Cheap domestic flights USA

Posted on October 7, 2025

Flying within the US doesn’t have to be expensive — even in 2025. If you know where to look and how to search, domestic flights can cost less than dinner. Here’s how to save money on flights between US cities — even on popular routes.

✈️ 1. Fly Between Cities Using One-Way Tickets

Instead of booking a round trip, try two one-way tickets — even from different airlines. It gives you more flexibility and often unlocks lower total prices. Our search engine handles this automatically for you.

🛫 2. Mix & Match Airports

Don’t just check one airport per city. Flying into Oakland instead of SFO, or Fort Lauderdale instead of Miami, can drop your fare by 30–60%. AirportMix shows nearby airports and mixes them for better routes.

📅 3. Travel Midweek

Tuesdays and Wednesdays tend to be the cheapest days to fly within the US. Airlines raise prices for weekends and Mondays — skip those if you can.

🧭 4. Look Beyond the Big Carriers

Airlines like Breeze, Avelo, and Allegiant serve niche routes at low prices — especially to secondary airports. Our tool includes them in every search by default.

💸 Example Routes Under $100 (Recently Spotted)

• ✈️ Dallas → Denver: $79 round-trip
• ✈️ Chicago → NYC: $93 one-way
• ✈️ Phoenix → Vegas: $47 one-way
• ✈️ LA → Seattle: $96 round-trip

Prices change often and vary per search — use our tool to find live options.

✅ Ready to Search Cheap Domestic Flights?

You can use AirportMix to compare US routes or go directly to Aviasales to search now.