Cheap flights from Seattle to Saint Thomas Island from $416
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint Thomas Island departing on 6/21. 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 Seattle to Saint Thomas Island
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 Saint Thomas Island?
The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Seattle averaging around $554.
What is the cheapest day to depart on your flight to Saint Thomas Island?
On average, the least expensive day to fly to Saint Thomas Island from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $598. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Saint Thomas Island for around $880.
What is the cheapest time of day to depart on your flight to Saint Thomas Island?
The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $379. Flights to Saint Thomas Island are more costly in the evening, with an average ticket price of $775. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Saint Thomas Island?
You are more likely to see cheaper flights to Saint Thomas Island from Seattle when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $678 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Seattle for as low as $526 on momondo.
Can stopping save me money on Seattle to Saint Thomas Island flights?
You could potentially save up to 4% on your flight if you consider stops on a Seattle to Saint Thomas Island flight.
How have Seattle to Saint Thomas Island flight prices changed over time?
As of June 2025, prices for Seattle to Saint Thomas Island flights are approximately 11% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Saint Thomas Island Cyril E King?
American Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Saint Thomas Island Cyril E King
What airlines fly to Saint Thomas Island?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Saint Thomas Island from Seattle according to our data. American Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 4 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Saint Thomas Island
Cheap Seattle to Saint Thomas Island (SEA to STT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint Thomas Island
Best Price Found | $416 |
|---|---|
Fastest flight time | 9h 59m |
Direct flights | None |
Airports in Saint Thomas Island | 1 airport |
How far is Seattle/Tacoma Intl to Saint Thomas Island Cyril E King by plane?
There are 3780.5 mi between Seattle/Tacoma Intl and Saint Thomas Island Cyril E King. 9h 59m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport is 4 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport.
What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?
The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King 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 Saint Thomas Island Cyril E King 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 Seattle to Saint Thomas Island?
Based on momondo bookings for flights between Seattle and Saint Thomas Island, the leading airline is American Airlines, making up 73% of the total bookings. Other popular airlines include Delta with 13%, United Airlines with 10%, and Spirit Airlines with 5%.
Best airlines flying from Seattle to Saint Thomas Island
Compare and see reviews for airlines that fly from Seattle to Saint Thomas Island with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $199 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $443 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $495 | Free Cancellation | Rating 7.4 8,801 reviews |
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Saint Thomas Island?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Seattle.
Can I find flights from Seattle to Saint Thomas Island with flexible booking policies on momondo?
All flight searches from Seattle to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Saint Thomas Island?
Once you have performed a search for Seattle to Saint Thomas Island 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 Seattle to Saint Thomas Island right now. Can momondo alert me if prices change?
Price alerts on flights to Saint Thomas Island from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.