BIH to SEA, Eastern Sierra Regional Airport to Seattle–Tacoma International Airport Cheap Flights

Based on HopeGoo data, United Airlines offers one-way fares as low as US$379 on Cheapest nonstop routes (e.g. BIH to SEA on Thu, Apr 2), while United Airlines offers Cheapest nonstop round-trips from US$505 departing on Thu, Mar 12 and returning on Sun, Mar 15.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Bishop 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.

To find best deals on flights from Bishop 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$379. · 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 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 September. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Bishop to Seattle is December, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Bishop to Seattle on March 12, 2026 with United Airlines, with prices starting at US$505.

The time difference between Seattle and Bishop is 0h.

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