Southwest has round-trip flights from Denver (DEN) to San Francisco, Minneapolis, Kansas City, or El Paso (SFO, MSP, MCI, ELP) for $97-$141, NONSTOP. Flights April to May. A few weekends available. Origin/Destination reversible.
Category: <span>San Francisco</span>
Image Credits: Bernt Rostad, Creative Commons 2.0
Image Credits: Bernt Rostad, Creative Commons 2.0
JetBlue, American Airlines, and Delta have round-trip flights from New York/Newark (JFK/EWR) to San Francisco, Los Angeles, San Diego, or Houston (SFO, LAX, SAN, IAH) for $177-$224, NONSTOP. Flights February to April. Most destinations have weekends available, except Houston which is mostly midweek. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
United and Alaska Airlines have round-trip flights from Portland (PDX) to San Francisco (SFO) for $53-$57, NONSTOP. Flights January to February. Weekends available.
Some small OTAs on Skyscanner have this for as low as $48; which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
This destination has been at this price since 01/04/2025 @ 05:44 PM CT.
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.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Bernt Rostad, Creative Commons 2.0
United has round-trip flights from Atlanta (ATL) to San Francisco (SFO) for $185, NONSTOP. Flights in February. No Sunday departures. Weekends available.
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.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Bernt Rostad, Creative Commons 2.0
JetBlue, Delta, United, and Alaska Airlines have round-trip flights from New York/Newark (JFK/EWR) to San Francisco or Seattle (SFO, SEA) for $197, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available.
JetBlue’s “Basic” fares allow for a carry-on bag and a small personal item (17 x 13 x 8 inches), like a Jansport SuperBreak backpack without a fee. You can avoid seat selection fees by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
Alaska Airlines has round-trip flights from Burbank or Santa Ana (BUR, SNA) to San Francisco (SFO) for $57, NONSTOP. Flights January to March. Weekends available.
Some small OTAs on Skyscanner have this for as low as $42, which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
Alaska Airlines has round-trip flights from Portland (PDX) to San Francisco (SFO) for $57, NONSTOP. Flights January to February. Weekends available.
Some small OTAs on Skyscanner have this for as low as $48; which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
American Airlines has round-trip flights from New York (JFK) to San Francisco (SFO) for $193-$202, NONSTOP. Flights January to March. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available.
A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
Southwest has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $114, NONSTOP. Flights January to March. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available.
Image Credits: Bernt Rostad, Creative Commons 2.0
Alaska Airlines has round-trip flights from Portland (PDX) to San Francisco (SFO) for $97, NONSTOP. Flights January to February. No Saturday departures. Weekends available.
Some small OTAs on Skyscanner and Trip.com have this for as low as $82; which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
United and Delta have round-trip flights from Seattle (SEA) to San Francisco (SFO) for $97-$106, NONSTOP. Flights November to December. Weekends available. Origin/Destination reversible. No Christmas dates available.
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.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Thomas Hawk, Creative Commons 2.0 (flickr)
Southwest has round-trip flights from Denver or Chicago (DEN, MDW) to Various destinations in the United States for $84-$132, NONSTOP or with a connection. Flights November to December. Very few weekends available. Origin/Destination reversible. No Christmas dates available.
When these type of “wide” sales happen, they are often matched by other airlines eventually.
If you like this style of report, it’s a subset of daily Patreon recap [link]. That recap is the unfiltered list of every fare that was priced below the 6-month moving average.
Image Credits: Ville-Matti Kaartinen, Creative Commons 2.0 (flickr)
Scandinavian Airlines has round-trip flights from Atlanta (ATL) to Copenhagen, Amsterdam, Athens, Barcelona, Dublin, Helsinki, London, Milan, Nice, Oslo, Rome, Stockholm, or Zurich for $396-$508. No Christmas dates available.
Some of these will require an overnight stopover in Copenhagen. See list.
Carry on bag with a maximum weight of 18 lbs is allowed for free on SAS. You can avoid seat selection fees by accepting the randomly assigned seat at the gate. Upgrading to a higher fare class that includes a full-size carry-on bag for about $35 may be cheaper than booking the discount fare with the added carry-on bag fee (for about $70).
Image Credits: Bernt Rostad, Creative Commons 2.0
United has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $107-$115, NONSTOP. Flights October to January. 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.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Most domestic carriers have round-trip flights to/from various destinations in the USA at a discount today for $107-$159, NONSTOP or with a connection. Dates vary, use the linked calendar. American and Southwest are mostly on Tuesdays, Wednesdays, and Saturdays. United has better weekend availability. Origin/Destination reversible.
This list intentionally excludes fares on LCC Breeze/Allegiant/Frontier/Spirit.
There are other destinations available that are priced higher than this range and those may be worthwhile for some of the small remote airports that have stops and don’t usually go on sale. They aren’t part of this list since we’re focusing on the cheapest routes.
When these type of “wide” sales happen, they are often matched by other airlines eventually.
If you like this style of report, it’s a subset of daily Patreon recap [link]. That recap is the unfiltered list of every fare that was priced below the 6-month moving average.
Image Credits: Bernt Rostad, Creative Commons 2.0
Delta and Alaska Airlines have round-trip flights from Seattle (SEA) to San Francisco, San Diego, San Jose, Phoenix, Las Vegas, or Los Angeles (SFO, SAN, SJC, PHX, LAS, LAX) for $95-$97, NONSTOP. Flights October to February. Weekends available. Origin/Destination reversible.
Delta fares have weekends available and have better availability than the Alaska Airlines sale.
For Alaska Airlines, use code: WESTCOAST30. The 30% off discount is restricted to midweek, Tuesdays / Wednesdays.
A Carry-on bag and also a personal item is allowed for free on Delta. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
Southwest has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $124, NONSTOP. Flights September to November. No Sunday departures. Weekends available. Origin/Destination reversible. No Thanksgiving dates.
Various carriers has round-trip flights to/from Europe at a discount today for $329-$630, NONSTOP or with a connection (see list on our website). Dates vary, use the calendar link in the post.
This list includes several discount LCC carriers. Those carriers may have additional fees for bags, seat, and meals.
Flights to/from smaller airports may require a long connection or two stops. When you begin your search, modify your filter to remove fares that have more than one connection, some of those smaller airports ONLY have flights with bad routing.
Some small OTAs on Skyscanner and Google have this for cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
Image Credits: Bernt Rostad, Creative Commons 2.0
Delta has round-trip flights from New York (JFK) to San Francisco, Seattle, or Portland, Oregon (SFO, SEA, PDX) for $197, NONSTOP. Flights September to December. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Christmas dates available.
A Carry-on bag and also a personal item is allowed for free on Delta. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Image Credits: Bernt Rostad, Creative Commons 2.0
Alaska Airlines and Delta have round-trip flights from Los Angeles (LAX) to San Francisco, Portland, or Seattle (SFO, PDX, SEA) for $68-$119, NONSTOP. Flights September to December. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Christmas dates available.
Some small OTAs on Skyscanner and Google have this for cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
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.