I started planning a beach trip this summer. Pulled up the destination data on my site to compare options. Maui was sitting at $170 a day. Cancun was $45. Cartagena was $40. The number that caught me was not the cheapest, it was the gap. A week in Maui at the budget tier runs as much as four weeks in Cartagena. Same beach archetype, four times the spend.

That sent me down the ranking. 75 destinations, sorted by daily budget cost in 2026. The cheapest is 12% of the most expensive.

How I built the dataset

The site has structured JSON files for 75 destinations at vientapps.com. Each file includes a typicalCosts object with three tiers: budgetPerDayUsd, midrangePerDayUsd, and luxuryPerDayUsd. The budget tier is what most cost-of-travel guides quote. It assumes a single traveler staying in hostels or budget guesthouses, eating local food, using public transit, and doing free or cheap activities.

For each destination I read the budget field, sorted ascending, and grouped by continent. The data was last updated between April 23 and May 4, 2026. Full CSV: 75-destinations-daily-cost-ranking-2026.csv.

A few things this number does NOT capture, and they matter more than the ranking:

• No airfare. The biggest fixed cost of any trip is not in this dataset.
• Season variance. Maui in April is not Maui in December. The number is a year-round midpoint, not a peak or shoulder season quote.
• Single-traveler baseline. Couples and families do not scale linearly per person. A $90 hotel room is $45 per person when split, but a $40 hostel bunk is still $40.
• Exchange-rate snapshot. These numbers shift quarterly with currency moves, especially in Argentina, Turkey, and Japan.
• Hostel-friendly assumption. Cities where the budget tier assumes a hostel ($25 Bangkok) compare unfairly with cities where the budget tier assumes a 2-star hotel because no hostel scene exists ($110 Charleston).

If your trip style does not match the budget-tier assumption, your daily spend will be higher. Most travelers' actual spending sits closer to the midrange tier, which has a median of $160 per day across the same 75 cities.

The full ranking

The 10 cheapest destinations (budget tier, USD per day)

| # | Destination | Country | Continent | $/day |
|---|---|---|---|---|
| 1 | Ho Chi Minh City | Vietnam | Asia | $20 |
| 2 | Chiang Mai | Thailand | Asia | $25 |
| 3 | Hanoi | Vietnam | Asia | $25 |
| 4 | Bangkok | Thailand | Asia | $30 |
| 5 | Oaxaca | Mexico | North America | $30 |
| 6 | Marrakech | Morocco | Africa | $35 |
| 7 | Medellin | Colombia | South America | $35 |
| 8 | Cairo | Egypt | Africa | $40 |
| 9 | Cartagena | Colombia | South America | $40 |
| 10 | Krakow | Poland | Europe | $40 |

The 10 most expensive

| # | Destination | Country | Continent | $/day |
|---|---|---|---|---|
| 1 | Maui | United States | North America | $170 |
| 2 | Honolulu | United States | North America | $130 |
| 3 | San Francisco | United States | North America | $130 |
| 4 | Grand Cayman | Cayman Islands | North America | $125 |
| 5 | New York City | United States | North America | $120 |
| 6 | Reykjavik | Iceland | Europe | $120 |
| 7 | Charleston | United States | North America | $110 |
| 8 | Los Angeles | United States | North America | $110 |
| 9 | Miami | United States | North America | $110 |
| 10 | Chicago | United States | North America | $100 |

The cheap end is geographically narrow

The 10 cheapest destinations are all in three regions: Southeast Asia (Ho Chi Minh City, Chiang Mai, Hanoi, Bangkok), Latin America (Oaxaca, Medellin, Cartagena, Mexico City), and one North African and Eastern European entry (Marrakech and Krakow). That is the entire bottom of the chart. Not Western Europe, not the Caribbean, not North America outside Mexico, not Oceania.

Ho Chi Minh City sits at $20 per day. Maui sits at $170. The ratio is 8.5x. A traveler doing a budget-tier 14-night trip would spend $280 in Ho Chi Minh City and $2,380 in Maui, before flights.

The Southeast Asian numbers are also striking because they cluster so tightly. Five Vietnamese and Thai cities span $20 to $30 a day. That is the same range you would pay for a single sit-down dinner in Reykjavik.

US cities pile up at the top

Of 19 US destinations in the dataset, 18 sit above the global median of $85 per day. The single exception is Portland at $70, which is still above 60% of the global ranking. Washington DC at $75 is the only other US city under $80.

Hawaii is the outlier even by US standards. Maui at $170 and Honolulu at $130 both clear San Francisco ($130) and New York City ($120). For most of the US ranking the pattern is: smaller-market mainland cities ($70 to $95), mid-tier coastal cities ($100 to $110), and the truly expensive few ($120 to $170). Hawaii dominates the top.

The Caribbean entries break similarly. Grand Cayman ($125), St. Thomas ($100), Nassau ($50), San Juan ($80). The spread inside a single region of beach destinations is 2.5x.

Europe splits east versus north

Europe's 24 destinations range from Krakow at $40 to Reykjavik at $120. The cheapest 6 are all Eastern or Southern European: Krakow ($40), Tbilisi ($40), Istanbul ($50), Prague ($50), Athens ($55), Budapest ($55). The most expensive 4 are all Northern: Copenhagen ($80), Amsterdam ($95), Reykjavik ($120), and Paris ($90) for the Western anchor.

For a European trip, the daily-cost arithmetic alone says go east. Krakow at $40 is one-third the cost of Reykjavik at $120, in a continent where flight differences between the two are often under $100.

The honest counterpoint

The daily-cost number is the easiest metric to publish and the worst metric to plan a trip with. The reason is fixed costs.

I am sitting here looking at a beach trip from the US this summer. Maui at $170 a day looks brutal. Ho Chi Minh City at $20 a day looks like paradise on the spreadsheet. The math at one week:

• Maui, 7 nights at budget tier: $1,190. Round-trip flights from the US West Coast for two people: roughly $1,000 to $1,400. Total: ~$2,400.
• Ho Chi Minh City, 7 nights at budget tier: $140. Round-trip flights from the US West Coast for two people: roughly $2,800 to $3,800. Total: ~$3,200, plus visas and time.

For a week, the cheap destination is not cheaper. The flight is the trip's largest line item, and a 22-hour journey each way burns a day of the trip on either side. The Maui math gets ugly. The Ho Chi Minh City math is worse.

Now run it at three weeks. The flight cost holds flat. The daily cost compounds. Three weeks in Maui hits $3,570 plus flights. Three weeks in Ho Chi Minh City hits $420 plus the same fixed cost. Now Southeast Asia is half the trip cost.

This is the trap of the daily-budget metric. It looks like a comparison and it is actually a function of trip length. Anyone publishing a $/day number and not stating the assumed trip length is selling you on a number that flips depending on your itinerary.

If you live in the US and you want a beach trip in summer, the daily-cost ranking is misleading. You are not choosing between Maui and Hanoi at the same trip length. You are choosing between a 6-hour flight to a $170-a-day destination and a 22-hour flight to a $20-a-day destination, and the only way the second option wins is if you stay long enough for the daily savings to absorb both the flight cost and the lost vacation days at each end. For most US travelers with two weeks of PTO, Hawaii wins on math.

What I actually do now

When I look at the destination chart, I read three numbers, not one. The daily cost. The likely round-trip flight from where I live. And the trip length I can realistically take.

For a 7-day trip from the US, the cheap-daily destinations rarely beat the expensive-daily destinations once flights are in. The exception is a deep value where the daily number is so low that even short trips justify the airfare (Cancun, Cartagena, Mexico City from most of the US).

For 14-day trips, the math becomes a coin flip and personal preference dominates.

For 21-day-plus trips, the cheap-daily destinations dominate. This is why long-term travelers and digital nomads cluster in Chiang Mai and Medellin and Bali. The fixed cost is fully amortized and the daily savings stack.

If you want to compare specific cities, I keep the full guide set at /destinations/. The destination page for each city shows the budget, midrange, and luxury tiers side by side, plus the season-by-season crowd and weather data. Useful for the daily picture. Not a substitute for pricing your actual flights.

What I'd want to analyze next

The data essay that would actually answer the question I am asking: a flight-included total cost ranking. Three columns: 7-day total from a major US hub, 14-day total, 21-day total. The ranking would shuffle dramatically. Hawaii would dominate short trips. Southeast Asia would only show up at three weeks. Eastern Europe would probably win the middle.

That requires real flight pricing data and a defensible US-hub assumption, which I have not built yet. It is the next post in this series if I can find a clean public source.

For now: the daily number tells you what a day on the ground costs. It does not tell you what the trip costs. Both numbers matter. Most cost-of-travel writing only quotes one of them.