Find cheap airlines flights from San Diego to Hartford

You can choose from 2 airlines that fly from San Diego to Hartford, 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 San Diego to Hartford according to previous 12 months data from Trip.com.

Find flight deals from San Diego to Hartford for the next 3 months. Book one way flights from $252 or round trip flights from $260.

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

Flight Info | San Diego to Hartford

The distance between San Diego and Hartford is approximately 4,017.43 km. It takes around 8 hours 7 minutes on average to fly from San Diego to Hartford. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$146
Cheapest round-trip ticket price$260
Off-season for travelSeptember
Peak season for travelJuly
Flight distance4,017.43 km
Average flight time8 hours 7 minutes
Popular airlineDelta Air Lines
Flight statistics for the San Diego–Hartford route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Diego to Hartford (SAN-HFD)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $146 on Cheapest nonstop routes (e.g. SAN to BDL on Wed, Feb 25), while American Airlines offers Cheapest nonstop round-trips from $260 departing on Sat, Feb 7 and returning on Tue, Feb 10.
  • At the moment, several airlines serve connecting flights from San Diego to Hartford, 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 8 hours 7 minutes to fly from San Diego (SAN) to Hartford (HFD).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego to Hartford 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 San Diego to Hartford, 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 Wed, Feb 25, with one-way flights priced at just $146.
    · 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 Hartford travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Diego to Hartford is September, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from San Diego to Hartford on February 14, 2026 with Alaska Airlines, with prices starting at $333.
  • You can land at any one of the following hubs in Hartford, with San Diego International Airport to Bradley International Airport (SAN-BDL) is by far the most common option on this route: Bradley International Airport (BDL).
  • The time difference between Hartford and San Diego 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.