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Flights from Seattle(SEA) to Mammoth Yosemite Airport(MMH)

Find Cheap Flights & Flights from Seattle(SEA) to Mammoth Yosemite Airport(MMH)

  • One way
  • Round-trip
      • SEA23:12
        39h 39m
        2 stops
        MMH14:51
        Seattle - Mammoth Lakes|Mon, Jan 19|American Airlines
        US$525US$603
        13% off
        13% off
        US$603US$525

      • SEA18:10
        20h 41m
        1 stop
        MMH14:51
        Seattle - Mammoth Lakes|Sat, Jan 31|American Airlines
        US$542US$603
        10% off
        10% off
        US$603US$542

      • SEA1:00 PM
        3h 5m
        Nonstop
        MMH2:00 PM
        Seattle - Mammoth Lakes|Tue, Jan 20|American Airlines
        Find more flights
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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 Mammoth Lakes

Flights from Seattle(SEA) to Mammoth Yosemite Airport(MMH) & Flight Info

Cheapest Flight PriceUS$663

Flights from Seattle(SEA) to Mammoth Yosemite Airport(MMH) & FAQ

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

    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 Mammoth Lakes 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.

  • When are flight tickets from Seattle (SEA) to Mammoth Lakes (MMH) the cheapest?

    The cheapest months to fly from Seattle to Mammoth Lakes is March, when demand for travel is lower.

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

    After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Seattle to Mammoth Lakes on January 25, 2026 with Hawaiian Airlines, with prices starting at US$969.

  • Is there any time difference between Seattle and Mammoth Lakes?

    The time difference between Mammoth Lakes and Seattle is 0h.

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

    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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Flights from Seattle(SEA) to Mammoth Yosemite Airport(MMH)

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