$41 Find Cheap Flights from North America to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$55
Overall average: $148
Frontier
Mon 2/16Fri 2/20
DEN - SAN • Non-stop
Cheapest one-way
$41
Typical prices: $94-$177
Frontier
Thu 3/5
DEN - SAN • Non-stop
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Flight Deals

Cheap Flights from North America to San Diego

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from North America to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from North America to San Diego

Mon, Feb 16 - Fri, Feb 20
Frontier Logo
6:00 am - 7:40 am
DEN
-
SAN
2h 40mnonstop
Frontier Logo
6:25 am - 10:00 am
SAN
-
DEN
2h 35mnonstop
$55Frontier
Thu, Mar 26 - Mon, Mar 30
Frontier Logo
6:52 pm - 8:33 pm
DEN
-
SAN
2h 41mnonstop
Frontier Logo
9:18 pm - 12:47 am
SAN
-
DEN
2h 29mnonstop
$56Frontier
Fri, Feb 20 - Sun, Feb 22
Southwest Logo
4:30 pm - 6:05 pm
SFO
-
SAN
1h 35mnonstop
Southwest Logo
6:25 am - 8:15 am
SAN
-
SFO
1h 50mnonstop
$117Southwest
Wed, Feb 11 - Wed, Feb 11
Southwest Logo
8:15 am - 2:45 pm
SFO
-
SAN
6h 30m
2 stops
Southwest Logo
5:25 pm - 9:20 pm
SAN
-
SFO
3h 55m
1 stop
$122Southwest
Thu, Feb 19 - Wed, Feb 25
Alaska Airlines Logo
6:40 am - 8:18 am
SFO
-
SAN
1h 38mnonstop
Alaska Airlines Logo
10:09 pm - 11:59 pm
SAN
-
SFO
1h 50mnonstop
$126Alaska Airlines
Tue, Mar 3 - Wed, Mar 11
Alaska Airlines Logo
3:07 pm - 5:52 pm
ORD
-
SAN
4h 45mnonstop
Alaska Airlines Logo
5:42 pm - 11:59 pm
SAN
-
ORD
4h 17mnonstop
$157Alaska Airlines
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
7:50 pm - 10:26 pm
ORD
-
SAN
4h 36mnonstop
American Airlines Logo
10:35 pm - 4:39 am
SAN
-
ORD
4h 04mnonstop
$158American Airlines
Wed, Apr 22 - Sat, Apr 25
American Airlines Logo
8:45 pm - 11:16 pm
ORD
-
SAN
4h 31mnonstop
American Airlines Logo
3:07 pm - 9:28 pm
SAN
-
ORD
4h 21mnonstop
$161American Airlines
Sat, Feb 7 - Fri, Feb 13
Delta Logo
5:10 pm - 8:50 pm
BOS
-
SAN
6h 40mnonstop
Delta Logo
9:55 pm - 6:25 am
SAN
-
BOS
5h 30mnonstop
$232Delta
Sat, Feb 14 - Wed, Feb 25
Delta Logo
5:13 pm - 11:02 pm
IAD
-
SAN
8h 49m
1 stop
Delta Logo
10:59 am - 11:10 pm
SAN
-
IAD
9h 11m
1 stop
$257Delta
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$41
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Denver to San Diego

Flights from North America to San Diego: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from North America to San Diego 
JamesFlew with Alaska Airlines
MCO
-
SAN
Jan 2026
My advise is to pack lightly to avoid paying for the cost of one bag in the amount of 35 dollars. The amount isn't the worst I've paid, for my traveling bag but so many individuals used the overhead luggage rack as well as a back pack that didn't pay for transporting a large suitcase that I intend to do the same in the future.
Verified travelerFlew with Alaska Airlines
BOI
-
SAN
Jan 2026
Since I flew First Class I really have no advice! Everything was perfect! The ticketing agents were fantastic, flew through TSA Precheck, great announcements at the gate, quick boarding. My only suggestion is to check First Class prices before committing to the very expensive baggage fees and choosing a seat fee!!!
MatthewFlew with Southwest
DAL
-
SAN
Jan 2026
If you have Pre-Check don't even worry about getting to the airport early.
EricFlew with Alaska Airlines
SBP
-
SAN
May 2025
SBP gets busy in the early morning with several flights departing between 6am and 7am. Arriving early will avoid stress.
CaseyFlew with Scandinavian Airlines
LAX
-
SAN
May 2025
Better concession options on other terminals than 3, if you’re flying Delta. Explore if you have time.
HowardFlew with Alaska Airlines
JFK
-
SAN
May 2025
Must have a tablet to watch videos. Bring a seat cushion.
Verified travelerFlew with Alaska Airlines
EWR
-
SAN
Feb 2025
My flight was not delayed, but my family had a flight earlier in the week that was, by 5 hours. My daughter says she'll never book a late afternoon flight as they seem most likely to be delayed. I personally like the timing and usually they cost less. Also, get on the plan with fully charged devices or a non-electronic form on entertainment.
MichaelFlew with Southwest
LAS
-
SAN
Jan 2025
It’s a quick flight and sometimes turbulent leaving the desert. You may not get drinks service due to the brief flight time and safety measures.
Verified travelerFlew with Alaska Airlines
HNL
-
SAN
Dec 2024
Get there a couple hours early. TSA is not the best organized. The security line took us about 50 minutes to an hour.
Verified travelerFlew with American Airlines
DFW
-
SAN
Dec 2024
Bring a neck pillow and if your over 6 ft tall spend the money for exit row. Other customers are not curteous
OksanaFlew with Alaska Airlines
GEG
-
SAN
Feb 2025
Arrive early, the registration kiosks may not work and registration will take more than an hour.
Verified travelerFlew with Alaska Airlines
STS
-
SAN
Oct 2024
An hour before flight was enough time for departing from Santa Rosa. (I doubt anyone is at the airport and working at 4:30am).
Verified travelerFlew with Alaska Airlines
TPA
-
SAN
Sep 2024
Alaska airline has great food but small portions and sometimes isn’t aware of your pre-order, so bring your own just in case!
Verified travelerFlew with Alaska Airlines
JFK
-
SAN
Oct 2024
Landing in La Guardia or Newark (New Jersey) is more convenient for commuting to Manhattan.
RebeccaFlew with Alaska Airlines
IAD
-
SAN
Sep 2024
Get something to eat in the airport, just in case there is no food onboard.
KeturahFlew with Air Canada
YVR
-
SAN
Nov 2024
Bring very small luggage- it’s a small plane.
JamesFlew with Alaska Airlines
SJC
-
SAN
Jun 2024
It’s pretty simple there. It’s one of the better airports.TSA has never been a problem for me there it moves and is mostly efficient… I was happy that we didn’t have to takeoff our shoes, which surprised me. They’re always seems to be long walk to the gates coming and going not sure why that is
Verified travelerFlew with Alaska Airlines
OGG
-
SAN
Jun 2024
The exiting gates and boarding connecting flights are very close, always bring an empty water container that you can fill in the airport filtered water dispensers bring your own favorite food
Verified travelerFlew with Alaska Airlines
PDX
-
SAN
Jul 2024
Definitely arrive the 2 hours before your flight or you will have no extra time before boarding. Wear comfortable walking shoes.
CarolFlew with Alaska Airlines
BOS
-
SAN
Jul 2024
Bring your own entertainment (book, puzzles, devices). T mobile offers free internet with Alaska!
FelipeFlew with Delta
DTW
-
SAN
Jun 2024
Make sure you know where you are going it’s a big airport… if you fly delta you can ride the tram inside to get to your gate if it is far away.
BerniceFlew with Alaska Airlines
EWR
-
SAN
Jun 2024
Give yourself plenty of time to get through security.
Joo YoungFlew with Alaska Airlines
SMF
-
SAN
Jul 2024
Make sure your seat can recline when you board!
Verified travelerFlew with Alaska Airlines
HNL
-
SAN
May 2024
Don't use a small water bottle. Get a big one and fill it prior to boarding so you can keep hydrated better.
JustinFlew with Southwest
AUS
-
SAN
May 2024
GET TSA - PRECHECK AND CLEAR. IT'S CHEAPER WITH THE AMEX GREEN OR AMEX PLAT.
LorraineFlew with Alaska Airlines
MCO
-
SAN
Mar 2024
Do get there 2 hrs. ahead as security lines can be long.
LisaFlew with Alaska Airlines
EUG
-
SAN
May 2024
Be sure your carry on fits in the bins before getting on- big rollers are difficult to get into small Horizon Air bins
JoonwonFlew with Alaska Airlines
SJC
-
SAN
Apr 2024
The airplane is a quite small one, compared to the regular size, so pls be ready for some restrictions on carry on bags.
Verified travelerFlew with Alaska Airlines
AUS
-
SAN
Apr 2024
Austin check in is long, make sure to come early to allow for the crowded lines.
Verified travelerFlew with Alaska Airlines
BOS
-
SAN
Mar 2024
Be prepared to wait in long line for shuttle to car rental complex.
FranciscoFlew with Alaska Airlines
MCO
-
SAN
May 2024
Make sure to read all the disclaimer disclosures before booking.
MichaelFlew with Alaska Airlines
OGG
-
SAN
Mar 2024
Get to the airport extra early for a Hawaii flight.
Verified travelerFlew with Alaska Airlines
EWR
-
SAN
Feb 2024
Allow time for TSA (I had) or figure out the priority boarding (I didn't but will look into it for future flights), I thought they were pretty inefficient. A guy behind me was freaking out because he was going to miss his flight and a bunch of us let him cut the line in hopes he could make it.
JosephFlew with Delta
LAS
-
SAN
Feb 2024
Your seat selection may be changed at check-in and you may not be able to change your seat to what you originally selected while booking so be aware of this possible issue.

FAQs for booking flights from North America to San Diego

  • How does KAYAK find such low prices on flights from North America to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from North America to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from North America to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from North America is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from North America to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to North America with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from North America to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from North America up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from North America to San Diego

 
Need help choosing which airline to fly with from North America to San Diego? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4261 reviews
8.0Comfort
7.0Food
8.6Crew
8.1Boarding
7.5Entertainment
Airline reviews

3 hour delay. Had to change plans and was still delayed.

2.0 MediocreAnonymous, Jan 2026
SFO - SAN
Read more Southwest reviews

3 hour delay. Had to change plans and was still delayed.

The flight crew was extremely rude and especially not helpful when our flight was delayed.

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

Still a fan of open seating. Flight was on schedule and arrived on time. The 737 MAX is very comfortable.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Connecting flight is on time and boarding was a breeze!

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

I enjoyed the Starlink access but didn't have much time to use it. It also kept dropping me so I gave up. The food was very good though when I asked for a different "dessert" they didn't have anything. Chocolate Brownie Cookies are not suitable for everyone...maybe children. The flight staff were amazing - at least in First Class! My first time ever! The trip from Boise to San Diego was FAR better than going to Boise.

I was disheartened that AlaskaAir would not accept my service dog and not only was I not able to have him on my lap for my anxiety but they charged $100 and made me keep him in a carrier - zippered up so not even his head was exposed. This is a disservice to people with disabilities and will never fly with this airline again.

One of the flight attendants treated my grandma who is 77 years old badly and would respond sarcastically. Example my grandma "do you have and honey by any chance" the flight attendant "does this look like a restaurant to you. She was also very rude to myself and my children giving us attitude and being sarcastic when answering.

we waited for 50 minutes to check a bag and missed a flight. do better.

The flight crew was very professional and pleasant. Our flight was delayed 3 hours, but Kayak informed me in advance

I really hate the seat assignment at the gate. I understand it is so families can sit together but it caused me and others a lot of unnecessary stress and confusion, enough for me to not fly Alaska again. The app is so awful that it did not even update my seat assignment on the boarding pass but sent me a notification of my seat... it showed in Apple Wallet but not in the Alaska app itself. That only made the stress worse. I think most people like myself prefer to know where they are seated at check in 24 hours before so they don't have to anxiously hang out at the gate the entire time. This is not a good use of your agents time either to be dealing with all of us asking where we are sitting. You should automatically assign the multiple seat purchases to be together before they check in and fill us solo travelers in those gaps as we check in.

Alaska Airlines have beautiful new airplanes that have comfortable seats but tight for a tall person like myself. They do provide upgrades to flyers but at a $140 cost. My flight went smooth and prompt as well as without a hitch. The flight crew were warm and friendly as well as very attentive. I'd recommend this airline over Frontier airlines any day.

Did not like that every price option offered, even the more expensive one, required I pay for my seat. My seat was changed without my consent My TSA did not show in Boarding Pass

Boarding passes could not be received online, even after online check-in. While they appeared on the Alaska.com app, they did not transfer to inbox or messages and were not available at all on the Alaska.com app following the check-in process. There was no choice other than to get boarding passes at the airport counter.

Poor, the last leg of our trip was cancelled and we didn't know about it until we arrived at the airport. Another flight on the same airline was not available until three days later which would have ruined our vacation. Luckily we were able to get re-blooked on another airline after spending hours at the airport.

I usually get upgraded so my experience is usually amazing. I did not get upgraded this time - which was fine - but the wifi had issues, the monitors were going in & out, & (though not Delta's fault) one of the gentlemen next to me desperately needed a shower.

I really liked the legroom. I am 6’4”.a at For some reason our seats were not together and using the app to fix it didn’t work. Passengers were nice enough to move for us but you should absolutely ensure a parent sits with their child.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

The crew took good care of us. The flight from ATL to SFO is a longer one, and there were multiple beverage offerings. I like the 757's that Delta uses. Good airplane that is comfortable. I do wish Delta would separate Priority boarding from the better seats. I would gladly take a smaller seat in an open row than be jammed into Comfort just to get priority boarding, just to make sure I don't have to check a bag.

The crew was not very visible. This might be a good thing for people who wanted to sleep but seemed odd when compared to the Atlantic crossing where they are more present in the cabin. The Food (beef) was not good. Tough and tasteless. Would love to see more choices on a long flight like that.

Gate agent rushed to fill hot jetway with crowd so it took over 12 minutes to go from gate to plane. Just like a discount airline Pooly prepared cabin and third time that claim of rough air prevented any cabin service. Friends on a Southwest flight at similar time had service.

The flight crew was friendly. I tried to adjust my seat online ahead of time but no option existed without additional fees. My friend asked at the gate about a seat change and was able to make it happen. That was great! The flight crew moved a very tall gentleman and his companion which allowed us to have more space which was nice. Overall, good experience. Appreciated the blanket and pillow.

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Yet another flight in which beverage and snack service was skipped. Other that that, firmly mediocre. Landed early, to gate late due to congestion at the gates. Airline's fault or airports fault: unknown.

Both flights delayed. 2nd flight over 3 hours late mechanical issues

Flight was delayed 45 minutes because originating flight was coming from Newark. No complimentary snacks were offered on this 5+ hour flight. No screens for the flight, but movies offered if you had already downloaded the United app (which I hadn't on my ipad). No USB ports, only a flimsy plug-in port near the bottom of the seat that was hard to see and kept coming unplugged.

It was good but only meal served is very less. Meantime good to add rice and chicken in one of meal

Teeny tiny bathrooms, crew was not realistic about when we'd arrive.

On the way my flight entertainment wouldn’t work the screen went black and no matter how many times I tried to turn it on it wouldn’t. Food was surprisingly good but the tray tables were tiny so you couldn’t get anything else on the table. The seats hardly go back and are not overly comfortable. Wouldn’t fly United again.

Unbelievably poor service from flight attendants. They didn’t even do water service on a four hour flight. Just disrespectful.

Flight was late - I was downgraded from first class to coach

Movie selection is good. Crew did not understand mileage program and were no help. Sick later. Food?

United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.

Amazing I love American. I’ll never fly anyone else if I can help it.

Everything about the flight was lovely. My only suggestion would be to offer a few more options of tv series from Apple TV or HBO.

After the door had been closed, the cockpit makes an announcement that catering is running late and it is not the airline's fault. It is their fault in the sense that we had to sit for 2 hours or more when we could have stayed in the terminal. Poor communications between catering and airline. This caused a young man to lose his temper and he went storming out hitting objects. He had complained to the gate agent that he had already waited at the gate 7 hours and when can the airplane leave? Airilnes do a poor job of explaining delays, maintenance issues, etc. whereas being truthful may gain more sympathy or understanding.

We were told the flight was delayed 5 times, then it was moved to the next day.

The experience with American Airlines was good, although the Philippines Airlines flight was much better (better seats, better food, better entertainment options, overall better). Again, the MIA to LAX flight was fine, but nothing in comparison to the comfort and accommodations of the Philippines Airlines flight from LAX to MNL.

Loved the crew . Absolutely no complaints. Except for luggage lost

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

We are too tired and frustrated to comment politely at this point

The business class seats are dated and uncomfortable. The space is bare minimum and there is absolutely no privacy. For $4K, this is not what I expect.

The flight crew was rude. We were in first class and no one even offered water until an hour after we were in the air. Horrible experience

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