$275 Cheap Flights from Baltimore (BWI) to Hermosillo (HMO)

View $275 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Hermosillo, Sonora (HMO-General Ignacio Pesqueira Garcia Intl.)

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Cheap Flights from Baltimore to Hermosillo (BWI-HMO)

Prices were available within the past 7 days and start at $275 for one-way flights and $488 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Wed, Jan 21 - Tue, Feb 3
BWI
Baltimore
HMO
Hermosillo
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Wed, Jan 21 from Baltimore to Hermosillo, returning Tue, Feb 3, priced at $488 found 1 day ago
Delta
Wed, Jan 21 - Mon, Feb 2
BWI
Baltimore
HMO
Hermosillo
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 21 from Baltimore to Hermosillo, returning Mon, Feb 2, priced at $488 found 1 day ago
Delta
Fri, Jan 23 - Mon, Feb 2
BWI
Baltimore
HMO
Hermosillo
$510 Roundtrip, found 1 day ago
$510
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 23 from Baltimore to Hermosillo, returning Mon, Feb 2, priced at $510 found 1 day ago
Delta
Wed, Jan 21 - Thu, Jan 29
BWI
Baltimore
HMO
Hermosillo
$520 Roundtrip, found 1 day ago
$520
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 21 from Baltimore to Hermosillo, returning Thu, Jan 29, priced at $520 found 1 day ago
Aeromexico
Fri, Jan 23 - Sat, Jan 31
BWI
Baltimore
HMO
Hermosillo
$531 Roundtrip, found 1 day ago
$531
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Fri, Jan 23 from Baltimore to Hermosillo, returning Sat, Jan 31, priced at $531 found 1 day ago
Delta
Fri, Jan 23 - Thu, Jan 29
BWI
Baltimore
HMO
Hermosillo
$542 Roundtrip, found 1 day ago
$542
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 23 from Baltimore to Hermosillo, returning Thu, Jan 29, priced at $542 found 1 day ago
Aeromexico
Wed, Jan 28 - Sat, Feb 14
BWI
Baltimore
HMO
Hermosillo
$548 Roundtrip, found 6 days ago
$548
Roundtrip
found 6 days ago
Select Aeromexico flight, departing Wed, Jan 28 from Baltimore to Hermosillo, returning Sat, Feb 14, priced at $548 found 6 days ago
Delta
Mon, Jan 26 - Thu, Jan 29
BWI
Baltimore
HMO
Hermosillo
$553 Roundtrip, found 1 day ago
$553
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 26 from Baltimore to Hermosillo, returning Thu, Jan 29, priced at $553 found 1 day ago
Delta
Fri, Jan 23 - Fri, Jan 30
BWI
Baltimore
HMO
Hermosillo
$563 Roundtrip, found 1 day ago
$563
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 23 from Baltimore to Hermosillo, returning Fri, Jan 30, priced at $563 found 1 day ago
American Airlines
Sat, Nov 8 - Mon, Nov 24
BWI
Baltimore
HMO
Hermosillo
$615 Roundtrip, found 6 days ago
$615
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Nov 8 from Baltimore to Hermosillo, returning Mon, Nov 24, priced at $615 found 6 days ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO) cost?
Snag a cheap one-way flight from $275 or cheap return flight from $488 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)?
The cheapest month to fly from BWI to HMO is January, when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BWI to HMO flight.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)?
There are no daily direct flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from BWI to HMO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)?
Opt for a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO) last-minute?
Last-minute bookings from BWI to HMO are typically more expensive. To lock in the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a BWI to HMO flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to HMO flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Ignacio Pesqueira Garcia Intl. Airport (HMO)?
In most cases, you can reschedule or cancel your BWI to HMO flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
General Ignacio Pesqueira Garcia Intl.
Airlines serving
Aeromexico, American Airlines, Delta
Roundtrip price
$488
Distance
2071 mi

Book with confidence

Baltimore to Hermosillo Flights

The cheapest times to fly from Baltimore to Hermosillo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Hermosillo are during the month of January. You can find some of the cheapest flights from Baltimore to Hermosillo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Hermosillo

Sunday is one of the best days to book for cheap flights from Baltimore to Hermosillo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Hermosillo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Hermosillo in 2025. You can also book with separate airlines for your outbound and return journeys, from $275 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Hermosillo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Hermosillo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Baltimore to Hermosillo Flights

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*Available to One Key members.