Featured deal
San Diego to Boston
- Jan 11–19, 2027 · +2 more dates
- 8 nights
Delta- Economy
$203 USD
View deal Round trip
Cheap Flights from San Diego to Boston
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Latest economy price we saw: San Diego to Boston
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| San Diego (SAN) to Boston (BOS) | $168 | 3.2¢ | Nov 26 – Dec 3 | American and Southwest | Nov 5 | Check price |
Economy price history: San Diego to Boston
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $137 | $239 | 81 |
| Oct 2026 | $116 | $367 | 287 |
| Sep 2026 | $186 | $382 | 198 |
| Aug 2026 | $197 | $356 | 329 |
| Jul 2026 | $197 | $197 | 1 |
Every deal from San Diego to Boston, ranked by cost per mile.
On the board right now
- Cabin mix: 1 Economy.
- Most active airlines: Delta.
Frequently asked questions
How many flight deals from San Diego to Boston are on Sparkflights right now?
There are 1 deals from San Diego to Boston on the board right now.
What is the cheapest flight from San Diego to Boston right now?
The lowest fare from San Diego to Boston right now is $203 in Economy.
What is the lowest price ever seen from San Diego to Boston?
The lowest economy fare we've recorded from San Diego to Boston is $116, based on 896 price observations over 5 months.
How much does a flight from San Diego to Boston cost?
The typical round-trip economy fare we observed from San Diego to Boston is $308, against a recorded low of $116. These are observations, not quotes.
When is the cheapest month to fly San Diego to Boston?
For economy fares from San Diego to Boston, October was the cheapest month we observed and July the dearest, over 5 months of data.
What is the current price from San Diego to Boston?
The most recent economy fare we saw from San Diego to Boston is $168, on Nov 5.
Which airlines fly San Diego to Boston?
Airlines with the most deals from San Diego to Boston right now are Delta.