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Hermosillo

$312+ Cheap flights from Seattle (SEA) to Hermosillo (HMO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HMO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Seattle to Hermosillo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hermosillo (HMO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$509
(Mytrip)

Popular in

December

Cheapest in

February
From Seattle/Tacoma Intl to Hermosillo Gen Pesqueira Garcia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($58 potential savings vs. average RT price).
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Find flight deals from Seattle to Hermosillo

Cheapest flights from Seattle to Hermosillo
Explore the most affordable flight options available from Seattle to Hermosillo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/194:58 pmSEA - HMO
2 stops26h 53mMultiple Airlines
Sat 8/237:45 amHMO - SEA
2 stops32h 08mMultiple Airlines
Deal found 6/10$509
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:30 amSEA - HMO
1 stop5h 35mAmerican Airlines
Sat 8/2312:45 pmHMO - SEA
1 stop21h 40mAmerican Airlines
Deal found 6/10$552
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:40 amSEA - HMO
2 stops16h 53mDelta
Mon 10/139:50 amHMO - SEA
1 stop10h 10mDelta
Deal found 6/11$802
This Aeromexico deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:00 pmSEA - HMO
1 stop9h 55mAeromexico
Tue 7/86:05 amHMO - SEA
1 stop13h 55mAeromexico
Deal found 6/11$1,027

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Hermosillo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Seattle to Hermosillo that are best for you.

Fly from

Seattle

Fly to

Hermosillo

Route

Depart

Return

Price

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 8/19

4:58 pm-7:51 pm

2 stops26h 53m

Hermosillo Gen Pesqueira Garcia

Sat 8/23

7:45 am-3:53 pm

2 stops32h 08m

$509

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 8/19

6:30 am-12:05 pm

1 stop5h 35m

Hermosillo Gen Pesqueira Garcia

Sat 8/23

12:45 pm-10:25 am

1 stop21h 40m

$552

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Fri 10/3

12:40 am-5:33 pm

2 stops16h 53m

Hermosillo Gen Pesqueira Garcia

Mon 10/13

9:50 am-8:00 pm

1 stop10h 10m

$802

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 7/1

10:00 pm-7:55 am

1 stop9h 55m

Hermosillo Gen Pesqueira Garcia

Tue 7/8

6:05 am-8:00 pm

1 stop13h 55m

$1,027

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Fri 12/5

6:18 pm-12:44 pm

1 stop17h 26m

$312

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Thu 12/4

12:40 am-7:37 pm

2 stops17h 57m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Seattle to Hermosillo

Have a flexible travel schedule? Discover the best time to fly to Hermosillo from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Hermosillo

What is the cheapest time of day to fly from SEA to HMO?

Find hourly flight availability from Seattle to Hermosillo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Seattle to Hermosillo at noon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

Rainfall in Hermosillo by month

Plan your trip to Hermosillo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hermosillo ranges from 0.1 - 3.2 inches per month. July is typically the wettest month, when rainfall can reach 3.2 in. April is typically the driest time to visit Hermosillo when rainfall is around 0.1 in.

Temperature in Hermosillo by month

Plan your trip to Hermosillo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hermosillo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 89.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Hermosillo

Get insights into the airlines that provide service to Hermosillo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hermosillo. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,706 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hermosillo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Hermosillo round-trip?

    Cheapflights users have booked flights from Seattle to Hermosillo round-trip from $552. Other airlines that can offer you cheap pricing are Delta, from $802, and Aeromexico, from $1,027. American Airlines is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Hermosillo that include hotel bookings?

    Yes. In addition to deals on Seattle to Hermosillo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Hermosillo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Hermosillo.

  • Can I find deals for business class flights from Seattle to Hermosillo?

    Yes. Cheapflights offers flight deals from Seattle to Hermosillo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Hermosillo?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Hermosillo (average of $414). Flying from Seattle to Hermosillo in December is currently the most expensive (average of $836). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Hermosillo

See prices for flight routes from nearby airports that may be better suited for you.
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Spokane to Hermosillo flights

Top 2 airlines flying from Seattle to Hermosillo

Discover the top 2 airlines that operate flights from Seattle to Hermosillo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$496Average$782FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$525Average$693FlexibilityNo cancel feeOn-time71%

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