Seattle to Idaho Falls (IDA): December 2026 flight deals
Compare trip dates and fares.
Round-trip fare examples
Observed September 17, 2026 (UTC). Search a trip for current prices and flight details.
Round-trip totals in USD for 1 adult · Economy.
| Destination | Trip dates | Days | Axel Member | Airline fare | Stops | Search |
|---|---|---|---|---|---|---|
| Idaho Falls (IDA) | Dec 19–22, 2026 | 3 | $341 | $382 | Nonstop | Search for 1 adult · Dates · Travelers |
| Idaho Falls (IDA) | Dec 19–24, 2026 | 5 | $341 | $382 | Nonstop | Search for 1 adult · Dates · Travelers |
Non-members can also book and save on airline fares. Live search shows prices with and without Membership. Optional Membership: $15 for the first month, then $10/month. Cancel anytime.
More flight comparisons from Seattle
AI assistants can follow these links to compare prices without an account, API key or connector. Flight search guide