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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 price US$106
Cheapest return ticket price US$152
Cheapest month November
Peak season for travel July
Flight distance 640.7 km
Average flight time 1 hour 32 minutes
Popular airline Delta Air Lines

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

  • One way
  • Round-trip
      • direct cheapest
        SEA16:04
        1h 36m
        Nonstop
        BOI18:40
        Seattle - Boise|Thu, Sep 10|Delta Air Lines
        US$129
        US$482
        73% off
        Search
        73% off
        US$482
        US$129
      • SEA16:10
        1h 38m
        Nonstop
        BOI18:48
        Seattle - Boise|Thu, Aug 27|Delta Air Lines
        US$131
        US$482
        73% off
        Search
        73% off
        US$482
        US$131
      • SEA21:29
        1h 29m
        Nonstop
        BOI23:58
        Seattle - Boise|Tue, Sep 15|Delta Air Lines
        US$145
        US$482
        70% off
        Search
        70% off
        US$482
        US$145
      • SEA21:25
        1h 34m
        Nonstop
        BOI23:59
        Seattle - Boise|Fri, Aug 21|Delta Air Lines
        US$170
        Search
        US$170
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Tue, Aug 18|Delta Air Lines
        US$181
        Search
        US$181
      • SEA19:50
        1h 40m
        Nonstop
        BOI22:30
        Seattle - Boise|Wed, Aug 19|Delta Air Lines
        US$182
        Search
        US$182
      • SEA19:50
        1h 40m
        Nonstop
        BOI22:30
        Seattle - Boise|Thu, Aug 20|Delta Air Lines
        US$187
        Search
        US$187
      • SEA19:50
        1h 40m
        Nonstop
        BOI22:30
        Seattle - Boise|Sun, Sep 6|Delta Air Lines
        US$192
        Search
        US$192
      • SEA19:50
        1h 40m
        Nonstop
        BOI22:30
        Seattle - Boise|Mon, Sep 7|Delta Air Lines
        US$193
        Search
        US$193
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Sat, Aug 29|Delta Air Lines
        US$236
        Search
        US$236
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Mon, Aug 31|Delta Air Lines
        US$236
        Search
        US$236
      • SEA19:50
        1h 40m
        Nonstop
        BOI22:30
        Seattle - Boise|Sat, Sep 5|Delta Air Lines
        US$244
        Search
        US$244
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Mon, Aug 24|Delta Air Lines
        US$296
        Search
        US$296
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Tue, Aug 25|Delta Air Lines
        US$296
        Search
        US$296
      • SEA21:20
        1h 33m
        Nonstop
        BOI23:53
        Seattle - Boise|Mon, Aug 17|Delta Air Lines
        US$347
        Search
        US$347
      • SEA13:55
        20h 34m
        1 stops
        BOI11:29
        Seattle - Boise|Thu, Aug 20|Delta Air Lines
        US$157
        Search
        US$157
      • SEA13:00
        20h 34m
        Nonstop
        BOI14:00
        Seattle - Boise|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL4090

    Delta Air Lines

    21:25

    SEA

    1.4h

    Nonstop

    23:52

    BOI

    S - - W T - S
    Search

  2. DL4127

    Delta Air Lines

    14:45

    SEA

    1.6h

    Nonstop

    17:19

    BOI

    S M T W T F S
    Search

  3. DL3692

    Delta Air Lines

    17:45

    SEA

    1.5h

    Nonstop

    20:17

    BOI

    S M T W T F S
    Search

  4. DL3688

    Delta Air Lines

    16:10

    SEA

    1.6h

    Nonstop

    18:48

    BOI

    S M T W T F S
    Search

  5. DL2543

    Delta Air Lines

    13:55

    SEA

    2.9h

    Nonstop

    17:48

    DEN

    S M T W T F S
    Search

  6. F93933

    Frontier Airlines

    09:55

    DEN

    2.1h

    Nonstop

    12:04

    BOI

    - M - W - - S
    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: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long is a flight from Seattle to Boise?

    It takes about 1 hour 32 minutes to fly from Seattle to Boise.

  • 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 90 flight per week flying from Seattle to Boise. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL3750 (07:24)

  • 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 August flight calendar, it's currently cheapest to fly from Seattle to Boise on August 25, 2026 with Alaska Airlines, with prices starting at US$150.

  • 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.