Flights BOS → STL

Curated weekend trips for the next few weeks. Prices are estimates until you verify.

Outbound partner clickouts are enabled only for deals updated in the last 72h.

ToolsBest dates calendar Date grid Direct flights Dates → destinations Under CHF 100

Quick summary

Looking for a quick escape? This route is currently showing direct options. Typical outbound flight time is about 3h. Common windows are ~9 nights. Best current pick is around USD 471.

More deals from BOS Origin stats Best month to go Under CHF 100

2026-12-22 → 2026-12-31

Direct • 3h

[Out: Tue 12:00 → Tue 15:00 • 3h] — [Stay: 9d 6h] — [Back: Thu 20:50 → Thu 23:50 • 3h]

Source: Aviasales (cached) • Inserted 2026-06-03 · Wed 06:00 • Synced 2026-06-04 · Thu 03:30

Est. USD 471

Updated ~22h agoExpires in ~1d

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Price may differ at booking.

2026-12-22 → 2026-12-31

Direct • 3h 5m

[Out: Tue 12:00 → Tue 15:05 • 3h 5m] — [Stay: 9d 6h] — [Back: Thu 20:50 → Thu 23:55 • 3h 5m]

Source: Aviasales (cached) • Inserted 2026-06-03 · Wed 07:00 • Cached since 2026-06-03 · Wed 03:02 • Synced 2026-06-04 · Thu 03:30

Est. USD 471

Cached ~21h agoExpires in ~1d

View deal Check availability (partner)

Price may differ at booking.

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Fort Lauderdale (FLL)