -- HA6624 (08:12) Alaska Airlines: S/M/T/W/T/F/S -- AS3385 (08:12)

  • When are flight tickets from Seattle (SEA) to Boise (BOI) the cheapest?

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

  • Which upcoming date is cheapest to fly from Seattle to Boise on?

    After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Boise on December 24, 2025 with Hawaiian Airlines, with prices starting at AU$84.

  • Which airports can I fly to for Boise from Seattle?

    You can land at any one of the following hubs in Boise, with Seattle–Tacoma International Airport to Boise Airport (SEA-BOI) is by far the most common option on this route: Boise Airport (BOI).

  • Is there any time difference between Seattle and Boise?

    The time difference between Boise and Seattle is 1h.

  • How do I change or cancel my ticket from Seattle to Boise?

    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 booking, 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.

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