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Cheap flights from Billings to Puerto Rico from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Puerto Rico departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:58 pm - 10:09 amBIL-SJU
17h 11m2 stops
American Airlines Logo
6:42 pm - 1:28 pmSJU-BIL
21h 46m2 stops
$531American Airlines
Find Deal
sáb., dic. 6 - lun., dic. 15
American Airlines Logo
2:15 pm - 12:30 pmBIL-SJU
19h 15m2 stops
American Airlines Logo
7:00 am - 9:35 pmSJU-BIL
17h 35m2 stops
$570American Airlines
Find Deal
sáb., feb. 7 - sáb., feb. 14
American Airlines Logo
2:15 pm - 10:48 amBIL-SJU
17h 33m2 stops
American Airlines Logo
7:12 pm - 1:36 pmSJU-BIL
21h 24m2 stops
$609American Airlines
Find Deal
vie., ene. 16 - lun., ene. 19
American Airlines Logo
7:52 am - 3:55 amBIL-SJU
18h 03m1 stop
American Airlines Logo
3:50 pm - 11:55 amSJU-BIL
22h 05m2 stops
$618American Airlines
Find Deal
mar., mar. 31 - mar., abr. 7
United Airlines Logo
7:00 am - 6:25 pmBIL-SJU
8h 25m1 stop
United Airlines Logo
2:25 pm - 9:21 pmSJU-BIL
9h 56m1 stop
$621United Airlines
Find Deal
lun., dic. 8 - jue., dic. 11
United Airlines Logo
7:00 am - 10:22 pmBIL-SJU
12h 22m2 stops
United Airlines Logo
10:15 am - 9:21 pmSJU-BIL
14h 06m2 stops
$670United Airlines
Find Deal
mar., feb. 24 - lun., mar. 2
Multiple Airlines Logo
3:32 pm - 5:21 pmBIL-SJU
22h 49m3 stops
Multiple Airlines Logo
11:55 am - 9:34 pmSJU-BIL
36h 39m3 stops
$682Multiple Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
Multiple Airlines Logo
3:32 pm - 3:17 pmBIL-SJU
20h 45m2 stops
Multiple Airlines Logo
11:55 am - 9:34 pmSJU-BIL
36h 39m3 stops
$704Multiple Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
Alaska Airlines Logo
3:35 pm - 10:26 pmBIL-SJU
27h 51m3 stops
Alaska Airlines Logo
7:30 am - 10:43 pmSJU-BIL
18h 13m2 stops
$2,593Alaska Airlines
Find Deal
sáb., feb. 7 - sáb., feb. 14
Alaska Airlines Logo
3:35 pm - 11:33 pmBIL-SJU
28h 58m3 stops
Alaska Airlines Logo
4:03 pm - 10:43 pmSJU-BIL
33h 40m3 stops
$2,633Alaska Airlines
Find Deal
mar., feb. 24 - lun., mar. 2

American Airlines flights from Billings to Puerto Rico

Our best American Airlines deals on Billings to Puerto Rico flight tickets
American Airlines
Dec 6
BIL1:58 pmBillings Logan Intl
17h 11m
2 stops
SJU10:09 amSan Juan Luis Munoz Marin Intl
Dec 15
SJU6:42 pmSan Juan Luis Munoz Marin Intl
21h 46m
2 stops
BIL1:28 pmBillings Logan Intl
$531
Find similar
American Airlines
Feb 7
BIL2:15 pmBillings Logan Intl
19h 15m
2 stops
SJU12:30 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU7:00 amSan Juan Luis Munoz Marin Intl
17h 35m
2 stops
BIL9:35 pmBillings Logan Intl
$570
Find similar
American Airlines
Jan 16
BIL2:15 pmBillings Logan Intl
17h 33m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Jan 19
SJU7:12 pmSan Juan Luis Munoz Marin Intl
21h 24m
2 stops
BIL1:36 pmBillings Logan Intl
$609
Find similar

United Airlines flights from Billings to Puerto Rico

Our best United Airlines deals on Billings to Puerto Rico flight tickets
United Airlines
Dec 8
BIL7:00 amBillings Logan Intl
8h 25m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU2:25 pmSan Juan Luis Munoz Marin Intl
9h 56m
1 stop
BIL9:21 pmBillings Logan Intl
$621
Find similar
United Airlines
Feb 24
BIL7:00 amBillings Logan Intl
12h 22m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Mar 2
SJU10:15 amSan Juan Luis Munoz Marin Intl
14h 06m
2 stops
BIL9:21 pmBillings Logan Intl
$670
Find similar
United Airlines
Mar 31
BIL7:00 amBillings Logan Intl
14h 57m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Apr 6
SJU1:05 amSan Juan Luis Munoz Marin Intl
21h 46m
2 stops
BIL8:51 pmBillings Logan Intl
$719
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 3, 2025.
Use the filters below to find and compare flights from Billings to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 12/6

1:58 pm-10:09 am

2 stops17h 11m

San Juan Luis Munoz Marin Intl

lun. 12/15

6:42 pm-1:28 pm

2 stops21h 46m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 2/7

2:15 pm-12:30 pm

2 stops19h 15m

San Juan Luis Munoz Marin Intl

sáb. 2/14

7:00 am-9:35 pm

2 stops17h 35m

$570

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

vie. 1/16

2:15 pm-10:48 am

2 stops17h 33m

San Juan Luis Munoz Marin Intl

lun. 1/19

7:12 pm-1:36 pm

2 stops21h 24m

$609

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 3/31

7:52 am-3:55 am

1 stop18h 03m

San Juan Luis Munoz Marin Intl

mar. 4/7

3:50 pm-11:55 am

2 stops22h 05m

$618

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

lun. 12/8

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

jue. 12/11

2:25 pm-9:21 pm

1 stop9h 56m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 2/24

7:00 am-10:22 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

lun. 3/2

10:15 am-9:21 pm

2 stops14h 06m

$670

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 11/26

3:32 pm-5:21 pm

3 stops22h 49m

San Juan Luis Munoz Marin Intl

mié. 12/3

11:55 am-9:34 pm

3 stops36h 39m

$682

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 11/26

3:32 pm-3:17 pm

2 stops20h 45m

San Juan Luis Munoz Marin Intl

mié. 12/3

11:55 am-9:34 pm

3 stops36h 39m

$704

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 2/7

3:35 pm-10:26 pm

3 stops27h 51m

San Juan Luis Munoz Marin Intl

sáb. 2/14

7:30 am-10:43 pm

2 stops18h 13m

$2,593

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 2/24

3:35 pm-11:33 pm

3 stops28h 58m

San Juan Luis Munoz Marin Intl

lun. 3/2

4:03 pm-10:43 pm

3 stops33h 40m

$2,633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Billings to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Billings is on a Monday. momondo users have found tickets for Monday departures for as low as $644. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Thursday, with ticket prices averaging around $902.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Billings to Puerto Rico during this time can be as low as $735. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $811.

Cheap Billings to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Puerto Rico

Direct flights

None
There are no direct flights from Billings to Puerto Rico. There are no popular flight routes from Billings to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Puerto Rico?

    Prices for flights from Billings Logan Intl Airport to Puerto Rico are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to Puerto Rico?

  • How old do you have to be to fly from Billings Logan Intl Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Billings to Puerto Rico

Compare and see reviews for airlines that fly from Billings to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Puerto Rico?

Finding the right flight to Puerto Rico from Billings is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Billings to Puerto Rico with flexible booking policies on momondo?

Yes. All flights to Puerto Rico from Billings on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Billings to Puerto Rico?

momondo provides multiple filters to help you find the best flight to Puerto Rico from Billings. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Billings to Puerto Rico right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Billings to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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