Cheap Flights Under $100 United States – Are They Real?
Short answer: Yes — flights under $100 do exist, but they are rare, seasonal, and often require flexibility.
Real answer: These super-cheap flights are mostly domestic, short-haul, budget airlines, or last-minute deals. You can find them, but you need to know where to look, when to book, and what to expect.
🛫 Where to Find Flights Under $100
1. Budget Airlines
- Spirit, Frontier, Allegiant, Sun Country frequently offer flights under $100
- Tip: Watch for extra fees — the ticket might be $79, but the final price can double with baggage or seat selection
2. Short Domestic Routes
- Typically 1–3 hours flight distance
- Examples: NYC → Boston, Los Angeles → Las Vegas, Dallas → Houston
3. Flash Sales & Promotions
- Weekend or holiday sales from airlines
- Sign up for alerts: Scott’s Cheap Flights, The Flight Deal, Airfarewatchdog
4. Last-Minute Deals
- Discounts days before departure to fill empty seats
- Best for flexible travelers
⚠️ What to Expect
- Minimal luggage: Usually only a personal item included
- No-frills service: Food, drinks, seat selection cost extra
- Peak times = higher prices
- Early booking helps: Prices rise closer to departure
💡 Pro Tips to Score Sub-$100 Flights
- Be flexible with dates and times
- Use flight comparison tools: Google Flights, Skyscanner, Kayak
- Book in advance: 1–3 months for domestic flights
- Follow airlines on social media for flash sales
- Use points or credit card rewards
📊 Example Cheap Flights
| Route | Airline | Price (Example) |
|---|---|---|
| LAX → LAS | Spirit | $59 |
| NYC → BOS | JetBlue | $79 |
| MCO → ATL | Frontier | $69 |
| DFW → HOU | Southwest | $89 |
| LAS → SFO | Allegiant | $99 |
✅ Final Verdict
Flights under $100 in the U.S. are real but usually on budget airlines, short routes, or special sales. You can snag these fares if you stay flexible, plan ahead, and monitor deal websites. Sub-$100 flights aren’t everyday tickets, but with the right strategy, they’re more common than most travelers think — perfect for budget trips or spontaneous adventures.