SJU - BWI

$146 Find Cheap Flights from San Juan Airport to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Luis Munoz Marin Intl to Baltimore departing on 7/16. 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 Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Baltimore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Baltimore, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$255
Typical prices: $192-$412
Frontier
Tue 9/1Tue 9/8
SJU - BWI • Non-stop
Cheapest one-way
$146
Typical prices: $122-$204
Frontier
Thu 7/16
SJU - BWI • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
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
Expert advice
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Expert advice
Expert advice
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Top airlines
Cheapest • from $255 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Nonstop flights
You can fly direct with Frontier and Southwest. Average duration is 4h 09m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $251 (round-trip)
Shortest trip • 6h 32m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Baltimore!
Flight Deals
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Expert advice
Flight Deals

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

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

Tue, Sep 1 - Tue, Sep 8
Frontier Logo
2:14 pm - 6:23 pm
SJU
-
BWI
4h 09mnonstop
Frontier Logo
7:18 pm - 11:20 pm
BWI
-
SJU
4h 02mnonstop
$255Frontier
Wed, Aug 5 - Wed, Aug 5
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
6:48 pm - 7:57 am
BWI
-
SJU
13h 09m
1 stop
$257Frontier
Mon, Jul 27 - Wed, Aug 5
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$260Frontier
Thu, Jul 23 - Mon, Jul 27
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$261Frontier
Tue, Aug 18 - Mon, Aug 24
Frontier Logo
5:55 am - 9:59 pm
SJU
-
BWI
16h 04m
2 stops
Frontier Logo
7:18 pm - 11:20 pm
BWI
-
SJU
4h 02mnonstop
$262Frontier
Mon, Jul 27 - Fri, Aug 7
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$265Frontier
Mon, Jul 27 - Sat, Aug 8
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$266Frontier
Wed, Aug 19 - Tue, Aug 25
Frontier Logo
5:37 pm - 12:24 pm
SJU
-
BWI
18h 47m
2 stops
Frontier Logo
7:18 pm - 11:20 pm
BWI
-
SJU
4h 02mnonstop
$267Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$268Frontier
Thu, Aug 6 - Sat, Aug 15
Frontier Logo
7:34 am - 11:40 am
SJU
-
BWI
4h 06mnonstop
Frontier Logo
12:35 pm - 4:40 pm
BWI
-
SJU
4h 05mnonstop
$269Frontier
Booking Insights

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

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

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

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

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

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

If you are looking for a flight deal from San Juan Airport to Baltimore, look for departures on Thursdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Baltimore, Monday is the cheapest day to fly and Friday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Baltimore, 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 San Juan Luis Munoz Marin Intl Airport to Baltimore is April, where tickets cost $205 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $329 and $317 respectively.

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

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.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $352 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Baltimore, 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 San Juan Luis Munoz Marin Intl Airport to Baltimore, you should book around 2 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Expert advice

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

 
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
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 seasonMarch
Cheapest flight$146
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from San Juan Airport to Baltimore

When to book flights from Luis Munoz Marin Intl to Baltimore

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

Flights from Luis Munoz Marin Intl to Baltimore: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Luis Munoz Marin Intl to Baltimore 
JoseFlew with Frontier
SJU
-
BWI
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
SJU
-
BWI
Apr 2025
Go early to the airport. Pay for your baggage early to get a discount.

FAQs for booking San Juan Airport to Baltimore flights

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

    In the last 5 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Baltimore was $144 for a one-way ticket and $255 for a round-trip.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in San Juan Airport and on arrival in Baltimore.

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

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

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

    The Airbus A321neo is the aircraft model that flies most regularly on the San Juan Airport to Baltimore flight route.

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

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

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

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

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

    The two airlines most popular with KAYAK users for flights from San Juan to Baltimore are Southwest and United Airlines. With an average price for the route of $493 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $288 and an overall rating of 7.4.

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

    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 San Juan Airport to Baltimore.

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

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

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

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

  • Looking for a cheap flight? 25% of our users found flights on this route for $177 or less one-way and $321 or less round-trip.

Prefer to fly direct from San Juan Airport to Baltimore?

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

Frontier,Southwest

Tuesday

Frontier,Southwest

Frontier,Southwest

Wednesday

Frontier,Southwest

Frontier,Southwest

Thursday

Frontier,Southwest

Frontier,Southwest

Friday

Frontier,Southwest

Frontier,Southwest

Saturday

Frontier,Southwest

Frontier,Southwest

Sunday

Frontier,Southwest

Frontier,Southwest

See more direct flights

Direct returns

Baltimore/Washington to San Juan Luis Munoz Marin Intl

Monday

Frontier,Southwest

Frontier,Southwest

Tuesday

Frontier,Southwest

Frontier,Southwest

Wednesday

Frontier,Southwest

Frontier,Southwest

Thursday

Frontier,Southwest

Frontier,Southwest

Friday

Frontier,Southwest

Frontier,Southwest

Saturday

Frontier,Southwest

Frontier,Southwest

Sunday

Frontier,Southwest

Frontier,Southwest

See more direct flights

Reviews of the top 4 airlines serving from Luis Munoz Marin Intl to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from San Juan to Baltimore. 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 Luis Munoz Marin Intl to Baltimore? 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.
7.9
SouthwestOverall score based on 4249 reviews
8.6Crew
8.0Comfort
8.1Boarding
7.0Food
7.5Entertainment
Airline reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

2.0 MediocreDawn, Jun 2026
BUF - BWI
Read more Southwest reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Terrible all around. Left prior review detailing massive delay/cancellation to then rebook travel. Topping on the cake was lost luggage even after travel to ultimate destination was secured on a new plane(s).

I am very please with the service received from Southwest. Although there was a refuel stop in Fl before we got the Baltimore. The service and kindness of the staff was excellent.

Southwest continues to do less for more money. Flight attendants used to be fun and friendly. But now it’s like they don’t even see you. Such a shame.

I liked it better when you were truer to your roots Am paying more for less fun

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

The last 3 flights between BWI and BDL canceled the beverage service mid- way. Just say up front that the fight is too short. Thanks!

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

Never went on board this flight. Kayak uses Underpricer (which is a scam business) as it's "customer service provider". This customer service is a classic bait and switch "service". I Got caught in the UnderPricer Bait and switch scam. 14 hours on the phone with people from India with heavy accents and upselling me to useless products. The original sell was a flight on spirit. Then they contact me later, an say after they have my money that the flight is no good as is is only one seat for a party of two. I am still in dispute to get my money back. Went to Spirit direct and had a beautiful vacation. I should never have used Kayak and their rip off artists UnderPricer.

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

Awful. There was a minor problem with a fridge and they had us 2 hours in the runway before take off. The paper work alone took them half hour. There was no attemp to make up time up while in teansit and when we arrived, they had us another half hour in the plane because of traffic. I, and a bunch of people, lost their onnection flights for 5 to 10 minutes. Not even the attemp to wait given thar all delays, but the taxing, were United's fault. Then another 45 mins to get an agent and no flight alternatives for 2 days. Im am very disapointed with this "premium carrier".

David went above and beyond to make our flight the best that it could be

The crew and flight was amazing. I haven't flown United in years but plan to switch to you being my main airline

IT WAS A LONG TIME SINCE THE LAST TIME I TRAVELED. I THOUGHT I WAS TO BE LOST BUT EVERYONE WAS PRETTY NICE WITH ME AND MADE MY EXPERIENCE NICE. THANKS

Wouldn’t let me check in said couldn’t find a ticket had to wait very long Time

There was a delay that was unexpected. The seats were uncomfortable for the length of the flight.

Seat cushions were worn down and it hurts as I seated under 5 hours of the plane ride.

I wish I had another choice. Domestic flight in the USA is atrocious.

AA was a very good experience. The employees are wonderful

The flight changed gates multiple times and flight had to be delayed multiple times

I like that the crew kept us informed but we moved back and forth from gate to gate before the aircraft arrived.

We had a very pleasant flight with very comfortable seats and nice staff.

Seats in coach aren't padded enough for a 6 hour flight

My trip was delayed for more than 3 hours without any explanation. Also I have a business meeting that I lost.

the handling of my luggage. It was Lost or stolen At my destination.

If we travel with carry on expected to being able to carry the luggage. Could be good if take in consideration the date of reservation to do that

Uncomfortable seats at row 40 A and 40 C, they didn’t recline. Also, my prior seat selection was not honored.

Boarding went fine, the plane was clean, and the crew was very friendly. Seats were a bit cramped, but that seems to be typical on all airlines anymore. Cookies and pretzels were offered as were beverages - the usual. I’d fly American again.

Frontier line changes my flight schedule with out my authorization. They never ask me and with out my concern they cut off 4 hours of my vacation they force my to leave 4 hours early from Puerto Rico.

Good- no snacks on a 4+ hour flight is painful but more painful was the lack of WiFi.

Inbound plane was on time and flight departed on time with no issues while boarding.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

The Boarding process in Denver was chaotic, and since the line was so long, we were lined up very far from the gate. If there were any announcements from the gate staff, we didn't hear them. The flight attendants were spectacular. The only negative part of the flight was sitting by a 2 1/2 year old who was unruly and unfortunately had parents that matched his behaviors. Also, the restaurants in Denver on the E concourse, they didn't have food (passengers could only order 1 item on the entire menu) or the restaurants had 12-14 people waiting for orders to be prepared and another 6 people waiting to order. If you have a layover in Denver and need to grab food, be prepared to visit the shops with pre-packaged sandwiches, or you can visit another concourse but it may take a while to transit throughout the airport.

I guess you get what you pay for. The seats are very uncomfortable and very little space. The snacks were pricey.

Flight was changed (according to Frontier, by Kayak) without my notification. And all flights were delayed by at least an hour and a half. Uncomfortable plane. Bad service. Will never fly Frontier again.

Was left with many other passengers in SJU by frontier airlines due to delay caused by frontier. Worst experience ever and worst airline ever.

30 minute delay due to boarding and settling of a family.

Flight was fine, but the legroom between seats for taller passengers is very tight and bad on the knees. I t is very hard to find an angle, that works, especially on a long flight!!!

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

Information on your arrival and departure airports