SJU - BWI

$99 Find Cheap Flights from San Juan to Baltimore - Compare and Save

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Everything you should know

Cheapest round-trip
$193
Typical prices: $235-$374
Frontier
Sun 11/4Thu 11/8
SJU - BWI • 1 stop
Cheapest non-stop
$196
Typical prices: $233-$368
Frontier
Tue 12/4Fri 12/7
SJU - BWI • Non-stop
Advice from real travelers
Frontier Economy Bundle adds a carry-on and seat selection to cut extra fees.
Frontier Premium Bundle adds legroom; Southwest Rapid Rewards boosts flexibility.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Southwest, JetBlue and Frontier. Average duration is 4h 09m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $316 (round-trip)
Shortest trip • 6h 38m (one-way)
Insights
Insights
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We hope you love your trip to Baltimore!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Juan to Baltimore (SJU-BWI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Juan to Baltimore

Tue, Nov 10 - Thu, Dec 3
Frontier Logo
8:45 am - 1:01 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
29h 16m1 stop Fort Lauderdale
Frontier Logo
1:54 pm - 1:07 amBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
10h 13m1 stop Atlanta Hartsfield-Jackson
$194Frontier
Fri, Nov 20 - Mon, Nov 23
Frontier Logo
6:00 am - 9:12 amSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
4h 12mnonstop
Frontier Logo
6:04 pm - 10:33 amBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
15h 29m1 stop Miami
$194Frontier
Tue, Dec 1 - Wed, Dec 9
JetBlue Logo
6:45 am - 2:35 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
8h 50m1 stop Fort Lauderdale
JetBlue Logo
3:25 pm - 10:44 pmBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
6h 19m1 stop Fort Lauderdale
$205JetBlue
Thu, Nov 12 - Sun, Nov 15
Multiple Airlines Logo
1:56 pm - 5:13 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
4h 17mnonstop
Multiple Airlines Logo
5:16 pm - 10:07 pmBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
3h 51mnonstop
$206Multiple Airlines
Sat, Dec 5 - Wed, Dec 9
Multiple Airlines Logo
6:00 am - 9:13 amSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
4h 13mnonstop
Multiple Airlines Logo
4:54 pm - 9:44 pmBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
3h 50mnonstop
$207Multiple Airlines
Wed, Dec 2 - Tue, Dec 8
JetBlue Logo
3:50 pm - 9:14 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
6h 24m1 stop Fort Lauderdale
JetBlue Logo
4:54 pm - 9:44 pmBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
3h 50mnonstop
$218JetBlue
Tue, Nov 3 - Tue, Nov 10
American Airlines Logo
7:30 am - 3:15 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
8h 45m1 stop Miami
American Airlines Logo
11:00 am - 9:13 pmBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
9h 13m1 stop Charlotte Douglas
$248American Airlines
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
6:55 pm - 11:02 amSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
17h 07m1 stop Miami
American Airlines Logo
7:16 pm - 10:45 amBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
14h 29m1 stop Miami
$248American Airlines
Thu, Nov 5 - Mon, Nov 9
Southwest Logo
5:50 pm - 9:05 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
4h 15mnonstop
Southwest Logo
8:05 pm - 1:10 amBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
4h 05mnonstop
$265Southwest
Wed, Nov 4 - Sun, Nov 8
Southwest Logo
2:25 pm - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-BWI Baltimore/Washington
4h 05mnonstop
Southwest Logo
8:05 pm - 1:10 amBWI  Baltimore/Washington-SJU San Juan Luis Munoz Marin Intl
4h 05mnonstop
$265Southwest
Booking Insights

Price, demand and travel trends for San Juan Luis Munoz Marin Intl Airport 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 Juan Luis Munoz Marin Intl Airport to Baltimore?

Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Baltimore typically range from $235 to $374. The lowest price found in the past 5 days was $193, on Frontier.

What's the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport 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 Juan Luis Munoz Marin Intl Airport to Baltimore. It’s 7% cheaper than the average day, while Sunday is the most expensive, with prices 29% higher.

What’s the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Baltimore?

•February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Baltimore at $202 round-trip.
•June ($339) and July ($334) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 67% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Juan Luis Munoz Marin Intl Airport to Baltimore the cheapest?

Flights from San Juan Luis Munoz Marin Intl Airport to Baltimore are cheapest 10 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Juan to Baltimore

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

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

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.

Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Key details for San Juan Luis Munoz Marin Intl Airport to Baltimore flights

Low season

February

Cheapest flight

$99
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 52% increase in travelers.
One-way flight from San Juan Luis Munoz Marin Intl Airport to Baltimore

When to book flights from San Juan to Baltimore

Are your dates flexible? Find out the best times to travel from San Juan to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from San Juan to Baltimore: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from San Juan to Baltimore 
JoseFlew with Frontier-Apr 2026
San Juan airport is just like any other airport, just remember to do the agricultural inspection thing, but only usually take like an extra 10 minutes.
AlexisFlew with Spirit Airlines-Apr 2025
Go early to the airport. Pay for your baggage early to get a discount.

Your San Juan Luis Munoz Marin Intl Airport 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 Juan Luis Munoz Marin Intl Airport to Baltimore?

    These are the earliest and latest flight times available from San Juan Luis Munoz Marin Intl Airport to Baltimore:

    • Earliest: departs at 5:30 am and lands at 9:39 am
    • Latest: departs at 9:25 pm and lands at 1:34 am.

    The flight takes about 4h 09m.

  • What cabin classes can I book on flights from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    Three cabin classes are available on flights from San Juan Luis Munoz Marin Intl Airport to Baltimore:

    • Economy Class
    • Premium Economy Class
    • First Class

  • How long is a flight from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    A nonstop flight from San Juan Luis Munoz Marin Intl Airport to Baltimore takes 4h 09m, covering 1,568 miles.

  • Do I need a passport to fly from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Juan Luis Munoz Marin Intl Airport to Baltimore flight?

    Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Baltimore range from $235 to $374, with an average of $302 over the past 12 months. Anything below $235 counts as a good deal.

  • How expensive are last-minute San Juan Luis Munoz Marin Intl Airport to Baltimore flights?

    Last-minute fares on this route (booked within two weeks of departure) run 1% above the $302 route average. Book 10 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $300 round-trip, compared to $316 via a layover through Houston George Bush Intcntl (IAH).

  • What is the standard checked-bag allowance on flights from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 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 Juan Luis Munoz Marin Intl Airport to Baltimore?

    The Airbus A321neo family is used most often on this route, operated mainly by Frontier. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight departures from San Juan Luis Munoz Marin Intl Airport to Baltimore spread across the day?

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

  • How are flight prices from San Juan Luis Munoz Marin Intl Airport to Baltimore looking right now?

    One-way fares from San Juan Luis Munoz Marin Intl Airport to Baltimore are currently lower than usual. Average one-way flight prices are about $118, which is 41% 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 Juan Luis Munoz Marin Intl Airport to Baltimore?

    Flights from San Juan Luis Munoz Marin Intl Airport to Baltimore usually depart from San Juan Luis Munoz Marin Intl (SJU) and arrive at Baltimore/Washington (BWI).

  • What time of day has the fewest delays on flights from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Juan Luis Munoz Marin Intl Airport to Baltimore route, 15% of flights were delayed in the past 3 months, with delays averaging 2h 18m.

  • Which airports do connecting flights from San Juan Luis Munoz Marin Intl Airport to Baltimore pass through?

    One-stop flights from San Juan Luis Munoz Marin Intl Airport to Baltimore most commonly connect through:

    • Miami (MIA) - 31% of one-stop connections
    • Orlando (MCO) - 26% of one-stop connections
    • Charlotte Douglas (CLT) - 23% of one-stop connections
    • Fort Lauderdale (FLL) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    Yes. Flexible dates can save you up to 29% on flights from San Juan Luis Munoz Marin Intl Airport to Baltimore. Thursday is the cheapest departure day at $282 round-trip on average, while Sunday is the most expensive at $392, a difference of $110.

    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 Juan Luis Munoz Marin Intl Airport to Baltimore?

    3 airlines operate flights between San Juan Luis Munoz Marin Intl Airport and Baltimore. The airlines offering nonstop flights on this route include:

    • Southwest
    • JetBlue
    • Frontier

  • How much time can I save by choosing a different layover airport from San Juan Luis Munoz Marin Intl Airport to Baltimore?

    Flying via Fort Lauderdale (FLL) gives the shortest average 1-stop total travel time at 6h 38m, compared with 6h 42m via Atlanta Hartsfield-Jackson (ATL) and 7h 19m via Orlando (MCO).

  • 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 Juan Luis Munoz Marin Intl Airport to Baltimore flights?

    Among airlines operating San Juan Luis Munoz Marin Intl Airport to Baltimore flights:

    • Frontier: offers free seat selection
    • Southwest: offers free seat selection
    • JetBlue: offers extra legroom; 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 Juan Luis Munoz Marin Intl Airport to Baltimore flights?

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

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

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

Your guide to booking San Juan Luis Munoz Marin Intl Airport 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 $282, about $110 less than Sunday fares (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Juan Luis Munoz Marin Intl Airport to Baltimore trip for February. Fares historically average $202 round-trip in that month - typically $137 less than the most expensive month, which is June (based on the last 12 months).
  • For the best chance of arriving on time, fly with Southwest. Over the past three months, 86% of Southwest flights from San Juan Luis Munoz Marin Intl Airport to Baltimore arrived on time, slightly above the route average of 85%. When flights on this route arrive late, they're delayed by an average of 2h 18m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.

Prefer to fly direct from San Juan to Baltimore?

 
Find which airlines fly direct from San Juan Luis Munoz Marin Intl Airport to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

San Juan Luis Munoz Marin Intl to Baltimore/Washington

Monday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Tuesday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Wednesday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Thursday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Friday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Saturday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Sunday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

See more direct flights

Direct returns

Baltimore/Washington to San Juan Luis Munoz Marin Intl

Monday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Tuesday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Wednesday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Thursday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Friday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Saturday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

Sunday

Frontier,JetBlue,Southwest

Frontier,JetBlue, +1 more

See more direct flights

More options for your flight from San Juan to Baltimore

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