Cheap flights from Massachusetts to San Sebastian from $427
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to San Sebastian departing on 8/8. 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 Massachusetts to San Sebastian
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 day to depart on your flight to San Sebastian?
On average, the least expensive day to fly to San Sebastian from Massachusetts is on a Thursday. momondo users have found tickets for Thursday departures for as low as $649. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Massachusetts to San Sebastian for around $1,316.
What is the cheapest time of day to depart on your flight to San Sebastian?
Flying to San Sebastian from Massachusetts in the morning is the least expensive time of day to depart. momondo users have found prices as low as $822 when looking at flights departing in the morning. Flights to San Sebastian are more costly in the evening, with an average ticket price of $986. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Massachusetts to San Sebastián?
Iberia is the most popular carrier operating from Massachusetts to San Sebastián
What airlines fly to San Sebastian?
Iberia, Lufthansa and KLM are the top three most popular airlines that fly to San Sebastian from Massachusetts according to our data. Iberia is the first choice among our users, with 65% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 9 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.
Cheap Massachusetts to San Sebastian flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Massachusetts to San Sebastian
When did momondo last update prices for flights from Massachusetts to San Sebastián Airport?
Prices for flights from Massachusetts to San Sebastián Airport refresh daily.
How many operators does momondo search for flights from Massachusetts to San Sebastián Airport?
As of June 2025, there are 2 operators available to choose from for flights from Massachusetts to San Sebastián Airport.
How old do you have to be to fly from Massachusetts to San Sebastián Airport?
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 Massachusetts to San Sebastián Airport.
What documentation or ID do you need to fly to San Sebastián Airport?
The travel and health documents required for your trip to San Sebastián Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Sebastián Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Massachusetts to San Sebastian
Compare and see reviews for airlines that fly from Massachusetts to San Sebastian with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $607 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Sebastian?
Book flights to San Sebastian if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Massachusetts to San Sebastian?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Massachusetts to San Sebastian. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Massachusetts to San Sebastian with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Sebastian from Massachusetts with this policy.
How can momondo help me find flights from Massachusetts to San Sebastian?
Once you have performed a search for Massachusetts to San Sebastian 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 Massachusetts to San Sebastian right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Massachusetts to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.