Seattle to Boston (BOS): May 2027 flight deals
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Round-trip fare examples
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Round-trip totals in USD for 1 adult · Economy.
| Destination | Trip dates | Days | Axel Member | Airline fare | Stops | Observed | Search |
|---|---|---|---|---|---|---|---|
| Boston (BOS) | May 1–23, 2027 | 22 | $367 | $408 | 1 stop | September 16, 2026 | Search for 1 adult · Dates · Travelers |
| Boston (BOS) | May 25–27, 2027 | 2 | $368 | $411 | 1 stop | September 17, 2026 | Search for 1 adult · Dates · Travelers |
| Boston (BOS) | May 27–31, 2027 | 4 | $399 | $447 | Nonstop | September 17, 2026 | Search for 1 adult · Dates · Travelers |
| Boston (BOS) | May 28–31, 2027 | 3 | $399 | $447 | Nonstop | September 17, 2026 | Search for 1 adult · Dates · Travelers |
| Boston (BOS) | May 29–31, 2027 | 2 | $399 | $447 | Nonstop | September 17, 2026 | Search for 1 adult · Dates · Travelers |
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- Seattle to Boston (BOS): flights May 25–27, 2027
- Seattle to Boston (BOS) — Memorial Day weekend: flights May 27–31, 2027
- Seattle to Boston (BOS) — Lake Washington Memorial Day school break: flights May 28–31, 2027
- Seattle to Boston (BOS) — Bellevue extended Memorial Day school break: flights May 29–31, 2027
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