Cheap flights from San Diego to Boston
from 100 US$
From 174 USD — compare hundreds of airlines
The cheapest month is usually 2026-12 · 100 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from San Diego to Boston, a about 4,150 km route (around 5h 41m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as jetBlue operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly San Diego to Boston?
It's usually 2026-12, from 100 USD. Use the price calendar to compare other dates.
How long is the flight from San Diego to Boston?
A nonstop flight takes about 5h 41m and covers around 4,150 km. Connecting itineraries take longer.
Are there direct flights from San Diego to Boston?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from San Diego to Boston?
jetBlue operate this route, among others. Compare them all in the results.
When should I book San Diego–Boston flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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San Diego → Boston · Live fares from 100+ sites — free, with no hidden fees.