Alaska Airlines has round-trip flights from Seattle (SEA) to San Diego (SAN) for $127, NONSTOP. Flights in October. Extended weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Frontier has round-trip flights from Phoenix (PHX) to San Diego, Los Angeles, or Salt Lake City (SAN, LAX, SLC) for $38-$43, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Frontier fares do not include a free carry-on bag. Only a small personal item, like a Jansport SuperBreak backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.
Frontier seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines.
United has round-trip flights from Denver (DEN) to San Diego, Salt Lake City, Nashville, St. Louis, Milwaukee, San Francisco, Grand Rapids, or Detroit (SAN, SLC, BNA, STL, MKE, SFO, GRR, DTW) for $99-$159, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
Alaska Airlines has round-trip flights from Portland (PDX) to San Diego or Los Angeles (SAN, LAX) for $118-$138, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Frontier has round-trip flights from Phoenix (PHX) to San Diego (SAN) for $38-$43, NONSTOP. Flights in September. Departures on Tuesday, Wednesday, and Saturday. Very few extended weekends available. Origin/Destination reversible.
Alaska Airlines, JetBlue, and United have round-trip flights from New York/Newark (JFK/EWR) to San Diego (SAN) for $158-$193, NONSTOP. Flights August to December. Weekends available. Origin/Destination reversible. No Christmas dates available.
American Airlines has round-trip flights from Phoenix (PHX) to San Diego, Nashville, or Houston (SAN, BNA, IAH) for $121-$165, NONSTOP. Flights August to January, December, or March (varies depending on destination, see updated link list). Extended weekends available. Origin/Destination reversible.
Alaska Airlines has round-trip flights from Portland (PDX) to San Diego (SAN) for $158-$168, NONSTOP. Flights May to June. Extended weekends available. Origin/Destination reversible.
Alaska Airlines and Delta have round-trip flights from Seattle (SEA) to San Diego or Santa Rosa (SAN, STS) for $138-$158, NONSTOP. Flights in May. Extended weekends available. Origin/Destination reversible.
Santa Rosa has less availability than San Diego.
Frontier has round-trip flights from Phoenix (PHX) to San Diego (SAN) for $38-$47, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
American Airlines has round-trip flights from Chicago (ORD) to San Diego (SAN) for $178, NONSTOP. Flights March to May. Departures on Tuesday and Saturday. Extended weekends available. Origin/Destination reversible.
Alaska Airlines has round-trip flights from Seattle (SEA) to San Diego, Salt Lake City, Cleveland, Santa Barbara, Cincinnati, and Santa Ana (SAN, SLC, CLE, SBA, CVG, SNA) for $138-$188, NONSTOP. Flights February to March. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. Origin/Destination reversible.
United and Alaska Airlines have round-trip flights from Newark/New York (EWR/JFK) to San Diego or Portland, Oregon (SAN, PDX) for $178-$188, NONSTOP. Flights January to March. Extended weekends available. Origin/Destination reversible.
Note: Discounted San Diego flights are on United via EWR.
Carry-on bag is allowed for free on Alaska Airlines.
Alaska Airlines and United have round-trip flights from New York/Newark (JFK/EWR) to San Diego or Portland, Oregon (SAN, PDX) for $198-$238, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Alaska Airlines has round-trip flights from Portland (PDX) to Las Vegas, Reno, San Diego, Denver, Boise, or Fresno (LAS, RNO, SAN, DEN, BOI, FAT) for $118-$178, NONSTOP. Flights September to December. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Holidays.
JetBlue, Alaska Airlines, and Delta have round-trip flights from New York (JFK) to San Diego (SAN) for $218, NONSTOP. Flights September to February. Weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Delta and Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
JetBlue’s “Basic” fares only allow a small personal item (17 x 13 x 8 inches), like a Jansport SuperBreak backpack without a fee. A regular sized carry-on bag will incur a bag fee. To avoid bag fees, consider using the JetBlue Plus credit-card for the free checked-bag perk.
American Airlines has round-trip flights from Phoenix (PHX) to San Diego (SAN) for $138, NONSTOP. Flights September to October. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available.
Main Cabin. Not Basic. A Carry-on bag, personal item, and seat selection is allowed for free on American.
United has round-trip flights from Los Angeles (LAX) to San Diego (SAN) for $118, NONSTOP. Flights April, May, June, August, September, October, November, December, and January. Weekends available.
You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Delta, jetBlue, and Alaska Airlines have round-trip flights from New York (JFK) to San Diego or Denver (SAN, DEN) for $147, NONSTOP. Flights January to March. Very few weekends available. Origin/Destination reversible.
Carry-on bag is allowed for free on Delta and Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Delta has round-trip flights from Los Angeles (LAX) to San Diego (SAN) for $117, NONSTOP. Flights October to August. Weekends available.
