SAN - BWI

$69 Find Cheap Flights from San Diego to Baltimore - Compare and Save

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Everything you should know

Cheapest round-trip
$352
Typical prices: $358-$539
Southwest
Mon 11/12Mon 11/19
SAN - BWI • 1 stop
Cheapest non-stop
$357
Typical prices: $356-$557
Southwest
Thu 12/20Fri 1/5
SAN - BWI • Non-stop
Nonstop flights
You can fly direct with Southwest. Average duration is 4h 46m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $291 (round-trip)
Shortest trip • 7h 02m (one-way)
Insights
Insights
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We hope you love your trip to Baltimore!

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

 

Cheap flights from San Diego to Baltimore with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Fri, Nov 6 - Mon, Nov 9
Frontier Logo
10:56 am - 9:17 amSAN  San Diego-BWI Baltimore/Washington
19h 21m2 stops San Francisco Atlanta Hartsfield-Jackson
Frontier Logo
6:28 pm - 10:11 amBWI  Baltimore/Washington-SAN San Diego
18h 43m2 stops Detroit Metropolitan Wayne County Phoenix Sky Harbor Intl
$352Frontier
Thu, Nov 12 - Thu, Nov 19
Southwest Logo
1:25 pm - 11:00 pmSAN  San Diego-BWI Baltimore/Washington
6h 35m1 stop Denver Intl
Southwest Logo
11:55 am - 2:30 pmBWI  Baltimore/Washington-SAN San Diego
5h 35mnonstop
$352Southwest
Fri, Nov 13 - Sun, Nov 15
Delta Logo
12:48 pm - 12:58 amSAN  San Diego-BWI Baltimore/Washington
9h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 10:26 amBWI  Baltimore/Washington-SAN San Diego
7h 26m1 stop Detroit Metropolitan Wayne County
$352Delta
Sat, Dec 19 - Sun, Jan 24
Delta Logo
7:11 pm - 5:50 amSAN  San Diego-BWI Baltimore/Washington
7h 39m1 stop Salt Lake City
Delta Logo
3:00 pm - 8:25 pmBWI  Baltimore/Washington-SAN San Diego
8h 25m1 stop Minneapolis St Paul
$352Delta
Thu, Dec 24 - Mon, Jan 4
Southwest Logo
9:15 am - 6:55 pmSAN  San Diego-BWI Baltimore/Washington
6h 40m1 stop San Antonio
Southwest Logo
6:20 am - 9:05 amBWI  Baltimore/Washington-SAN San Diego
5h 45mnonstop
$353Southwest
Wed, Nov 4 - Sun, Nov 8
United Airlines Logo
12:39 pm - 11:08 pmSAN  San Diego-BWI Baltimore/Washington
7h 29m1 stop Denver Intl
United Airlines Logo
8:00 am - 1:47 pmBWI  Baltimore/Washington-SAN San Diego
8h 47m1 stop San Francisco
$354United Airlines
Wed, Nov 4 - Sun, Nov 8
American Airlines Logo
7:41 am - 5:53 pmSAN  San Diego-BWI Baltimore/Washington
7h 12m1 stop Chicago O'Hare Intl
American Airlines Logo
6:05 am - 11:09 amBWI  Baltimore/Washington-SAN San Diego
8h 04m1 stop Charlotte Douglas
$354American Airlines
Fri, Nov 13 - Thu, Nov 19
Frontier Logo
7:38 pm - 7:46 pmSAN  San Diego-BWI Baltimore/Washington
21h 08m2 stops Phoenix Sky Harbor Intl Houston George Bush Intcntl
Frontier Logo
10:00 am - 7:55 amBWI  Baltimore/Washington-SAN San Diego
24h 55m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$355Frontier
Wed, Dec 2 - Sun, Dec 13
United Airlines Logo
10:30 am - 9:38 pmSAN  San Diego-BWI Baltimore/Washington
8h 08m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 1:13 pmBWI  Baltimore/Washington-SAN San Diego
10h 03m2 stops Chicago O'Hare Intl Denver Intl
$356United Airlines
Fri, Nov 27 - Sat, Dec 5
American Airlines Logo
10:35 pm - 8:36 amSAN  San Diego-BWI Baltimore/Washington
7h 01m1 stop Charlotte Douglas
American Airlines Logo
11:50 am - 7:18 pmBWI  Baltimore/Washington-SAN San Diego
10h 28m1 stop Chicago O'Hare Intl
$357American Airlines

Price, demand and travel trends for San Diego to Baltimore flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to Baltimore?

Round-trip flights from San Diego to Baltimore typically range from $358 to $539. The lowest price found in the past 5 days was $352, on Southwest.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San Diego to Baltimore. It’s 8% cheaper than the average day, while Sunday is the most expensive, with prices 22% higher.

What’s the cheapest month to fly from San Diego to Baltimore?

•February is the cheapest month to fly from San Diego to Baltimore at $377 round-trip.
•July ($586) and December ($487) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 55% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Diego to Baltimore the cheapest?

Flights from San Diego to Baltimore are cheapest 23 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice for your flight from San Diego to Baltimore

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAN

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.

Harriet Baskas

Harriet Baskas

Expert on BWI

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.

Key details for San Diego to Baltimore flights

Low season

February

Cheapest flight

$69
Beat the crowds with an average 19% drop in travelers.
The most popular month to fly with an average 18% increase in travelers.
One-way 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

Your San Diego to Baltimore flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from San Diego to Baltimore?

    These are the earliest and latest flight times available from San Diego to Baltimore:

    • Earliest: departs at 6:15 am and lands at 11:01 am
    • Latest: departs at 9:55 pm and lands at 2:41 am.

    The flight takes about 4h 46m.

  • What cabin classes can I book on flights from San Diego to Baltimore?

    Two cabin classes are available on flights from San Diego to Baltimore:

    • Economy Class
    • First Class

  • How long is a flight from San Diego to Baltimore?

    A nonstop flight from San Diego to Baltimore takes 4h 46m, covering 2,289 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Diego to Baltimore flight?

    Round-trip flights from San Diego to Baltimore range from $358 to $539, with an average of $440 over the past 12 months. Anything below $358 counts as a good deal.

  • How expensive are last-minute San Diego to Baltimore flights?

    Last-minute fares on this route (booked within two weeks of departure) run 17% above the $440 route average. Book 23 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to Baltimore?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $291 round-trip via Seattle/Tacoma Intl (SEA), compared to $437 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to Baltimore?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Diego to Baltimore?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • How are flight departures from San Diego to Baltimore spread across the day?

    Morning is the busiest departure period on San Diego to Baltimore flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, night flights for 33%, and evening flights for 0%.

  • Have flight prices from San Diego to Baltimore changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $352 to $2,476. That means the highest observed fare was about 7x higher than the lowest one.

  • Which airlines offer Wi-Fi on San Diego to Baltimore flights?

    JetBlue is the only airline on the San Diego to Baltimore route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from San Diego to Baltimore looking right now?

    One-way fares from San Diego to Baltimore are currently lower than usual. Average one-way flight prices are about $140, which is 47% below the typical average for this route.

  • What car rental options are available at Baltimore/Washington Airport (BWI)?

    Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $27 for economy cars. Top options include:

    • NextCar
    • Hertz
    • Dollar
    • Budget
    • Thrifty

  • Which airports can I use when flying from San Diego to Baltimore?

    Flights from San Diego to Baltimore usually depart from San Diego (SAN) and arrive at Baltimore/Washington (BWI).

  • Which airports do connecting flights from San Diego to Baltimore pass through?

    One-stop flights from San Diego to Baltimore most commonly connect through:

    • Charlotte Douglas (CLT) - 20% of one-stop connections
    • Dallas/Fort Worth (DFW) - 20% of one-stop connections
    • Los Angeles (LAX) - 17% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 15% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Baltimore?

    Yes. Flexible dates can save you up to 24% on flights from San Diego to Baltimore. Thursday is the cheapest departure day at $409 round-trip on average, while Sunday is the most expensive at $537, a difference of $128.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from San Diego to Baltimore?

    Only Southwest operates flights between San Diego and Baltimore.

  • How much time can I save by choosing a different layover airport from San Diego to Baltimore?

    Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 7h 02m, compared with 7h 11m via Phoenix Sky Harbor Intl (PHX) and 7h 29m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between San Diego and Baltimore?

    Baltimore is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Baltimore?

    Some of the most popular sights in Baltimore are M&T Bank Stadium, National Aquarium Baltimore and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Diego to Baltimore flights?

    Among airlines operating San Diego to Baltimore flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on San Diego to Baltimore flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • 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.

Your guide to booking San Diego to Baltimore flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $409, about $128 less than Sunday fares (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Baltimore trip for February. Fares historically average $377 round-trip in that month - typically $209 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Seattle/Tacoma Intl Airport (SEA) can be cheaper than flying direct. The cheapest layover option averages $291 round-trip on this route - about $146 less than direct flights (based on the last 12 months).
  • 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?

 
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

More options for your flight from San Diego to Baltimore

Complete your trip to Baltimore with a hotel stay or car rental