How popular is this Baltimore to San Diego flight route?

Within the past month, 24 users have taken a look at flights from Baltimore/Washington to San Diego.

What are the cheapest airlines flying from Baltimore to San Diego round-trip?

Our cheapest airline available from Baltimore to San Diego is Spirit Airlines. Our recent data shows that you can find tickets from as low as $256 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $284 and $327 round-trip. You may be able to fly from Baltimore to San Diego for 37% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Baltimore to San Diego one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $58. Frontier flights start at $89 while deals on Sun Country Air start at $150 one-way.

What are the cheapest flights from Baltimore to San Diego?

Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Baltimore/Washington - San Diego) can be booked for $122 on average our data indicates $349 when flying from Baltimore to San Diego.

What are the most popular airlines that fly from Baltimore to San Diego?

The most popular airlines flying from Baltimore to San Diego are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Baltimore to San Diego?

Monday is generally a great day to depart. Flying on this day could help you save up to 31%.

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

Find a great deal and save up to 36% by booking at least 38 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Baltimore to San Diego within the next two weeks, with the cheapest ticket starting at $381.

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

May can be a great time to fly to San Diego from Baltimore with a flight ticket averaging about $387. Cheapflights users have found deals in the month of May for as cheap as $172. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Baltimore-San Diego flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Baltimore-San Diego flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Baltimore-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Baltimore-San Diego flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Baltimore to San Diego?

Booking a flight from Baltimore/Washington (BWI) to San Diego (SAN) is your only option if you wish to fly from Baltimore to San Diego. On a typical day, there are 2 flights from Baltimore/Washington to San Diego, all of which are around 5h 20m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Baltimore/Washington to San Diego.

Can I find deals for flights from Baltimore to San Diego that include hotel bookings?

Yes. In addition to deals on Baltimore to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Baltimore to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to San Diego.

Can I find deals for business class flights from Baltimore to San Diego?

Yes. Cheapflights offers flight deals from Baltimore to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$55+ Flights from Baltimore to San Diego - Compare & Save Big

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Find cheap flights from Baltimore to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Baltimore/Washington to San Diego are usually found in August or July, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Baltimore to San Diego

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$254 (Orbitz)
One-way from	$58 (FlightHub)
Popular in	December
Cheapest in	August
Average price	$493

Provider with most accurate pricing for Baltimore/Washington-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Baltimore/Washington-San Diego flights.

Search Deals

From Baltimore/Washington to San Diego

Search Deals

One-way flight from Baltimore/Washington to San Diego

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Baltimore to San Diego

Cheapest flights from Baltimore to San Diego
Explore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Mon 5/56:12 pmBWI - SAN

1 stop9h 01mMultiple Airlines

Fri 5/95:43 pmSAN - BWI

2 stops15h 03mMultiple Airlines

Deal found 4/28

$254

Wed 5/147:17 amBWI - SAN

1 stop15h 36mSpirit Airlines

Wed 5/218:48 pmSAN - BWI

1 stop6h 22mSpirit Airlines

Deal found 4/29

$256

Fri 5/26:12 pmBWI - SAN

1 stop9h 02mFrontier

Tue 5/68:00 amSAN - BWI

2 stops22h 10mFrontier

Deal found 4/28

$284

Thu 5/298:35 pmBWI - SAN

Nonstop5h 40mSouthwest

Mon 6/29:20 pmSAN - BWI

Nonstop5h 00mSouthwest

Deal found 4/28

$327

Thu 7/314:45 pmBWI - SAN

1 stop7h 30mDelta

Mon 8/1810:40 pmSAN - BWI

1 stop7h 36mDelta

Deal found 4/29

$347

Mon 8/412:25 pmBWI - SAN

1 stop7h 54mSun Country Air

Thu 8/146:23 pmSAN - BWI

1 stop14h 00mSun Country Air

Deal found 4/29

$365

Fri 7/46:15 amBWI - SAN

2 stops9h 37mUnited Airlines

Sat 7/128:44 pmSAN - BWI

1 stop8h 23mUnited Airlines

Deal found 4/28

$382

Best flights from Baltimore to San Diego
Discover carefully curated flight deals from Baltimore to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 5/56:12 pmBWI - SAN

1 stop9h 01mMultiple Airlines

Fri 5/95:43 pmSAN - BWI

2 stops15h 03mMultiple Airlines

Deal found 4/28

$254

Wed 5/147:17 amBWI - SAN

1 stop15h 36mSpirit Airlines

Wed 5/218:48 pmSAN - BWI

1 stop6h 22mSpirit Airlines

Deal found 4/29

$256

Fri 5/26:12 pmBWI - SAN

1 stop9h 02mFrontier

Tue 5/68:00 amSAN - BWI

2 stops22h 10mFrontier

Deal found 4/28

$284

Thu 5/298:35 pmBWI - SAN

Nonstop5h 40mSouthwest

Mon 6/29:20 pmSAN - BWI

Nonstop5h 00mSouthwest

Deal found 4/28

$327

Thu 6/196:25 pmBWI - SAN

1 stop8h 04mDelta

Fri 7/1110:30 pmSAN - BWI

1 stop9h 14mDelta

Deal found 4/28

$347

Fri 7/46:15 amBWI - SAN

2 stops9h 37mUnited Airlines

Sat 7/128:44 pmSAN - BWI

1 stop8h 23mUnited Airlines

Deal found 4/28

$382

Last-minute flights from Baltimore to San Diego
Discover last-minute flight deals from Baltimore to San Diego. Data last updated April 29, 2025 and is based on user searches.

Fri 5/26:12 pmBWI - SAN

1 stop9h 02mFrontier

Tue 5/68:00 amSAN - BWI

2 stops22h 10mFrontier

Deal found 4/28

$284

Mon 5/56:12 pmBWI - SAN

1 stop9h 01mMultiple Airlines

Fri 5/95:43 pmSAN - BWI

2 stops15h 03mMultiple Airlines

Deal found 4/28

$254

Tue 5/65:40 amBWI - SAN

1 stop7h 27mDelta

Tue 5/62:30 pmSAN - BWI

1 stop7h 11mDelta

Deal found 4/28

$713

Thu 5/87:17 amBWI - SAN

1 stop19h 39mSpirit Airlines

Mon 5/125:43 pmSAN - BWI

1 stop9h 27mSpirit Airlines

Deal found 4/28

$255

Thu 5/88:35 pmBWI - SAN

Nonstop5h 40mSouthwest

Mon 5/126:35 amSAN - BWI

Nonstop5h 00mSouthwest

Deal found 4/28

$575

Fri 5/97:06 amBWI - SAN

2 stops19h 29mAlaska Airlines

Mon 5/128:00 amSAN - BWI

2 stops18h 46mAlaska Airlines

Deal found 4/28

$590

Fri 5/96:45 amBWI - SAN

2 stops14h 06mUnited Airlines

Mon 5/122:30 pmSAN - BWI

1 stop11h 43mUnited Airlines

Deal found 4/28

$759

Mon 5/2612:51 pmBWI - SAN

2 stops21h 22mSpirit Airlines

Fri 5/308:48 pmSAN - BWI

1 stop6h 22mSpirit Airlines

Deal found 4/29

$256

Tue 5/2711:19 amBWI - SAN

2 stops14h 05mUnited Airlines

Thu 5/298:30 pmSAN - BWI

2 stops10h 43mUnited Airlines

Deal found 4/28

$498

Fri 5/308:35 pmBWI - SAN

Nonstop5h 40mSouthwest

Mon 6/29:20 pmSAN - BWI

Nonstop5h 00mSouthwest

Deal found 4/29

$327

One-way flights from Baltimore to San Diego
Search for one-way flight options from Baltimore to San Diego. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/47:17 amBWI - SAN

1 stop15h 36mSpirit Airlines

Deal found 4/29

$58

Mon 5/56:12 pmBWI - SAN

1 stop9h 01mFrontier

Deal found 4/29

$89

Sat 6/2812:25 pmBWI - SAN

1 stop7h 36mSun Country Air

Deal found 4/29

$150

Thu 5/298:35 pmBWI - SAN

Nonstop5h 40mSouthwest

Deal found 4/29

$164

Sun 6/296:42 amBWI - SAN

1 stop11h 24mUnited Airlines

Deal found 4/29

$169

Tue 6/105:17 pmBWI - SAN

1 stop7h 46mDelta

Deal found 4/29

$174

Fri 7/48:19 amBWI - SAN

2 stops10h 00mAmerican Airlines

Deal found 4/29

$179

Thu 6/262:08 pmBWI - SAN

2 stops29h 17mMultiple Airlines

Deal found 4/29

$209

Fri 5/97:06 amBWI - SAN

2 stops19h 29mAlaska Airlines

Deal found 4/29

$318

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 5/5

6:12 pm-12:13 am

1 stop9h 01m

San Diego

Fri 5/9

5:43 pm-11:46 am

2 stops15h 03m

$254

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 5/14

7:17 am-7:53 pm

1 stop15h 36m

San Diego

Wed 5/21

8:48 pm-6:10 am

1 stop6h 22m

$256

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Fri 5/2

6:12 pm-12:14 am

1 stop9h 02m

San Diego

Tue 5/6

8:00 am-9:10 am

2 stops22h 10m

$284

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 5/29

8:35 pm-11:15 pm

Nonstop5h 40m

San Diego

Mon 6/2

9:20 pm-5:20 am

Nonstop5h 00m

$327

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 6/19

6:25 pm-11:29 pm

1 stop8h 04m

San Diego

Fri 7/11

10:30 pm-10:44 am

1 stop9h 14m

$347

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Fri 7/4

6:15 am-12:52 pm

2 stops9h 37m

San Diego

Sat 7/12

8:44 pm-8:07 am

1 stop8h 23m

$382

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 6/2

7:17 am-7:53 pm

1 stop15h 36m

$55

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 5/28

4:28 pm-10:57 pm

1 stop9h 29m

$89

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 6/5

12:25 pm-5:07 pm

1 stop7h 42m

$150

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sun 7/13

9:05 pm-11:25 pm

Nonstop5h 20m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results

Compare providers for flights from Baltimore to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Diego in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
FareScan	Price Accuracy-	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Baltimore-San Diego flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Baltimore-San Diego flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Baltimore-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Baltimore-San Diego flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Baltimore to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to San Diego trip

Airports

BWI

For long-term parking, BWI offers budget-friendly lots with shuttle service. Allow extra time for shuttle transit to the terminal.

SAN

For a wallet-friendly option, take the free San Diego Flyer shuttle between SAN and Old Town Transit Center.

Our travel experts

Blane Bachelor

Expert on SAN

Emily Zemler

Expert on BWI

Best time to book a flight from Baltimore to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Baltimore with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to San Diego?

Currently, August is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $286). Flying from Baltimore to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to SAN?

It’s typically best to fly out from Baltimore to San Diego in the morning. Doing so could potentially save you 61% on the flight price compared to flying at noon, which is usually more expensive.

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

Travelers seeking maximum savings on their Baltimore to San Diego flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Baltimore to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airports do I use to fly from Baltimore to San Diego?
Booking a flight from Baltimore/Washington (BWI) to San Diego (SAN) is your only option if you wish to fly from Baltimore to San Diego. On a typical day, there are 2 flights from Baltimore/Washington to San Diego, all of which are around 5h 20m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Baltimore/Washington to San Diego.
How popular is this Baltimore to San Diego flight route?
Within the past month, 24 users have taken a look at flights from Baltimore/Washington to San Diego.
What are the cheapest airlines flying from Baltimore to San Diego round-trip?
Our cheapest airline available from Baltimore to San Diego is Spirit Airlines. Our recent data shows that you can find tickets from as low as $256 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $284 and $327 round-trip. You may be able to fly from Baltimore to San Diego for 37% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Baltimore to San Diego one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $58. Frontier flights start at $89 while deals on Sun Country Air start at $150 one-way.
What are the cheapest flights from Baltimore to San Diego?
Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Baltimore/Washington - San Diego) can be booked for $122 on average our data indicates $349 when flying from Baltimore to San Diego.
Can I find deals for flights from Baltimore to San Diego that include hotel bookings?
Yes. In addition to deals on Baltimore to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baltimore to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to San Diego.
Can I find deals for business class flights from Baltimore to San Diego?
Yes. Cheapflights offers flight deals from Baltimore to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Baltimore to San Diego?
Currently, August is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $286). Flying from Baltimore to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to San Diego

Top 7 airlines flying from Baltimore to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$104	Average$224	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$138	Average$238	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$198	Average$436	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$211	Average$347	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$257	Average$479	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$269	Average$439	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$327	Average$534	FlexibilityNo cancel fee	On-time63%

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$55+ Cheap flights from Baltimore to San Diego (BWI - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Baltimore/Washington to San Diego are usually found in August or July, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Baltimore to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Baltimore to San Diego

Cheapest flights from Baltimore to San DiegoExplore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to San Diego that are best for you.

Compare providers for flights from Baltimore to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Diego in April.

The best insider tips for Baltimore to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to San Diego trip

Airports

BWI

SAN

Our travel experts

Best time to book a flight from Baltimore to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Baltimore with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to San Diego. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Baltimore to San Diego?

What is the cheapest time of day to fly from BWI to SAN?

Find hourly flight availability from Baltimore to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Diego. Price data was last updated on March 30, 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Baltimore to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Baltimore to San Diego?

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What are the cheapest flights from Baltimore to San Diego?

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Alternative routes for Baltimore to San Diego

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Top 7 airlines flying from Baltimore to San Diego

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Cheapest flights from Baltimore to San Diego
Explore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.