Both Delta and Alaska Airlines have round trip airfares travelling to and from San Diego (SAN) and Seattle (SEA) for $117, nonstop. These are basic economy fares, or Saver Fares is what Alaska is calling it.
These fares are available during other months but for peak summer travel, this is better than 'good'.
At Expedia, book a flight and hotel vacation in select cities nationwide and get the flight for free. That ties our mention from a October and yields some of the best discounts we've seen for vacations from Expedia. This sale includes vacation packages in Orlando, Las Vegas, Cancun, and more. Some exclusions and blackout dates apply.
Looks like a good deal to do some fun things on your vacation. Expedia has TONS of stuff to do. Best used with something around $40, but $30 will be also a good discount for the Theme parks. For example, SeaWorld Florida Park Tickets comes to $55 instead of usual $90.