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Cheap Flights from Boston to San Jose starting at CNY 105

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Boston to San Jose

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Boston to San Jose

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From S$ 105
Frontier Airlines
From S$ 141
Avianca
From S$ 164
American Airlines
From S$ 174
Copa Airlines
From S$ 195
Jetblue Airways
From S$ 203
United Airlines
From S$ 246
Delta Air Lines
From S$ 293
Southwest Airlines
From S$ 309
Aeromexico
From S$ 382
ANA airlines

Find more flights and airlines

Alternative Routes from Boston to San Jose

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to San Jose.

  • Cheapest
    Spirit Airlines
    BOS
    18:01
    8h 3m
    1 transfer
    SJO
    00:04
    General Edward Lawrence Logan International Airport - Juan Santamaria International Airport
    Tue, May 14Spirit Airlines
    S$ 105
  • Spirit Airlines
    BOS
    18:01
    8h 3m
    1 transfer
    SJO
    00:04
    General Edward Lawrence Logan International Airport - Juan Santamaria International Airport
    Tue, May 14Spirit Airlines
    S$ 105
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Boston (BOS) to San Jose (SJO) the cheapest?

    Airlines adjust prices for flights from Boston to San Jose based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Boston (BOS) to San Jose (SJO) cost?

    According to Trip.com's data, the lowest price is around S$ 731.
  • What is the transportation method from the main airport to downtown in San Jose?

    • The distance from Juan Santamaria International Airport to downtown is about 15km, by taxi about 30 minutes.
  • How many airports in San Jose?

How to find a cheap flight from Boston to San Jose

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to San Jose. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from Boston to San Jose

Cheapest direct flight price

S$ 104

Cheapest month

March

Peak season for travel

October

Flight distance

3,825.52km

Popular airline

American Airlines