SAN - BWI

$80 Find Cheap Flights from San Diego to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Baltimore departing on 2/18. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Baltimore.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Baltimore.
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Everything you should know

Cheapest round-trip
$191
Overall average: $390
Frontier
Wed 2/11Wed 2/18
SAN - BWI • 1 stop
Cheapest non-stop
$277
Typical prices: $292-$497
Southwest
Tue 1/20Tue 1/27
SAN - BWI • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest's two free checked bags benefit luggage-heavy travelers.
BWI's easy access to Baltimore via light rail is cost-effective.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Baltimore
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Top airlines
Delta
Cheapest • from $276 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
August
Cheapest • 23% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
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+1
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We hope you love your trip to Baltimore!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from San Diego to Baltimore (SAN-BWI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Baltimore 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 San Diego to Baltimore

Wed, Feb 11 - Wed, Feb 18
Frontier Logo
9:45 am - 11:17 am
SAN
-
BWI
22h 32m1 stop
Frontier Logo
6:50 pm - 7:40 am
BWI
-
SAN
39h 50m2 stops
$191Frontier
Wed, Feb 18 - Mon, Feb 23
Frontier Logo
9:45 am - 11:17 am
SAN
-
BWI
22h 32m1 stop
Frontier Logo
12:12 pm - 11:52 pm
BWI
-
SAN
14h 40m2 stops
$199Frontier
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
6:54 am - 7:23 am
SAN
-
BWI
21h 29m2 stops
Frontier Logo
12:34 pm - 12:11 am
BWI
-
SAN
14h 37m1 stop
$211Frontier
Wed, Jan 14 - Sun, Jan 18
Frontier Logo
12:00 pm - 9:09 am
SAN
-
BWI
18h 09m2 stops
Frontier Logo
12:42 pm - 12:24 am
BWI
-
SAN
14h 42m1 stop
$213Frontier
Tue, Jan 13 - Sun, Jan 18
Multiple Airlines Logo
12:00 pm - 10:27 am
SAN
-
BWI
19h 27m2 stops
Multiple Airlines Logo
12:42 pm - 12:24 am
BWI
-
SAN
14h 42m1 stop
$217Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
6:54 am - 11:39 am
SAN
-
BWI
25h 45m1 stop
Frontier Logo
12:34 pm - 12:11 am
BWI
-
SAN
14h 37m1 stop
$223Frontier
Wed, Jan 14 - Mon, Jan 19
Frontier Logo
12:00 pm - 9:09 am
SAN
-
BWI
18h 09m2 stops
Frontier Logo
12:34 pm - 12:11 am
BWI
-
SAN
14h 37m1 stop
$224Frontier
Tue, Jan 13 - Mon, Jan 19
Multiple Airlines Logo
12:00 pm - 10:27 am
SAN
-
BWI
19h 27m2 stops
Multiple Airlines Logo
12:34 pm - 12:11 am
BWI
-
SAN
14h 37m1 stop
$228Multiple Airlines
Wed, Feb 11 - Sun, Feb 15
Frontier Logo
9:45 am - 11:17 am
SAN
-
BWI
22h 32m1 stop
Frontier Logo
6:00 am - 7:25 pm
BWI
-
SAN
16h 25m2 stops
$235Frontier
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
6:54 am - 11:39 am
SAN
-
BWI
25h 45m1 stop
Multiple Airlines Logo
8:08 pm - 10:54 am
BWI
-
SAN
17h 46m2 stops
$242Multiple Airlines
Booking Insights

KAYAK's insights & trends for San Diego to Baltimore flights

Get data-powered insights and trends into flights from San Diego to Baltimore to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Baltimore
Find cheap flights to Baltimore

Planning a trip from San Diego to Baltimore? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from San Diego to Baltimore?

The average price of all round-trip flights from San Diego to Baltimore clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Baltimore on a Wednesday and more expensive on a Saturday. On your return trip to San Diego, you should consider flying back on a Tuesday, and avoid Saturdays for better deals.

What is the cheapest month to fly from San Diego to Baltimore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Baltimore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Diego to Baltimore is August, where tickets cost $307 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $473 and $467 respectively.

Can I save money by flying with a layover from San Diego to Baltimore?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $416, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from San Diego to Baltimore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Diego to Baltimore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Diego to Baltimore, you should book around 3 weeks before departure, which saves you about 16% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Expert advice

Expert advice for your flight from San Diego to Baltimore

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
SAN

Security lines at SAN are manageable even during peak times. Expect waits of 30-35 minutes, with shorter waits during off-peak hours.

BWI

BWI offers easy access to Baltimore via light rail, with a station just outside the terminal. It's a cost-effective option for reaching downtown.

Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Harriet Baskas

Harriet Baskas

Expert on BWI

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Good to know

Low seasonJanuary
Cheapest flight$80
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 18% increase in price.
Flight from San Diego to Baltimore

When to book flights from San Diego to Baltimore

Are your dates flexible? Find out the best times to travel from San Diego to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Diego to Baltimore

  • What different kinds of flights are usually offered between San Diego and Baltimore?

    Direct flights are typically not offered between San Diego and Baltimore. Instead, you can plan on having either one or two layovers. If you have one layover, your flight will typically be operated by Frontier or Delta. Your layover may take place in a city such as Atlanta or Las Vegas.

  • How do I go from the city center to San Diego International Airport?

    If you choose to drive from the city center to San Diego International Airport, you can expect the journey to last around 10 to 15 minutes unless there is extra congestion on the roads. Public transit is also an option, like bus line 992, which will bring you to the airport in approximately 15 to 20 minutes.

  • What transportation options are there for going from Baltimore/Washington International Thurgood Marshall Airport to the city center?

    You can always drive from Baltimore/Washington International Thurgood Marshall Airport to the city center, a trip that will take you around 25 to 30 minutes in total. Otherwise, you can opt for public transit, including bus line 75 and the MARC tram, which will bring you to central Baltimore in approximately 50 minutes.

  • Is it possible to rent a car from Baltimore/Washington International Thurgood Marshall Airport?

    If you would like access to your own vehicle, you can rent a car directly from ​​Baltimore/Washington International Thurgood Marshall Airport. The rental car companies are located in a separate facility near the airport that can be reached by a free shuttle. Some of the companies in this facility include Avis, Budget, and Enterprise.

  • What is the cheapest flight from San Diego to Baltimore?

    In the last 3 days, the lowest price for a flight from San Diego to Baltimore was $80 for a one-way ticket and $191 for a round-trip.

  • Do I need a passport to fly between San Diego and Baltimore?

    No

  • Which airlines offer Wi-Fi service onboard planes from San Diego to Baltimore?

    Alaska Airlines, JetBlue, Hawaiian Airlines, American Airlines, and Delta offer inflight Wi-Fi service on the San Diego to Baltimore flight route.

  • Which aircraft models fly most regularly from San Diego to Baltimore?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the San Diego to Baltimore flight route.

  • Which airline alliances offer flights from San Diego to Baltimore?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Diego and Baltimore, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Diego to Baltimore?

    There are nonstop flights from San Diego to Baltimore on a daily basis.

  • Which is the best airline for flights from San Diego to Baltimore, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from San Diego to Baltimore are Southwest and Alaska Airlines. With an average price for the route of $459 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $337 and an overall rating of 8.0.

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

    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 San Diego to Baltimore.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from San Diego 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 San Diego to Baltimore?

    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 Baltimore with an airline and back to San Diego with another airline. Booking your flights between San Diego and BWI can sometimes prove cheaper using this method.

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

    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 Baltimore from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Diego to Baltimore

  • Looking for a cheap flight? 25% of our users found flights on this route for $178 or less one-way and $376 or less round-trip.
  • One of the largest travel hubs in the state of California, San Diego International Airport (SAN) is also a focus city for airlines such as Southwest Airlines, Alaska Airlines, Pacific Southwest Airlines, and West Air. Many of the departing flights from SAN are operated by one of these companies.
  • If you find that you are hungry once you have landed at Baltimore/Washington International Thurgood Marshall Airport (BWI), you can choose from a wide selection of dining options. Some choices in the main terminal include La Cocina Mexicana, The Burger Joint, and the Zona Cocina.
  • When you have an early flight out of San Diego International Airport, you may want to book a nearby hotel room to help you get plenty of sleep. The TownePlace Suites San Diego Airport, Holiday Inn Express San Diego Airport – Old Town, and Sheraton San Diego Hotel & Marina are all a short drive away and have free shuttle services.
  • Those traveling with a furry friend will want to keep in mind that Baltimore/Washington International Thurgood Marshall Airport has several pet relief areas in each of its terminals. These pet relief areas have small patches of grass and trash cans for pet owners to use.
  • San Diego International Airport is equipped with lactation rooms for parents to use while traveling. In these rooms, you will have access to outlets, comfortable seating, child seats, a handwashing station, and plenty of room to place your stroller.

Prefer to fly direct from San Diego to Baltimore?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Diego to Baltimore/Washington.
Find which airlines fly direct from San Diego Airport to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

San Diego to Baltimore/Washington

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Baltimore/Washington to San Diego

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top 5 airlines serving from San Diego to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Baltimore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Diego to Baltimore? 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 4253 reviews
8.1Boarding
8.0Comfort
7.5Entertainment
7.0Food
8.6Crew
Airline reviews

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.

8.0 ExcellentRussell, Dec 2025
SAN - OAK
Read more Southwest reviews

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.

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

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

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.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

I like that the crew kept us informed but we moved back and forth from gate to gate before the aircraft arrived.

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

The entertainment package was vast and the selections were very current. Keep updating it was great.

Spirit cancelled the flight very late last night, I was on the way to the airport when I found out

No free snacks or drinks. Freezing. Uncomfortable. No plugs or entertainment. If you fly to LA the make you change terminals with a slow bus. Awful trip that took forever. Terrible airline- maybe the worst I’ve ever flown.

Crew are always very angry and dismissive like they seem they are being forced to work. In addition, there was a long line for the bathrooms, and only one was allowed to be used. No reason was given for only one bathroom being available; apparently, the stewardess was more interested in using the jumpseat instead of allowing the customers to use the bathroom.

No leg room. My knee was sore for a day.

Vegas is such a quick flight that amenities aren’t the important part, in my opinion. Just get me there efficiently and safely, and that’s exactly what they did!

The flight was severely delayed due to the missing flight attendants.

It was a no show, so we got put in hotels for a nite. The A320 plane was very modern and flite and crew (if a pilot shows up were fine). Price was very good.

Flight was cancelled without warning close to flight date. Stuck witha credit has to buy a new ticket from another airline in either to get to location. Email cancelling was lost in mail.

Spirit Airlines was ok but TRAVELHELPDESK, the 3rd party travel agent IS A JOKE! VERY RUDE CUSTOMER AGENTS ont he phone. NO HELP AT ALL. But the airlines was ok.

No frills - because you get what you pay for. The crew was amazing!! I had plenty of room to spread out because the flight was half full. Which made it easy to sleep.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Inbound plane was on time and flight departed on time with no issues while boarding.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

The Boarding process in Denver was chaotic, and since the line was so long, we were lined up very far from the gate. If there were any announcements from the gate staff, we didn't hear them. The flight attendants were spectacular. The only negative part of the flight was sitting by a 2 1/2 year old who was unruly and unfortunately had parents that matched his behaviors. Also, the restaurants in Denver on the E concourse, they didn't have food (passengers could only order 1 item on the entire menu) or the restaurants had 12-14 people waiting for orders to be prepared and another 6 people waiting to order. If you have a layover in Denver and need to grab food, be prepared to visit the shops with pre-packaged sandwiches, or you can visit another concourse but it may take a while to transit throughout the airport.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

The seats were awful, hard plastic covered in sheet vinyl. The airline tries to scam you into paying extra to get seat together when the flight wasn’t full. They were going to separate a family with young children but my wife who had a row to herself gave up her seat so the young mom could be with her young boys. I’m never giving this airline my money again.

It was a short flight so no food or entertainment….

Frontier had yet another flight cancellation. Have never made a complete round trip with this airline without at least one leg getting cancelled. Miserable flights - dirty, uncomfortable planes that apparently always have issues since I've had multiple delays and cancellations with them.

Everything you need to know for your flight from San Diego to Baltimore

Information on your arrival and departure airports