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Flights from Redmond to San Jose

Search cheap flights from Redmond to San Jose in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$378, and round-trip tickets start at US$422.

      • RDM 18:55
        11h 20m
        1 stop
        SJO 07:15
        Redmond - San Jose | Fri, May 22 | United Airlines
        SJO 08:45
        15h 14m
        1 stop
        RDM 22:59
        San Jose - Redmond | Sat, May 30 | United Airlines
        US$422 US$727
        42% off
        42% off
        US$727 US$422
      • RDM 18:55
        11h 20m
        1 stop
        SJO 07:15
        Redmond - San Jose | Thu, May 21 | United Airlines
        SJO 08:45
        15h 14m
        1 stop
        RDM 22:59
        San Jose - Redmond | Sun, May 24 | United Airlines
        US$455 US$727
        37% off
        37% off
        US$727 US$455
      • RDM 05:35
        24h 40m
        1 stop
        SJO 07:15
        Redmond - San Jose | Sun, May 17 | United Airlines
        SJO 08:45
        13h 4m
        1 stop
        RDM 20:49
        San Jose - Redmond | Wed, May 20 | United Airlines
        US$459 US$727
        37% off
        37% off
        US$727 US$459
      • RDM 05:35
        24h 40m
        1 stop
        SJO 07:15
        Redmond - San Jose | Sat, May 23 | United Airlines
        SJO 08:45
        15h 14m
        1 stop
        RDM 22:59
        San Jose - Redmond | Sat, May 30 | United Airlines
        US$471
        35% off
        US$727 US$471
      • RDM 13:31
        9h 14m
        1 stop
        SJO 23:45
        Redmond - San Jose | Mon, May 18 | Alaska Airlines
        SJO 00:55
        23h 31m
        1 stop
        RDM 23:26
        San Jose - Redmond | Mon, May 25 | Alaska Airlines
        US$479
        34% off
        US$727 US$479
      • RDM 05:35
        24h 40m
        1 stop
        SJO 07:15
        Redmond - San Jose | Tue, May 19 | United Airlines
        SJO 08:45
        28h 9m
        1 stop
        RDM 11:54
        San Jose - Redmond | Tue, May 26 | United Airlines
        US$485
        33% off
        US$727 US$485
      • RDM 06:00
        24h 15m
        1 stop
        SJO 07:15
        Redmond - San Jose | Mon, Jun 15 | United Airlines
        SJO 08:45
        28h 27m
        1 stop
        RDM 12:12
        San Jose - Redmond | Mon, Jun 22 | United Airlines
        US$492
        32% off
        US$727 US$492
      • RDM 18:55
        11h 20m
        1 stop
        SJO 07:15
        Redmond - San Jose | Mon, May 18 | United Airlines
        SJO 00:55
        23h 31m
        1 stop
        RDM 23:26
        San Jose - Redmond | Mon, May 25 | Alaska Airlines
        US$495
        32% off
        US$727 US$495
      • RDM 15:51
        14h 24m
        1 stop
        SJO 07:15
        Redmond - San Jose | Wed, Jun 10 | United Airlines
        SJO 08:45
        15h 14m
        1 stop
        RDM 22:59
        San Jose - Redmond | Wed, Jun 17 | United Airlines
        US$518
        28% off
        US$727 US$518
      • RDM 13:49
        16h 26m
        1 stop
        SJO 07:15
        Redmond - San Jose | Sun, Jun 7 | United Airlines
        SJO 08:45
        15h 14m
        1 stop
        RDM 22:59
        San Jose - Redmond | Sun, Jun 14 | United Airlines
        US$596
        18% off
        US$727 US$596
      • RDM 13:00
        17h 25m
        1 stop
        SJO 14:00
        Redmond - San Jose | Sun, May 17 | Normal Airline
        SJO 15:00
        6h
        Nonstop
        RDM 16:00
        San Jose - Redmond | Tue, May 19 | Normal Airline
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      • RDM 18:55
        11h 20m
        1 stop
        SJO 07:15
        Redmond - San Jose | Sun, May 31 | United Airlines
        US$378 US$671
        44% off
        44% off
        US$671 US$378
      • RDM 18:09
        28h 6m
        1 stop
        SJO 23:15
        Redmond - San Jose | Wed, Jul 8 | Alaska Airlines
        US$550 US$671
        18% off
        18% off
        US$671 US$550
      • RDM 13:00
        17h 25m
        1 stop
        SJO 14:00
        Redmond - San Jose | Sun, May 17 | Normal Airline
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Displayed flight fares from Redmond to San Jose are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Redmond to San Jose (RDM-SJO)?

    Based on Trip.com data, United Airlines offers one-way fares as low as US$378 on Cheapest nonstop routes (e.g. RDM to SJO on Sun, May 31), while United Airlines offers Cheapest nonstop round-trips from US$422 departing on Fri, May 22 and returning on Sat, May 30.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Redmond to San Jose 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.
  • To find best deals on flights from Redmond to San Jose, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, May 31, with one-way flights priced at just US$378.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Jose travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Redmond to San Jose is November, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Redmond to San Jose on May 18, 2026 with United Airlines, with prices starting at US$484.
  • The time difference between San Jose and Redmond is 2h.
  • 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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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.