Flights Boston → Monterrey
As of September 2026, economy flights from Boston to Monterrey have a typical range USD 861–1366, median USD 1170. Full range across all 166 offers: USD 652–1425. We analyzed 166 offers from 8 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Boston → Monterrey
Based on 166 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → Monterrey
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Air Canada | — | — | — |
| JetBlue | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Boston to Monterrey cost?
Based on 166 offers · September 2026
Boston to Monterrey flights ranged from USD 652 to USD 1425 across 166 offers analyzed in September 2026. The chart below shows how prices distributed across all 166 offers.
These 166 offers (September 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 916 and USD 1327
What hidden fees do Boston to Monterrey flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to Monterrey routes. The breakdown below is based on 166 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| DL | 45 | 4% |
| AA | 47 | 4% |
| UA | 45 | 4% |
| AC | 30 | 2% |
| B6 | 10 | 1% |
American Airlines: base ~USD 991 + fees USD 47 = ~USD 1038 total. B6: base ~USD 1236 + fees USD 10 = ~USD 1246 total.
American Airlines's USD 47 ancillary fees narrow the gap with B6's lower-fee model — the USD 245 base difference shrinks to USD 208 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.AA charges 4.7x more in ancillary fees than B6 on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Boston to Monterrey?
8 airlines flew Boston to Monterrey in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Delta), fares ranged USD 672–828 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Delta | 2 | 672–828 | 750 | n/a |
 American | 13 | 832–896 | 861 | n/a |
 American Airlines | 80 | 881–1366 | 1038 | 47 (5%) |
 AM | 10 | 816–1200 | 1150 | n/a |
 Delta Air Lines | 35 | 926–1408 | 1214 | 45 (4%) |
 B6 | 1 | — | 1246 | 10 (1%) |
 United Airlines | 20 | 1188–1301 | 1282 | 45 (4%) |
 Air Canada | 5 | 1257–1368 | 1365 | 30 (2%) |
Where do the best Boston → Monterrey prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Boston to Monterrey flights
- Full-service carriers on Boston–Monterrey cost 0.9x more than budget airlines (USD 1094 vs USD 1246 median; overall median USD 1170).
- AA charges 4.7x more in ancillary fees than B6 — USD 47 vs USD 10 avg per booking.
- The same route priced USD 536 apart depending on where it was booked — the lowest median was USD 794. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Boston to Monterrey cost?
- Based on 166 offers analyzed, Boston to Monterrey flights range from USD 652 to USD 1425, with a median price of USD 1170. Search for your specific dates →
- What hidden fees should I expect on Boston to Monterrey flights?
- On average, ancillary fees (bags, seat selection) add USD 45 to the base fare on Boston to Monterrey flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to Monterrey including all fees?
- Delta has the lowest median fare on Boston to Monterrey at USD 750 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–Monterrey flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 794. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to Monterrey routes?
- Boston to Monterrey has 8 airlines competing, creating a price range from USD 652 to USD 1425 across 166 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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