How We Budget for a Month-Long Summer Road Trip

Every summer, my husband and I take a month-long road trip. It started as a wild idea during my first year teaching: "What if we actually used the whole summer break?" That first trip was a mess of overspending and underplanning. But three summers later, we have a system that keeps costs predictable without sucking the fun out of the experience.

People always ask how we afford it on a teacher's salary. The honest answer is that we budget carefully, make intentional choices about where to spend and where to save, and accept that a month on the road does not have to look like a luxury vacation. Here are our actual numbers.

Our Total Monthly Budget: $3,200 to $3,800

That is for two people, one dog, and a mid-size travel trailer. Your numbers will vary based on your rig, fuel prices, and how much you eat out. But this range has been consistent for us over multiple trips.

Fuel: $800 to $1,100

This is our biggest variable expense and the hardest to control. Our truck gets about 12 MPG towing the trailer. On a month-long trip covering 3,000 to 4,000 miles, fuel costs land between $800 and $1,100 depending on gas prices and how much driving we do.

How we keep it down:

• Longer stays, less driving. Instead of moving every day, we stay 3 to 5 nights at each stop. This cuts total miles dramatically and lets us actually enjoy each place.
• GasBuddy for fuel prices. Filling up at the cheapest station along the route saves $5 to $15 per tank. Over a month, that adds up.
• Drive 55 on highways. Our fuel economy drops noticeably above 60 MPH. Driving the speed limit (or slightly under) saves real money on a long trip.
• Route planning. We plan routes that minimize backtracking and avoid unnecessary detours through expensive regions.

Campground Fees: $600 to $900

We mix free camping with paid campgrounds, roughly 50/50. Our paid nights average $25 to $35 per night at state parks, national forest campgrounds, and budget-friendly RV parks. We avoid luxury RV resorts.

The breakdown usually looks like this:

• Free nights (BLM land, national forest, iOverlander spots): 12 to 15 nights at $0
• State and national park campgrounds: 8 to 10 nights at $20 to $35
• Private RV parks (when we need hookups for laundry/showers): 4 to 6 nights at $35 to $55

Food and Groceries: $800 to $1,000

We cook the vast majority of our meals in the RV or at the campfire. Eating out is a treat, not a default. Our grocery budget runs about $200 per week, which is honestly close to what we spend at home.

Our food strategy:

• Meal plan before each grocery run. We plan 4 to 5 dinners per grocery trip and build a list. No wandering the aisles buying impulse snacks (okay, sometimes snacks).
• Simple breakfasts and lunches. Oatmeal, eggs, sandwiches, wraps. Nothing fancy, but fuel for the day.
• One restaurant meal per week. We budget $50 to $75 per week for eating out. Usually it is a local spot in whatever town we are near. This satisfies the craving for a real meal without blowing the budget.
• Stock up at Walmart or Aldi. Small-town grocery stores are charming but expensive. We do major grocery runs at budget stores when we pass through larger towns.

Activities and Entertainment: $200 to $300

Most of what we do on road trips is free: hiking, swimming, exploring towns, campfire evenings, reading. But we budget $200 to $300 for paid activities like national park entrance fees, guided tours, kayak rentals, or museum visits.

Our America the Beautiful pass covers all national parks and federal recreation areas for $80 per year. If you plan to visit even two national parks, it pays for itself immediately.

Maintenance and Emergencies: $300 to $400

We set aside $300 to $400 per trip for unexpected expenses: a tire issue, a mechanical repair, an emergency campground change, or replacing a piece of gear that breaks. Some trips we do not touch this fund. Other trips we are glad it exists.

Preventive maintenance before the trip (oil change, tire inspection, checking bearings, testing the water heater) reduces the chance of expensive surprises on the road.

Miscellaneous: $200 to $300

Laundry at campground facilities, propane refills, dump station fees (when not included at campgrounds), cell phone data overages, souvenirs, and the random small purchases that happen on any trip. We budget $200 to $300 and it is usually enough.

How We Save Before the Trip

We start saving in September for the following summer's trip. That gives us about 9 months to set aside $350 to $425 per month, which builds the $3,200 to $3,800 trip fund. We treat it like a bill: automatic transfer to a dedicated savings account on payday.

Other savings strategies:

• Reduce one subscription. We pause streaming services during the summer since we are rarely watching TV on the road anyway.
• Sell unused gear. Each spring, we sell camping and household items we no longer need. Usually brings in $100 to $200.
• House-sit or sublet. We have not done this yet, but friends who do offset their rent entirely during their trip month.

The Real Budget Spreadsheet

Here is our actual month-long budget in summary: