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Cheap flights from Billings to San Juan from $396

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 San Juan departing on 10/30. 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 San Juan

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
vie., dic. 5 - mar., dic. 9
United Airlines Logo
7:00 am - 5:25 pmBIL-SJU
8h 25m1 stop
United Airlines Logo
1:25 pm - 8:54 pmSJU-BIL
9h 29m1 stop
$558United Airlines
Find Deal
mié., mar. 18 - jue., mar. 26
United Airlines Logo
7:00 am - 6:25 pmBIL-SJU
8h 25m1 stop
United Airlines Logo
8:30 am - 9:18 pmSJU-BIL
15h 48m2 stops
$569United Airlines
Find Deal
mar., nov. 18 - mar., nov. 25
American Airlines Logo
2:15 pm - 3:59 pmBIL-SJU
22h 44m2 stops
American Airlines Logo
8:04 am - 8:57 pmSJU-BIL
15h 53m1 stop
$570American Airlines
Find Deal
sáb., feb. 7 - sáb., feb. 14
United Airlines Logo
7:00 am - 10:22 pmBIL-SJU
12h 22m2 stops
United Airlines Logo
2:05 am - 1:18 pmSJU-BIL
14h 13m2 stops
$576United Airlines
Find Deal
vie., dic. 5 - lun., dic. 8
United Airlines Logo
7:00 am - 9:22 pmBIL-SJU
12h 22m2 stops
United Airlines Logo
1:25 pm - 8:54 pmSJU-BIL
9h 29m1 stop
$584United Airlines
Find Deal
mié., mar. 18 - jue., mar. 26
United Airlines Logo
2:45 pm - 6:11 amBIL-SJU
12h 26m2 stops
United Airlines Logo
8:10 am - 9:23 pmSJU-BIL
16h 13m2 stops
$617United Airlines
Find Deal
vie., ene. 9 - mar., ene. 13
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
$618American Airlines
Find Deal
sáb., dic. 6 - lun., dic. 15
United Airlines Logo
7:00 am - 6:25 pmBIL-SJU
8h 25m1 stop
United Airlines Logo
8:10 am - 9:21 pmSJU-BIL
16h 11m2 stops
$621United Airlines
Find Deal
lun., dic. 8 - jue., dic. 11
Multiple Airlines Logo
12:07 pm - 12:16 amBIL-SJU
33h 09m3 stops
Multiple Airlines Logo
8:20 am - 9:12 amSJU-BIL
27h 52m2 stops
$629Multiple Airlines
Find Deal
mié., dic. 10 - jue., dic. 18

United Airlines flights from Billings to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Billings to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Mar 18
BIL7:00 amBillings Logan Intl
8h 25m
1 stop
SJU5:25 pmSan Juan Luis Munoz Marin Intl
Mar 26
SJU1:25 pmSan Juan Luis Munoz Marin Intl
9h 29m
1 stop
BIL8:54 pmBillings Logan Intl
$558
Find similar
United Airlines
Nov 18
BIL7:00 amBillings Logan Intl
8h 25m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Nov 25
SJU8:30 amSan Juan Luis Munoz Marin Intl
15h 48m
2 stops
BIL9:18 pmBillings Logan Intl
$569
Find similar
United Airlines
Dec 5
BIL7:00 amBillings Logan Intl
12h 22m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Dec 8
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
BIL1:18 pmBillings Logan Intl
$576
Find similar

American Airlines flights from Billings to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Billings to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Dec 5
BIL1:58 pmBillings Logan Intl
17h 11m
2 stops
SJU10:09 amSan Juan Luis Munoz Marin Intl
Dec 9
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
22h 44m
2 stops
SJU3:59 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU8:04 amSan Juan Luis Munoz Marin Intl
15h 53m
1 stop
BIL8:57 pmBillings Logan Intl
$570
Find similar
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
$618
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to San Juan Luis Munoz Marin Intl Airport 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 octubre 23, 2025.
Use the filters below to find and compare flights from Billings to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

vie. 12/5

1:58 pm-10:09 am

2 stops17h 11m

San Juan Luis Munoz Marin Intl

mar. 12/9

6:42 pm-1:28 pm

2 stops21h 46m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 3/18

7:00 am-5:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

jue. 3/26

1:25 pm-8:54 pm

1 stop9h 29m

$558

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 11/18

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

mar. 11/25

8:30 am-9:18 pm

2 stops15h 48m

$569

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 2/7

2:15 pm-3:59 pm

2 stops22h 44m

San Juan Luis Munoz Marin Intl

sáb. 2/14

8:04 am-8:57 pm

1 stop15h 53m

$570

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

vie. 12/5

7:00 am-10:22 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

lun. 12/8

2:05 am-1:18 pm

2 stops14h 13m

$576

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 3/18

7:00 am-9:22 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

jue. 3/26

1:25 pm-8:54 pm

1 stop9h 29m

$584

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

vie. 1/9

2:45 pm-6:11 am

2 stops12h 26m

San Juan Luis Munoz Marin Intl

mar. 1/13

8:10 am-9:23 pm

2 stops16h 13m

$617

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

$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

8:10 am-9:21 pm

2 stops16h 11m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 12/10

12:07 pm-12:16 am

3 stops33h 09m

San Juan Luis Munoz Marin Intl

jue. 12/18

8:20 am-9:12 am

2 stops27h 52m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Billings to San Juan Luis Munoz Marin Intl Airport

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 typical price of a round-trip flight between Billings and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport 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. On the other hand, Thursday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $902.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $735. Flights in the morning are often more expensive with an average ticket price of $811.

When to book flights from Billings to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to San Juan Luis Munoz Marin Intl Airport (BIL to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to San Juan Luis Munoz Marin Intl Airport

Direct flights

None
There are no direct flights from Billings to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Billings to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Billings Logan Intl to San Juan Luis Munoz Marin Intl by plane?

    The distance between Billings Logan Intl and San Juan Luis Munoz Marin Intl is about 3065.6 mi. 8h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Billings to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Billings to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Billings to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

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Can I find flights from Billings to San Juan with flexible booking policies on momondo?

All flight searches from Billings to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Billings to San Juan?

Once you have performed a search for Billings to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Billings and alert you when they change.

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