Experience convenient travel between two West Coast hubs as United, Alaska, and Delta Air Lines offer budget-friendly round trip airfares for nonstop flights between San Francisco (SFO) and Seattle (SEA). These are Basic Economy fares. Here’s what you need to know:
- These nonstop flights start at $97 per ticket, making it an affordable option for travelers.
- Travel on Alaska Airlines or Delta Air Lines allows for one personal item and a carry-on bag. However, United’s Basic Economy only permits a personal item.
- Seat selection and changes are not included in the price of these tickets.
With travel availability from April 6th to May 2026 (specific dates: SFO departures on April 6-9, 13-16, 21), this deal offers flexibility for those planning spring or early summer trips. Book now and enjoy your round trip adventure between San Francisco and Seattle!






