BWI - SJU

$88 Find Cheap Flights from Baltimore to San Juan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Baltimore to Luis Munoz Marin Intl departing on 4/28. 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 San Juan Luis Munoz Marin Intl Airport

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

Cheapest round-trip
$182
Typical prices: $409-$208
Frontier
Fri 5/1Sat 5/2
BWI - SJU • Non-stop
Cheapest non-stop
$184
Typical prices: $431-$230
Frontier
Thu 4/16Mon 4/20
BWI - SJU • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest's two free checked bags benefit luggage needs.
BWI's street pricing keeps dining costs reasonable.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $182 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Every day
You can fly direct with Frontier, Southwest and Spirit Airlines. Average duration is 3h 54m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 78% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $398 (round-trip)
Shortest trip • 6h 29m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Luis Munoz Marin Intl!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Baltimore to Luis Munoz Marin Intl (BWI-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Baltimore to Luis Munoz Marin Intl 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 Baltimore to Luis Munoz Marin Intl

Fri, May 1 - Sat, May 2
Frontier Logo
6:40 pm - 10:30 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
9:58 am - 8:51 pm
SJU
-
BWI
10h 53m
1 stop
$182Frontier
Mon, May 11 - Thu, May 14
Multiple Airlines Logo
7:29 pm - 11:28 pm
BWI
-
SJU
3h 59mnonstop
Multiple Airlines Logo
2:09 am - 6:05 am
SJU
-
BWI
3h 56mnonstop
$184Multiple Airlines
Fri, Apr 24 - Tue, Apr 28
Frontier Logo
5:35 pm - 2:01 am
BWI
-
SJU
8h 26m
1 stop
Frontier Logo
6:30 am - 4:40 pm
SJU
-
BWI
10h 10m
1 stop
$185Frontier
Sat, May 9 - Tue, May 12
Frontier Logo
6:39 pm - 2:08 am
BWI
-
SJU
7h 29m
1 stop
Frontier Logo
3:03 am - 2:20 pm
SJU
-
BWI
11h 17m
1 stop
$186Frontier
Sat, May 2 - Fri, May 8
Frontier Logo
3:01 pm - 11:29 pm
BWI
-
SJU
8h 28m
1 stop
Frontier Logo
2:30 pm - 6:44 pm
SJU
-
BWI
4h 14mnonstop
$187Frontier
Tue, May 5 - Thu, May 7
Frontier Logo
6:45 am - 2:07 pm
BWI
-
SJU
7h 22m
1 stop
Frontier Logo
3:03 am - 9:15 am
SJU
-
BWI
6h 12m
1 stop
$188Frontier
Wed, Apr 29 - Fri, May 1
Multiple Airlines Logo
6:20 am - 10:04 am
BWI
-
SJU
3h 44mnonstop
Multiple Airlines Logo
7:15 am - 3:29 pm
SJU
-
BWI
8h 14m
1 stop
$189Multiple Airlines
Fri, Apr 24 - Tue, Apr 28
Frontier Logo
6:40 pm - 10:30 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
3:08 am - 4:40 pm
SJU
-
BWI
13h 32m
1 stop
$190Frontier
Sun, May 3 - Fri, May 22
Multiple Airlines Logo
6:29 pm - 10:19 pm
BWI
-
SJU
3h 50mnonstop
Multiple Airlines Logo
2:09 am - 6:05 am
SJU
-
BWI
3h 56mnonstop
$191Multiple Airlines
Tue, Apr 21 - Fri, Apr 24
Multiple Airlines Logo
5:35 pm - 2:01 am
BWI
-
SJU
8h 26m
1 stop
Multiple Airlines Logo
12:57 pm - 10:20 pm
SJU
-
BWI
9h 23m
1 stop
$192Multiple Airlines
Booking Insights

KAYAK's insights & trends for Baltimore to Luis Munoz Marin Intl flights

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

How much is a round-trip flight from Baltimore to San Juan Luis Munoz Marin Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Baltimore to San Juan Luis Munoz Marin Intl Airport departing in May.

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

The average price of all round-trip flights from Baltimore to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Baltimore to San Juan, you should consider leaving on a Monday and avoid Fridays if you are looking for the best rates. For your return to Baltimore, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Baltimore to San Juan Luis Munoz Marin Intl Airport, 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 Baltimore to San Juan Luis Munoz Marin Intl Airport is July, where tickets cost $286 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $466 and $386 respectively.

Can I save money by flying with a layover from Baltimore to San Juan Luis Munoz Marin Intl Airport?

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 $358, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Baltimore to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Baltimore to San Juan Luis Munoz Marin Intl Airport, 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 Baltimore to San Juan Luis Munoz Marin Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Baltimore to Luis Munoz Marin Intl

 
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.
Our travel experts
Joe Cortez

Joe Cortez

Expert on Spirit Airlines

Joe Cortez is a seasoned managing editor in aviation with over a decade of industry experience. His work has been featured on prominent platforms such as FlyerTalk and TripSavvy, establishing him as a respected voice in aviation journalism.

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.

Good to know

Low seasonSeptember
Cheapest flight$88
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 41% increase in price.
Flight from Baltimore to San Juan

When to book flights from Baltimore to Luis Munoz Marin Intl

Are your dates flexible? Find out the best times to travel from Baltimore to Luis Munoz Marin Intl 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 Baltimore to San Juan flights

  • What is the cheapest flight from Baltimore to San Juan Luis Munoz Marin Intl Airport?

    In the last 3 days, the lowest price for a flight from Baltimore to San Juan Luis Munoz Marin Intl Airport was $88 for a one-way ticket and $182 for a round-trip.

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

    A passport is required to fly from Baltimore to San Juan.

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

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

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

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

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

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

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

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

  • Which is the best airline for flights from Baltimore to San Juan, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Baltimore to San Juan are Southwest and Delta. With an average price for the route of $515 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $490 and an overall rating of 7.9.

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

    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 Baltimore to San Juan.

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

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

    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 San Juan with an airline and back to Baltimore with another airline. Booking your flights between Baltimore and SJU 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 Baltimore to San Juan?

    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 San Juan from Baltimore 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 Baltimore to San Juan Luis Munoz Marin Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $154 or less one-way and $285 or less round-trip.

Prefer to fly direct from Baltimore to San Juan?

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

Direct departures

Baltimore/Washington to San Juan Luis Munoz Marin Intl

Monday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Wednesday

Southwest,Frontier,Spirit Airlines

Southwest,Frontier, +1 more

Thursday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Baltimore/Washington

Monday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Wednesday

Southwest,Frontier,Spirit Airlines

Southwest,Frontier, +1 more

Thursday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,Spirit Airlines

Frontier,Southwest, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Baltimore to Luis Munoz Marin Intl

 
See real verified KAYAK customer reviews for airlines flying from Baltimore to San Juan. 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 Baltimore to Luis Munoz Marin Intl? 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 4335 reviews
8.1Boarding
7.5Entertainment
8.0Comfort
8.6Crew
7.0Food
Airline reviews

It was as expected and I was grateful for the wheel chair help and ease of use.

10.0 ExcellentAnonymous, Apr 2026
LAS - PDX
Read more Southwest reviews

It was as expected and I was grateful for the wheel chair help and ease of use.

One of the best airlines for fast boarding, on time arrivals, and top notch service!

The new seat assignment thing is wierd. If you don’t pay for a seat they always assign you a middle seat regardless of how many people are on the flight. Idk… the new company that bought Southwest is trying to make it more profitable, but I’m just not seeing it. The flight attendants aren’t having as much fun anymore. It just feels like the airline is slowly dying. IMO. We shall see if Southwest is the next Toy’s R Us.

Terrible. Even though there’s assigned seating now, they are still the slowest boarding airline of anyone.

The Air hostess were very rude on my flight from Houston to Austin . Their regular communication itself felt a they are shouting at people.

Communication about the delayed flight was poor. We were told to move gates three times but that was bad information. We went from gate 128 to gate 126 and then to gate 123 and back to gate 126. Communication about the delay was bad. Ended up being 1 1/2 hour late getting home.

Plane was late. Zero service for 2+ hour flight and it was not that bumpy.

It was good from LAX to Phoenix, But the connection in Phoenix to Tulsa was not that great. The staff on both flights were great. The choice of free entertainment was ok nothing to brag about. The 45 min delay because of some electrical issue wasn't great from Phoenix to Tulsa. We sat there with hardly any air, The seat I had was between windows so the side of the plane pushed in on you. My being a bigger man it then made the seating area uncomfortable. The seats on the plane had no power to connect to recharge your phone or anything. I would recommend that they should look into a slot or clamp to hold your phone to enjoy while watching the entertainment choices hands-free. Also make it possible to raise the inner seat by the window be able to raise the arm rest up to make more room for larger people to set more comfortably. I would also say other then that stop price gouging the airfare or nickel and diming everything. Not fair for people having to fly for emergencies and be paying for higher prices due to the season or holidays. Your making your money either way and the cost of flying is still going to be the same regardless if there's 100 people or 200 people.

Had a great flight. Delayed takeoff, but comfortable. Snacks were good.

Love them will get a Southwest card to track my points and keep flying with them. My family and I were pleased with the services.

We were delayed and had to circle due to weather and had to divert for fuel. While I understand that you can’t control the weather I would have appreciated knowing that the crew wasn’t going to run out of hours and then having to spend the night in the Raleigh airport.

Messy plane that was falling apart Small screens that didn't work

I was traveling with two small kids and our TV s were the only ones not working. Informed the flight attendant who did nothing about them.

They forced me to check my hand luggage at the gate.

I specifically choose not to check bags to ensure I can proceed directly to ground transportation upon arrival. However, due to a recurring lack of cabin space, I was again forced to gate-check my rolling luggage after going through my luggage to take out electronics and batteries. This practice unilaterally changes the service agreement made at the time of purchase. JetBlue needs to find a better way to manage overhead space that honors the carry-on baggage allowance.

Still hasn’t left. Why are you asking how it was?

Flight was good wish there were more snacks options for such a long flight but stewardesses were very pleasant as was flight crew.

I was denied a plastic fork to eat my food and was told plastic forks are for paying customers who buy Jet Blue’s food. So I had to make a utensil out of a cup so nourish my body. Like a refugee. Because decency is dead.

I was especially impressed without efficiently the crew got passengers on and off. One of the stewards was slightly gruff, I thought. No big deal but that's what I noticed.

Absolutely horrible. Flight was delayed 4 hours and they had no clue what was going on.

THe flight was an hour late. You got us on the plan and we sat on the ground for 45 minutes with no information from the pilot whatsoever. Worst flight this year.

Boarding was quick and efficient. We arrived at our destination early.

I'm not sure American is capable of on-time arrivals and departures. When you land at ORD, you almost always get held on the tarmac because your gate is still occupied. I may have missed my connection, but that ended up up being significantly delayed as well. Once again, I finally got home well after midnight.

Same plane as RDU to LGA — internet not working. Pilot issue of some sort at end of prior flight - I was on same plane for my connection. Late/delayed —

Good flight, seated and had a water within 5 minutes. Crew was hospitable.

Message about flight cancelation was received late due to being in the air. No explanation, just canceled and booked on morning flight. We had to stay in the airport overnight because there was no transportation offered to get to the hotel that AA had available. Actual inflight was fine.

I didn't go from Reno to Phoenix I ended up going from Reno to Dallas to Tucson because my flight rebooked because my Amtrak was late I tried notifying you guys I also don't know what you ask me about my flight because you guys didn't book my flight

Delays experienced in boarding/take off due to incoming plane delayed. However, the boarding time/depart time in the app was significantly delayed in providing these updates. Usually not updated until an hour after we should have already boarded. Poorly managed.

Bag drop was very disorganized in Miami. All main cabin passengers were shunted to just a few lanes and they had an equal number of lanes for first class passengers but there was nobody on those lines. They did nothing to bring the main cab and passengers over to the open lines and they just had employees standing there and doing nothing

there are no options s for snack besides cookies would ve nice to have a salty option n

The attendant at the gate was not helpful at all and she was rude when we asked why the flight was delayed.

Great just wish they always had WiFi on every flight couldn’t even purchase it

They cancelled my flight with no reason affecting my travel plans and delaying it 24 hours.

They cancelled our flight. 2 hours before we were supposed to take off and offered us nothing! We got our money back and that was it. No other flight to get to our cruise no working with another airline or with us to get there. Terrible customer service, no apology.

Not enough crew members so we had to wait for more to arrive and they could never give us updates timing. Not even water for free on board. Bare bones airplane- there wasn’t even a seat back pocket to put things into. Spirit is cheap for a reason but this was dismal

The staff were very helpful. Definitely the stars of my experience. The seats were very uncomfortable.

Got surprised by passing an additional fee when selecting seats. No snack or drink offered. Will never use spirit again.

My flight was at 11:34am at February 4th don’t know the names of the crew, but they were the best, My first great flight. Loved it 😊🥰 Thank you!!

Terrible Airline I will never fly that airline again. Shame on you for recommending them.

Uncomfortable seats and tiny tray table. Expensive snacks. Flight was on time and crew was pleasant but take me back to Southwest!

They switched our terminal 3 times and we were delayed for four plus hours!!!

It was an early flight and most people napped/slept and the crew let us which was nice.

The crew acted like they had never done this and kept barking passive aggressive orders at people. + the security line + the delay + sitting on the tarmac for 2 hours + none of the apps or signage updating with correct times

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Everything you need to know for your flight from Baltimore to Luis Munoz Marin Intl

Other airlines flying to Baltimore

Flight deals from the most popular airlines with KAYAK users flying the route