Cheap flights from St. Louis to Alaska from $233
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alaska departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Alaska
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 month to fly to Alaska?
If you don’t want to visit Alaska in November, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $505.
What is the cheapest day to depart on your flight to Alaska?
The cheapest day to depart from St. Louis to Alaska is on a Monday. Travelers who choose to depart for Alaska on a Monday will often find tickets for as low as $650. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Alaska for around $792.
What is the cheapest time of day to depart on your flight to Alaska?
Our data shows that the cheapest St. Louis to Alaska flights are usually those with departure times in the afternoon. Our users have found flights to Alaska in the afternoon for as low as $700. At noon is when there is more demand to fly to Alaska, so prices are often more expensive at around $738 per ticket.
How far in advance should I book a flight to Alaska?
You are more likely to see cheaper flights to Alaska from St. Louis when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $624 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from St. Louis for as low as $570 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Alaska?
Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Lambert-St Louis to Alaska
What airlines fly to Alaska?
Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Alaska from St. Louis according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Alaska. Keep in mind that there are 5 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Alaska flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alaska
When did momondo last update prices for flights from Lambert-St Louis Airport to Alaska?
Prices for flights from Lambert-St Louis Airport to Alaska refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Alaska?
As of May 2025, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Alaska.
How old do you have to be to fly from Lambert-St Louis Airport to Alaska?
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 Lambert-St Louis Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents you'll need for your trip to Alaska 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 Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Alaska
Compare and see reviews for airlines that fly from St. Louis to Alaska with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 6.9 346 reviews | |||
| PriceFrom $456 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $459 | Free Cancellation | Rating 8.0 9,968 reviews | |||
| PriceFrom $468 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $478 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Alaska?
It is quick and easy to find St. Louis to Alaska flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Alaska that suits you.
Can I find flights from St. Louis to Alaska with flexible booking policies on momondo?
Flights from St. Louis to Alaska 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 Alaska?
momondo provides multiple filters to help you find the best flight to Alaska 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 Alaska right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Alaska, momondo offers a useful price alert feature which will track prices for flights to Alaska from St. Louis and alert you when they change.