✈️ Low Fare Calendar USA — The Complete Guide
What is a Low Fare Calendar?
A Low Fare Calendar is a month-view tool that displays the lowest available price for each day of a selected month. Instead of searching date-by-date, travelers can quickly identify the cheapest travel days across weeks or months.
- See cheapest travel days at a glance
- Compare price differences across weeks or months
- Plan flexible travel to save money
U.S. Airlines with Low Fare Calendars
❤️ Southwest Airlines — Low Fare Calendar
How it works: enter departure & arrival cities, select a month, then pick the lowest outbound and return dates. Southwest is popular for its simple rules: two free checked bags and no change fees.
🐻 Alaska Airlines — Price Calendar
Search flights and enable “Flexible dates” to browse a full monthly grid that helps with both cash fares and Mileage Plan award comparisons.
💙 JetBlue — Best Fare Finder
Enter route and month to view fare options, then filter by fare class. Good for East Coast and Caribbean routes.
🦊 Frontier Airlines — Low Fare Calendar
Choose “Flexible Dates” to view month-wide low fares. Frontier often offers the lowest base fares for very flexible travelers.
💛 Spirit Airlines — Deals Calendar
Use the Deals → Calendar tool to find promotional fares; additional discounts are available to Saver$ Club members.
🌺 Hawaiian Airlines — Fare Calendar
Enable “Flexible Dates” to compare fares across the month for U.S.–Hawaii travel.
🔺 Delta Air Lines — Price Calendar
Select “My dates are flexible” and view a 5-week or full month price overview. Filters allow selection by cabin and nonstop options.
🌍 United Airlines — Flexible Date Calendar
Choose flexible dates to compare cheapest daily fares and view award pricing via MileagePlus.
🟥 American Airlines — Flexible Date Calendar
American Airlines Flexible Dates
Use the flexible dates option to scan monthly fare variations for both domestic and international travel.
Airlines without a full low-fare calendar
Some carriers offer only limited flexible-date views (usually ±3 days): Sun Country, Avelo, Breeze, JSX, Boutique Air.
Expert Tips for Finding the Cheapest Fares
- Search one-way tickets: Two one-way fares can be cheaper than a single round-trip fare.
- Travel midweek: Tuesday–Thursday typically have the lowest fares.
- Booking window: For most U.S. domestic trips, 1–3 months ahead is a good rule of thumb; book earlier for major holidays.
- Use price alerts: Google Flights and other aggregators can notify you of drops.
- Check award calendars: Airlines such as Delta, United, Alaska, and American show monthly award availability.