Cheap Flights from Anchorage (MRI) to St. Thomas (SPB)

Popular airlines from Anchorage, AK (MRI-Merrill Field) to St. Thomas (SPB-St. Thomas Seaplane Base)

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Frequently asked questions

How much does a flight from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB) cost?
Grab a cheap one-way flight or cheap return flight from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB)?
The cheapest month to fly from MRI to SPB is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MRI to SPB flight.
How many flights per day from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB)?
There aren't any daily nonstop flights departing from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from MRI to SPB?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB)?
To avoid potential delays on the Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Waiting until just before your departure to book a flight from MRI to SPB often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a MRI to SPB flight and hotel package?
You'll generally save money by booking a MRI to SPB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Merrill Field Airport (MRI) to St. Thomas Seaplane Base Airport (SPB)?
If you booked your MRI to SPB flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Merrill Field
Destination airport
St. Thomas Seaplane Base
Distance
4943 mi

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Anchorage to St. Thomas Flights

The cheapest times to fly from Anchorage to St. Thomas

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 Anchorage to St. Thomas are during the month of . You can find some of the cheapest flights from Anchorage to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Anchorage to St. Thomas

Sunday is one of the best days to book for cheap flights from Anchorage to St. Thomas: 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 Anchorage to St. Thomas

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 Anchorage to St. Thomas in 2026. 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 Anchorage to St. Thomas 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 Anchorage to St. Thomas 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.

 

Anchorage to St. Thomas Flights
*Available to One Key members.