Today only! Alaska Airlines is having a flash sale valid for purchase through 11:59 pm PT, tonight, September 4. Travel is available through mid-December or early March depending on the route.

If you like something you see, book quickly. You'll have a day to think about your plans. If things don't work out, you can cancel within 24-hours of booking.

Most routes are valid for travel on Tuesdays, Wednesdays, and Saturdays, through December 12, 2018, with a 21-day advance purchase required. Routes to/from Mexico or Hawaii are valid for travel through March 6, 2019.

Travel to/from Hawaii is valid on Mondays, Tuesdays, Wednesdays, and Thursdays. Travel dates to/from Mexico vary by route. Avoid blackout dates of November 15-29, December 18, 2018 - Jan. 7, 2019, and February 14-25, 2019. Other airlines may be matching prices.

Tickets must be booked by 11:59 pm PT, tonight, September 4.

A sample of nonstop fares include:

Los Angeles to Las Vegas $97 roundtrip

Boise to Salt Lake City $102 roundtrip

Boise to Reno $112 roundtrip

San Francisco to San Diego $117 roundtrip

Los Angeles to San Jose $117 roundtrip

Sacramento to San Diego $121 roundtrip

Portland to Seattle $127 roundtrip

Oakland to Seattle $137 roundtrip

Burbank to Portland $137 roundtrip

Fresno to San Diego $137 roundtrip

Seattle to Los Angeles $157 roundtrip

San Francisco to Palm Springs $157 roundtrip

Portland to Kalispell $177 roundtrip

Seattle to Calgary $188 roundtrip

Kansas City to Seattle $197 roundtrip

Dallas to Seattle $197 roundtrip

Newark to San Jose $197 roundtrip

San Francisco to Raleigh $197 roundtrip

Chicago to Portland $217 roundtrip

Los Angeles to Cabo San Lucas $218 roundtrip

New York to San Francisco $253 roundtrip

Washington D.C. to Los Angeles $257 roundtrip

Anchorage to Juneau $277 roundtrip

Pittsburgh to Seattle $297 roundtrip

Oakland to Maui $357 roundtrip

San Francisco to Honolulu $357 roundtrip

San Diego to Kauai $357 roundtrip

Anchorage to Kona $436 roundtrip

There are many more routes available and domestic fares work in reverse as well.

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