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Cheap flights from Billings to Puerto Rico from $621

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Puerto Rico departing on 9/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
1:13 pm - 9:24 am
BIL
-
SJU
18h 11m
2 stops
American Airlines Logo
3:41 pm - 11:57 am
SJU
-
BIL
22h 16m
2 stops
$621American Airlines
Thu, Sep 10 - Fri, Sep 18
American Airlines Logo
1:13 pm - 9:24 am
BIL
-
SJU
18h 11m
2 stops
American Airlines Logo
4:38 pm - 12:43 pm
SJU
-
BIL
22h 05m
2 stops
$632American Airlines
Wed, Sep 9 - Sat, Sep 19
American Airlines Logo
1:13 pm - 11:00 am
BIL
-
SJU
19h 47m
2 stops
American Airlines Logo
4:38 pm - 11:57 am
SJU
-
BIL
21h 19m
2 stops
$643American Airlines
Wed, Sep 9 - Sat, Sep 19
American Airlines Logo
1:13 pm - 9:24 am
BIL
-
SJU
18h 11m
2 stops
American Airlines Logo
11:51 am - 10:10 pm
SJU
-
BIL
12h 19m
2 stops
$675American Airlines
Thu, Sep 10 - Fri, Sep 18
United Airlines Logo
7:00 am - 11:50 pm
BIL
-
SJU
14h 50m
2 stops
United Airlines Logo
2:00 pm - 10:53 pm
SJU
-
BIL
10h 53m
1 stop
$676United Airlines
Wed, Sep 9 - Sat, Sep 19
United Airlines Logo
7:00 am - 11:50 pm
BIL
-
SJU
14h 50m
2 stops
United Airlines Logo
2:00 pm - 10:53 pm
SJU
-
BIL
10h 53m
1 stop
$686United Airlines
Wed, Sep 9 - Sat, Sep 19
United Airlines Logo
7:00 am - 11:50 pm
BIL
-
SJU
14h 50m
2 stops
United Airlines Logo
7:00 am - 5:16 pm
SJU
-
BIL
12h 16m
2 stops
$701United Airlines
Thu, Sep 10 - Fri, Sep 18
United Airlines Logo
2:29 pm - 2:44 pm
BIL
-
SJU
22h 15m
2 stops
United Airlines Logo
3:56 pm - 11:02 am
SJU
-
BIL
21h 06m
1 stop
$707United Airlines
Thu, Sep 10 - Fri, Sep 18
United Airlines Logo
5:00 am - 8:38 pm
BIL
-
SJU
13h 38m
2 stops
United Airlines Logo
1:25 pm - 1:21 pm
SJU
-
BIL
25h 56m
3 stops
$750United Airlines
Wed, Sep 9 - Sat, Sep 19
American Airlines Logo
1:58 pm - 5:19 am
BIL
-
SJU
12h 21m
1 stop
American Airlines Logo
7:00 am - 9:15 pm
SJU
-
BIL
17h 15m
1 stop
$784American Airlines
Mon, Dec 7 - Mon, Dec 14

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American Airlines flights from Billings to Puerto Rico

Our best American Airlines deals on Billings to Puerto Rico flight tickets
American Airlines
Sep 10
BIL1:13 pmBillings Logan Intl
18h 11m
2 stops
SJU9:24 amSan Juan Luis Munoz Marin Intl
Sep 18
SJU3:41 pmSan Juan Luis Munoz Marin Intl
22h 16m
2 stops
BIL11:57 amBillings Logan Intl
$621
American Airlines
Sep 9
BIL1:13 pmBillings Logan Intl
18h 11m
2 stops
SJU9:24 amSan Juan Luis Munoz Marin Intl
Sep 19
SJU4:38 pmSan Juan Luis Munoz Marin Intl
22h 05m
2 stops
BIL12:43 pmBillings Logan Intl
$632
American Airlines
Sep 9
BIL1:13 pmBillings Logan Intl
19h 47m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 19
SJU4:38 pmSan Juan Luis Munoz Marin Intl
21h 19m
2 stops
BIL11:57 amBillings Logan Intl
$643

United Airlines flights from Billings to Puerto Rico

Our best United Airlines deals on Billings to Puerto Rico flight tickets
United Airlines
Sep 9
BIL7:00 amBillings Logan Intl
14h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 19
SJU2:00 pmSan Juan Luis Munoz Marin Intl
10h 53m
1 stop
BIL10:53 pmBillings Logan Intl
$676
United Airlines
Sep 9
BIL7:00 amBillings Logan Intl
14h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 19
SJU2:00 pmSan Juan Luis Munoz Marin Intl
10h 53m
1 stop
BIL10:53 pmBillings Logan Intl
$686
United Airlines
Sep 10
BIL7:00 amBillings Logan Intl
14h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 18
SJU7:00 amSan Juan Luis Munoz Marin Intl
12h 16m
2 stops
BIL5:16 pmBillings Logan Intl
$701

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 July 27, 2026.
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

Cheapest round-trip

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

1:13 pm-9:24 am

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Fri 9/18

3:41 pm-11:57 am

2 stops22h 16m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 9/9

1:13 pm-9:24 am

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Sat 9/19

4:38 pm-12:43 pm

2 stops22h 05m

$632

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 9/9

1:13 pm-11:00 am

2 stops19h 47m

San Juan Luis Munoz Marin Intl

Sat 9/19

4:38 pm-11:57 am

2 stops21h 19m

$643

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

1:13 pm-9:24 am

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Fri 9/18

11:51 am-10:10 pm

2 stops12h 19m

$675
Quickest round-trip

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 9/9

7:00 am-11:50 pm

2 stops14h 50m

San Juan Luis Munoz Marin Intl

Sat 9/19

2:00 pm-10:53 pm

1 stop10h 53m

$676

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 9/9

7:00 am-11:50 pm

2 stops14h 50m

San Juan Luis Munoz Marin Intl

Sat 9/19

2:00 pm-10:53 pm

1 stop10h 53m

$686

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

7:00 am-11:50 pm

2 stops14h 50m

San Juan Luis Munoz Marin Intl

Fri 9/18

7:00 am-5:16 pm

2 stops12h 16m

$701

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

2:29 pm-2:44 pm

2 stops22h 15m

San Juan Luis Munoz Marin Intl

Fri 9/18

3:56 pm-11:02 am

1 stop21h 06m

$707

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 9/9

5:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:25 pm-1:21 pm

3 stops25h 56m

$750

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 12/7

1:58 pm-5:19 am

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Mon 12/14

7:00 am-9:15 pm

1 stop17h 15m

$784

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Billings to Puerto Rico takes 8h 25m
There are no direct flights from Billings to Puerto Rico. There are no popular flight routes from Billings to Puerto Rico.
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Frequently asked questions about flying from Billings to Puerto Rico

  • 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
10,042 reviews
Search United Airlines flights

Frequently asked questions about flying from Billings to Puerto Rico

  • How do I get Price Alerts for flights from Billings to Puerto Rico?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Billings from Puerto Rico. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Billings to Puerto Rico with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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Wed 8/26
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