Cheap Flights from St. Louis (STL) to Saipan (SPN)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Saipan (SPN-Saipan Intl.)

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Cheap Flights from St. Louis to Saipan (STL-SPN)

Prices were available within the past 7 days and start at for one-way flights and $2,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 18 - Sat, Oct 25
STL
St. Louis
SPN
Saipan
$2,150 Roundtrip, found 3 days ago
$2,150
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 18 from St. Louis to Saipan, returning Sat, Oct 25, priced at $2,150 found 3 days ago
United
Sat, Oct 18 - Sat, Oct 25
STL
St. Louis
SPN
Saipan
$2,227 Roundtrip, found 3 days ago
$2,227
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 18 from St. Louis to Saipan, returning Sat, Oct 25, priced at $2,227 found 3 days ago
United
Sat, Oct 18 - Sat, Oct 25
STL
St. Louis
SPN
Saipan
$2,280 Roundtrip, found 3 days ago
$2,280
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 18 from St. Louis to Saipan, returning Sat, Oct 25, priced at $2,280 found 3 days ago
United
Sat, Oct 18 - Sat, Oct 25
STL
St. Louis
SPN
Saipan
$2,357 Roundtrip, found 3 days ago
$2,357
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 18 from St. Louis to Saipan, returning Sat, Oct 25, priced at $2,357 found 3 days ago
United
Mon, Feb 2 - Sat, Feb 7
STL
St. Louis
SPN
Saipan
$2,427 Roundtrip, found 4 days ago
$2,427
Roundtrip
found 4 days ago
Select United flight, departing Mon, Feb 2 from St. Louis to Saipan, returning Sat, Feb 7, priced at $2,427 found 4 days ago
United
Sun, Dec 14 - Fri, Dec 19
STL
St. Louis
SPN
Saipan
$2,805 Roundtrip, found 2 days ago
$2,805
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 14 from St. Louis to Saipan, returning Fri, Dec 19, priced at $2,805 found 2 days ago
United
Sun, Dec 14 - Fri, Dec 19
STL
St. Louis
SPN
Saipan
$2,807 Roundtrip, found 2 days ago
$2,807
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 14 from St. Louis to Saipan, returning Fri, Dec 19, priced at $2,807 found 2 days ago
United
Sun, Dec 14 - Fri, Dec 19
STL
St. Louis
SPN
Saipan
$2,817 Roundtrip, found 2 days ago
$2,817
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 14 from St. Louis to Saipan, returning Fri, Dec 19, priced at $2,817 found 2 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN) cost?
Snag a cheap one-way flight or cheap return flight from $2,150 from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN)?
Planning your trip for October can help you save, as it's the cheapest month for flights between STL and SPN. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN)?
To find the cheapest airline flying from STL to SPN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to SPN?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN) last-minute?
Booking your flight from STL to SPN shortly before your trip is typically more expensive. However, if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to SPN flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to SPN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Saipan Intl. Airport (SPN)?
In most cases, you can reschedule or cancel your STL to SPN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Saipan Intl.
Roundtrip price
$2,150
Distance
7246 mi

Book with confidence

Book with confidence

St. Louis to Saipan Flights

The cheapest times to fly from St. Louis to Saipan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Saipan are during the month of October. You can find some of the cheapest flights from St. Louis to Saipan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Saipan

Sunday is one of the best days to book for cheap flights from St. Louis to Saipan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Saipan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Saipan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Saipan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Saipan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Saipan Flights

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Explore a world of travel with Expedia

*Available to One Key members.