Cheap flights from St. Louis to Simpson Bay from $517
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Simpson Bay departing on 8/20. 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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Cheap round-trip flights
American Airlines flights from St. Louis to Simpson Bay
Our best American Airlines deals on St. Louis to Simpson Bay flight tickets
Delta flights from St. Louis to Simpson Bay
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How to get the cheapest flight ticket from St. Louis to Simpson Bay
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 St. Louis and Simpson Bay?
What is the cheapest month to fly to Simpson Bay?
In general, August is the cheapest month to fly from St. Louis to Simpson Bay. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $518. If you aren’t able to travel to Simpson Bay during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $603.
What is the cheapest day to depart on your flight to Simpson Bay?
Our data shows that Wednesday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $592. Flights from St. Louis to Simpson Bay on a Saturday will generally be more expensive and average around $774. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Simpson Bay?
According to our data, the cheapest time of day to fly to Simpson Bay is in the evening. momondo users have found flights departing from St. Louis to Simpson Bay in the evening for as low as $638. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Simpson Bay is in the afternoon when prices are around $726.
How far in advance should I book a flight to Simpson Bay?
You are more likely to see cheaper flights to Simpson Bay from St. Louis when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Simpson Bay for around $724 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Simpson Bay from St. Louis for as low as $490 on momondo.
When to book flights from St. Louis to Simpson Bay
Cheap St. Louis to Simpson Bay (STL to SXM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Simpson Bay
How far is Lambert-St Louis to Simpson Bay Princess Juliana by plane?
The distance between Lambert-St Louis and Simpson Bay Princess Juliana is about 2159.4 mi. 6h 41m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?
Prices for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?
The number of operators available for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport is 2 as of June 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport.
What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?
The travel and health documents you'll need for your trip to Simpson Bay Princess Juliana Airport 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 Simpson Bay Princess Juliana Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Simpson Bay?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Simpson Bay is American Airlines, representing 77% of all bookings. The subsequent popular airline is Delta at 23%.
Best airlines flying from St. Louis to Simpson Bay
Compare and see reviews for airlines that fly from St. Louis to Simpson Bay with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $513 | Free Cancellation | Rating 7.2 10,000 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Simpson Bay?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Simpson Bay for you.
Can I find flights from St. Louis to Simpson Bay with flexible booking policies on momondo?
Flights from St. Louis to Simpson Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Simpson Bay?
momondo provides multiple filters to help you find the best flight to Simpson Bay from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Simpson Bay right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Simpson Bay 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.