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

View AU$238 flight on Sat, 26 Sept 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Baltimore Washington International Airport (BWI)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$548 Return, found 6 days ago
AU$548
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$548 found 6 days ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$549 Return, found 6 days ago
AU$549
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$549 found 6 days ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$556 Return, found 6 days ago
AU$556
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$556 found 6 days ago
American Airlines
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$562 Return, found 6 days ago
AU$562
Return
found 6 days ago
Select American Airlines flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$562 found 6 days ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$570 Return, found 6 days ago
AU$570
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$570 found 6 days ago
Delta
Thu, 8 Apr - Tue, 13 Apr
SAN
San Diego
BWI
Baltimore
AU$616 Return, found 1 hour ago
AU$616
Return
found 1 hour ago
Select Delta flight, departing Thu, 8 Apr from San Diego to Baltimore, returning Tue, 13 Apr, priced at AU$616 found 1 hour ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$627 Return, found 6 days ago
AU$627
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$627 found 6 days ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$628 Return, found 6 days ago
AU$628
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$628 found 6 days ago
Delta
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$633 Return, found 6 days ago
AU$633
Return
found 6 days ago
Select Delta flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$633 found 6 days ago
United
Mon, 28 Sept - Mon, 5 Oct
SAN
San Diego
BWI
Baltimore
AU$634 Return, found 6 days ago
AU$634
Return
found 6 days ago
Select United flight, departing Mon, 28 Sept from San Diego to Baltimore, returning Mon, 5 Oct, priced at AU$634 found 6 days ago

Frequently asked questions

How much does a flight from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find one-way and return flights from SAN to BWI with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SAN to BWI ticket fares go up or down.
What is the cheapest month to fly from San Diego, CA (SAN) to Baltimore, MD (BWI)?
The cheapest months to fly from San Diego, CA (SAN) to Baltimore, MD (BWI) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Only one airline offers direct flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall). Southwest Airlines operates 24 direct flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) every week.
How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best time to fly from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) is a bit of a balancing act! You'll find the cheapest flights in September and March, with average return prices around AU$557. February is a popular month for travel on this route, meaning you'll have plenty of flight options to choose from. If you're looking for the best value, aiming for September or March could save you some money, while February offers more flexibility with schedules.
How many flights per day from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll find approximately 3 nonstop flights per day from San Diego Intl. (SAN) to Baltimore Washington Intl. Thurgood Marshall (BWI). For even more choices, look at flights that include layovers, as there are around 156 connecting flights per day. Some common connection points include Harry Reid Intl. (LAS), Sky Harbor Intl. (PHX), and Denver Intl. (DEN).
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically departs around 12:55 AM local time. This service is operated by American Airlines. This is a seasonal service active in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll generally find the most flights from San Diego Intl. (SAN) to Baltimore Washington Intl. Thurgood Marshall (BWI) on a Thursday, with around 122 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and United. Flight schedules are fairly consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.
What are the most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from San Diego Intl. (SAN) to Baltimore Washington Intl. Thurgood Marshall (BWI) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, American Airlines and Delta, offer flights during this window. Many travellers prefer these early flights as they allow you to arrive at your destination with plenty of time to spare for the day.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Flying nonstop from SAN to BWI takes around 4 hours 50 minutes, with the route covering approximately 3,687 kilometers. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Yes, you can fly business class or first class between SAN and BWI. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
How do I earn miles on a San Diego, CA (SAN) to Baltimore, MD (BWI) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN) to Baltimore, MD (BWI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore, MD (BWI) from San Diego, CA (SAN)?
If you're planning to travel to Baltimore from San Diego Intl. (SAN), you can fly directly into Baltimore Washington Intl. Thurgood Marshall (BWI). Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Denver Intl. (DEN), or Harry Reid International Airport (LAS) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN) to Baltimore, MD (BWI) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN) to Baltimore, MD (BWI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Diego, CA (SAN) to Baltimore, MD (BWI) flight and hotel package?
Securing a San Diego, CA (SAN) to Baltimore, MD (BWI) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta
Roundtrip price
AU$548
Distance
3664 km
Average flight time
9 hours 16 mins

Book with confidence

Your quick guide to flights from San Diego to Baltimore

Pick up great flights from San Diego to Baltimore

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Diego to Baltimore. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Diego to Baltimore that take around hours.

Find cheap flights from San Diego to Baltimore

From the great flight deals with prices currently ranging from AU$548 to AU$634, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Diego to Baltimore around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Baltimore is normally in September.

Reasons to book your flight from San Diego to Baltimore with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Diego to Baltimore across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Baltimore right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from San Diego to Baltimore

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