Find cheap airlines flights from Hartford to San Francisco

You can choose from 2 airlines that fly from Hartford to San Francisco, including Delta Air Lines, American Airlines, United Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Hartford to San Francisco according to previous 12 months data from Trip.com.

Find flight deals from Hartford to San Francisco for the next 3 months. Book one way flights from $169 or round trip flights from $278.

Displayed flight fares from Hartford to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Hartford to San Francisco

The distance between Hartford and San Francisco is approximately 4,218.87 km. It takes around 9 hours 30 minutes on average to fly from Hartford to San Francisco. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$118
Cheapest round-trip ticket price$278
Off-season for travelOctober
Peak season for travelJuly
Flight distance4,218.87 km
Average flight time9 hours 30 minutes
Popular airlineDelta Air Lines
Flight statistics for the Hartford–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Hartford to San Francisco (HFD-SFO)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $118 on Cheapest nonstop routes (e.g. BDL to SFO on Mon, Apr 20), while American Airlines offers Cheapest nonstop round-trips from $278 departing on Fri, Apr 24 and returning on Wed, Apr 29.
  • At the moment, several airlines serve connecting flights from Hartford to San Francisco, including: Delta Air Lines American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes around 9 hours 30 minutes to fly from Hartford (HFD) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hartford to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Hartford to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Apr 20, with one-way flights priced at just $118.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hartford to San Francisco is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Hartford to San Francisco on April 24, 2026 with American Airlines, with prices starting at $278.
  • You can land at any one of the following hubs in San Francisco, with Bradley International Airport to San Francisco International Airport (BDL-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Hartford is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.