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Cheap flights from Billings to San Juan from $210

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Billings to San Juan (BIL-SJU)

Cheap round-trip flights

American Airlines Logo
2:04 pm - 12:05 pmBIL-SJU
19h 01m2 stops
American Airlines Logo
8:09 am - 8:51 pmSJU-BIL
15h 42m1 stop
$561American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
United Airlines Logo
7:00 am - 11:57 pmBIL-SJU
14h 57m2 stops
United Airlines Logo
1:05 am - 1:18 pmSJU-BIL
14h 13m2 stops
$593United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
2:04 pm - 12:05 pmBIL-SJU
19h 01m2 stops
American Airlines Logo
6:20 pm - 11:55 amSJU-BIL
20h 35m2 stops
$608American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
American Airlines Logo
7:43 am - 8:55 pmBIL-SJU
10h 12m1 stop
American Airlines Logo
8:09 am - 8:51 pmSJU-BIL
15h 42m1 stop
$611American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
American Airlines Logo
6:00 am - 11:37 pmBIL-SJU
15h 37m2 stops
American Airlines Logo
7:00 am - 9:53 pmSJU-BIL
16h 53m2 stops
$621American Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
United Airlines Logo
5:54 pm - 2:44 pmBIL-SJU
18h 50m2 stops
United Airlines Logo
1:05 am - 1:18 pmSJU-BIL
14h 13m2 stops
$666United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:15 am - 11:58 pmBIL-SJU
14h 43m2 stops
Delta Logo
4:25 pm - 10:50 pmSJU-BIL
9h 25m1 stop
$895Delta
Find Deal
Fri, Jan 16 - Mon, Jan 19
Delta Logo
6:25 am - 10:00 pmBIL-SJU
13h 35m2 stops
Delta Logo
2:05 pm - 11:18 pmSJU-BIL
11h 13m2 stops
$1,575Delta
Find Deal
Sat, Oct 4 - Fri, Oct 10
Alaska Airlines Logo
3:35 pm - 2:40 pmBIL-SJU
20h 05m2 stops
Alaska Airlines Logo
8:09 am - 12:51 pmSJU-BIL
31h 42m3 stops
$2,661Alaska Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
Alaska Airlines Logo
3:35 pm - 2:53 pmBIL-SJU
20h 18m2 stops
Alaska Airlines Logo
8:09 am - 12:51 pmSJU-BIL
31h 42m3 stops
$2,953Alaska Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 14

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
Oct 4
BIL7:00 amBillings Logan Intl
14h 57m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU1:05 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
BIL1:18 pmBillings Logan Intl
$593
Find similar
United Airlines
Oct 4
BIL5:54 pmBillings Logan Intl
18h 50m
2 stops
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU1:05 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
BIL1:18 pmBillings Logan Intl
$666
Find similar
United Airlines
Oct 4
BIL5:00 amBillings Logan Intl
10h 30m
1 stop
SJU5:30 pmSan Juan Luis Munoz Marin Intl
Oct 8
SJU2:00 pmSan Juan Luis Munoz Marin Intl
10h 46m
1 stop
BIL10:46 pmBillings Logan Intl
$725
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 6
BIL2:04 pmBillings Logan Intl
19h 01m
2 stops
SJU12:05 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU8:09 amSan Juan Luis Munoz Marin Intl
15h 42m
1 stop
BIL8:51 pmBillings Logan Intl
$561
Find similar
American Airlines
Dec 6
BIL2:04 pmBillings Logan Intl
19h 01m
2 stops
SJU12:05 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU6:20 pmSan Juan Luis Munoz Marin Intl
20h 35m
2 stops
BIL11:55 amBillings Logan Intl
$608
Find similar
American Airlines
Dec 6
BIL7:43 amBillings Logan Intl
10h 12m
1 stop
SJU8:55 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU8:09 amSan Juan Luis Munoz Marin Intl
15h 42m
1 stop
BIL8:51 pmBillings Logan Intl
$611
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 August 7, 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

Sat 12/6

2:04 pm-12:05 pm

2 stops19h 01m

San Juan Luis Munoz Marin Intl

Mon 12/15

8:09 am-8:51 pm

1 stop15h 42m

$561

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 10/4

7:00 am-11:57 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

Tue 10/7

1:05 am-1:18 pm

2 stops14h 13m

$593

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

2:04 pm-12:05 pm

2 stops19h 01m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:20 pm-11:55 am

2 stops20h 35m

$608

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

7:43 am-8:55 pm

1 stop10h 12m

San Juan Luis Munoz Marin Intl

Mon 12/15

8:09 am-8:51 pm

1 stop15h 42m

$611

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 10/4

6:00 am-11:37 pm

2 stops15h 37m

San Juan Luis Munoz Marin Intl

Wed 10/8

7:00 am-9:53 pm

2 stops16h 53m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 10/4

5:54 pm-2:44 pm

2 stops18h 50m

San Juan Luis Munoz Marin Intl

Tue 10/7

1:05 am-1:18 pm

2 stops14h 13m

$666

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 1/16

6:15 am-11:58 pm

2 stops14h 43m

San Juan Luis Munoz Marin Intl

Mon 1/19

4:25 pm-10:50 pm

1 stop9h 25m

$895

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 10/4

6:25 am-10:00 pm

2 stops13h 35m

San Juan Luis Munoz Marin Intl

Fri 10/10

2:05 pm-11:18 pm

2 stops11h 13m

$1,575

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

3:35 pm-2:40 pm

2 stops20h 05m

San Juan Luis Munoz Marin Intl

Mon 12/15

8:09 am-12:51 pm

3 stops31h 42m

$2,661

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

3:35 pm-2:53 pm

2 stops20h 18m

San Juan Luis Munoz Marin Intl

Sun 12/14

8:09 am-12:51 pm

3 stops31h 42m

$2,953

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 San Juan from

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 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

Best Price Found

$210

Fastest flight time

8h 25m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Billings in the past 72 hours is $210. The best round-trip flight deal from Billings to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $561.
The fastest flight from Billings to San Juan Luis Munoz Marin Intl Airport takes 8h 25m
There are no direct flights from Billings to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Billings Logan Intl Airport - 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 $494Free CancellationRating
7.4
8,917 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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Why should I use momondo to find a flight deal from Billings to San Juan?

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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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