Cheap flights from San Diego to Boston from $132 CLD, SAN → BOS
McClellan-Palomar Airport (CLD), San Diego International Airport (SAN) → Logan International Airport (BOS)
The cheapest one-way found recently is $132 with American Airlines, 1 Jun 2027, found 11 hours ago.
- Cheapest one-way found recently
- $132, American Airlines, found 11 hours ago
- Cheapest month to fly
- December 2026, one-way fares from $100 found in the last 7 days
- Airlines with nonstop flights
- Alaska Airlines, jetBlue, Southwest Airlines
- Shortest nonstop flight found
- 5 h 50 min
One-way
The cheapest one-way fare on each of 3 departure dates is usually $116 to $150.
Cheapest one-way found recently
$132
1 Jun 2027 · American Airlines
San Diego International Airport (SAN) → Logan International Airport (BOS)
Leaves 9:25 p.m. · 8 h 57 min trip
1 stop · via Charlotte Douglas International Airport (CLT)
found 11 hours ago
Cheapest nonstop one-way
$184
1 Jun 2027 · Alaska Airlines
San Diego International Airport (SAN) → Logan International Airport (BOS)
Leaves 8:54 p.m. · 5 h 50 min trip
nonstop
found 11 hours ago
Found recently, and the cheapest we hold
$132 1 Jun 2027found 11 hours agoOpen this trip
$100 26 Decfound 6 days agoOpen this trip
What have prices looked like?
Over 33 days, 9 Oct to 12 Nov, the cheapest one-way we saw each day was $63 to $343.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 14 Nov to 1 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 1 Jun 2027 to compare.
Every date we hold
32 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov | $168 | Alaska Airlines | San Diego International Airport (SAN) → Logan International Airport (BOS) | 1 stop | found 3 days ago | Open this trip |
| 26 Dec | $100 | Alaska Airlines | San Diego International Airport (SAN) → Logan International Airport (BOS) | nonstop | found 6 days ago | Open this trip |
| 1 Jun 2027 | $132 | American Airlines | San Diego International Airport (SAN) → Logan International Airport (BOS) | 1 stop | found 11 hours ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $100.
Airlines on the cheapest dates: Alaska Airlines, American Airlines.
Premium cabin fares from San Diego to Boston
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 1 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Diego to Boston?
One-way
Fares 30 to 59 days before departure were typically 27% lower than 14 to 29 days before departure.
From the cheapest one-way each day between 9 Oct and 12 Nov (33 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $151 | $63 | +36% | 15 |
| 30–59 days | $111 | $95 | Cheapest seen | 18 |
| 90–179 days | $170 | $170 | +53% | 9 |
| 180+ days | $198 | $198 | +78% | 7 |
Live price for these dates
The cheapest one-way found recently is for 1 Jun 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from San Diego to Boston?
The cheapest one-way found recently is $132 with American Airlines, 1 Jun 2027, found 11 hours ago. The cheapest one-way we hold, of any age, is $100 with Alaska Airlines, 26 Dec, found 6 days ago. The cheapest one-way fare on each of 3 departure dates is usually $116 to $150.
What is the cheapest month to fly from San Diego to Boston?
December 2026 is the cheapest month for a one-way, from $100, 26 Dec, found 6 days ago.
How far ahead should I book a flight from San Diego to Boston?
In 33 days of prices between 9 Oct and 12 Nov, one-way fares 30 to 59 days before departure were typically 27% lower than 14 to 29 days before departure.
Is there a direct flight from San Diego to Boston?
Yes, the cheapest nonstop one-way found recently is $184 with Alaska Airlines, 1 Jun 2027, found 11 hours ago.
How long is the flight from San Diego to Boston?
The cheapest nonstop one-way found recently, with Alaska Airlines on 1 Jun 2027, takes 5 h 50 min from San Diego International Airport (SAN) to Logan International Airport (BOS). The cheapest one-way found recently, with American Airlines on 1 Jun 2027, takes 8 h 57 min with 1 stop.
Which airlines have the cheapest flights from San Diego to Boston?
Between 14 Nov and 1 Jun 2027, Alaska Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and American Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work