Expires Jun 30, 2026. Where applicable discount applies to service fees for qualified airline tickets. Amount of service fee discount varies: maximum savings of $10 per person applied to bookings from one (1) traveler up to five (5) travelers; the maximum discount applied is $50. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. Promo code only applicable for bookings created over the phone through our call center.
20+ Years of ExperienceHelping 40M+ travelers worldwide Partnered with 1M+ verified hotels
24/7 Travel AdvisorsPersonalized planning and real human support, anytime
Upfront PricingOur prices include taxes and fees
Members Save MoreJoin ClubMiles rewards program and save on every booking

Sign up now and level up your travel experience.
Savings Unlocked!

By signing up, you agree to receive marketing emails from OneTravel (Fareportal).

When it comes to finding affordable flights to San Francisco, the journey begins with the right search strategy.
When to Book Cheap Flights
Understanding the timing for booking your flight can help you take a budget-friendly trip.
Airlines Known for Affordable San Francisco Flights
Certain airlines are renowned for offering affordable flights to San Francisco. Keep an eye on carriers like Southwest, JetBlue, and Alaska Airlines, which frequently provide competitive fares.
Top 5 airlines flying to San Francisco
| Our Cheapest Fare: | |
|---|---|
| Airline | Description |
| Delta Air Lines | Major U.S. carrier with domestic and international flights from SFO. |
| United Airlines | Another major U.S. carrier with a hub at SFO, offering domestic and international flights. |
| American Lines | Operates flights to SFO from various U.S. cities and international destinations. |
| Southwest Airlines | Known for its extensive domestic network, connecting various U.S. cities to SFO. |
| Virgin Atlantic | An international carrier with flights connecting SFO to the United Kingdom and other destinations. |
It's advisable to verify the most current flight options when planning your trip to San Francisco.
Tips for finding cheap flights to San FranciscoRemember that finding cheap flights may require some patience and flexibility. Use these tips to your advantage and start your search well in advance to increase your chances of finding a great deal to San Francisco.
Read more
Daniel Brown · Apr 22, 2026Read more
Sophia Martinez · Apr 22, 2026Read more
Benjamin Roberts · Apr 22, 2026Read more
Michael Harris · Apr 22, 2026| Weekly Non Stop Flights: | 1294 Flights Weekly |
|---|---|
| Popular Airlines: | American Airlines, Alaska Airlines, United Airlines |

We offer a number of discount and savings opportunities to our customers. When searching for airfares, discount and savings claims are based on multiple factors, including searching over 500 airlines to find the available fare. Coupon codes are valid for savings for qualified bookings off our service fees. Seniors and youth may find specific discounted fares offered by certain airlines subject to airline qualifications. Military, bereavement and visually impaired travelers are eligible for discounts off our post-booking service fees as outlined in our compassion exception policy.
* Unless otherwise noted, fares are one way/roundtrip. Fares include all fuel surcharges, taxes & fees and our service fees . Displayed fares are based on historical data, are subject to change. Tickets are nonrefundable, nontransferable, non-assignable and subject to airline restrictions. Name changes are not permitted. There is a higher probability of seats at the stated fare being available on Tuesday, Wednesday and Thursday, and it may require an advance purchase of up to 21 days and/or a Saturday night stay at the destination. Certain blackout dates may apply. Holidays and weekend travel may have a surcharge. See Terms and conditions for other restrictions..

© 2008-2026 WK Travel, Inc. All rights reserved. California: CST #2090295-40, Washington: SOT #602785938, Florida: SOT #ST38063, Hawaii: SOT #13234761