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Hermosillo

$439+ Cheap flights from Seattle (SEA) to Hermosillo (HMO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HMO
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$439
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$568
Provider with most accurate pricing for Seattle/Tacoma Intl-Hermosillo Gen Pesqueira Garcia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hermosillo Gen Pesqueira Garcia flights.
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From Seattle/Tacoma Intl to Hermosillo Gen Pesqueira Garcia
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Highest demand for flights based on searches. 22% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amSEA - HMO
2 stops25h 17mMultiple Airlines
Tue 6/107:50 amHMO - SEA
2 stops14h 57mMultiple Airlines
Deal found 4/23$439
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/36:25 amSEA - HMO
1 stop5h 04mAmerican Airlines
Tue 6/1012:45 pmHMO - SEA
1 stop7h 31mAmerican Airlines
Deal found 4/23$527
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/610:00 pmSEA - HMO
1 stop9h 10mVolaris
Fri 6/138:27 pmHMO - SEA
1 stop23h 33mVolaris
Deal found 4/22$536
This Aeromexico deal was found by Cheapflights users on 4/23. 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 6/37:20 amSEA - HMO
2 stops14h 44mAeromexico
Tue 6/107:20 amHMO - SEA
2 stops15h 37mAeromexico
Deal found 4/23$889

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 April 24, 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 6/3

6:00 am-7:17 am

2 stops25h 17m

Hermosillo Gen Pesqueira Garcia

Tue 6/10

7:50 am-10:47 pm

2 stops14h 57m

$439

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sat 6/7

10:00 pm-7:10 am

1 stop9h 10m

Hermosillo Gen Pesqueira Garcia

Sat 6/14

7:45 am-8:00 pm

1 stop12h 15m

$512

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 6/3

6:25 am-11:29 am

1 stop5h 04m

Hermosillo Gen Pesqueira Garcia

Tue 6/10

12:45 pm-8:16 pm

1 stop7h 31m

$527

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 6/3

7:20 am-10:04 pm

2 stops14h 44m

Hermosillo Gen Pesqueira Garcia

Tue 6/10

7:20 am-10:57 pm

2 stops15h 37m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Compare providers for flights from Seattle to Hermosillo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Hermosillo in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Hermosillo flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Hermosillo flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Hermosillo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Hermosillo flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Hermosillo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 24, 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 April 24, 2025.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $527. Other airlines that can offer you cheap pricing are Aeromexico, from $889, and Delta, from $905. American Airlines is priced at 27% 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.

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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.
Portland to Hermosillo flights
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$496Average$782FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$525Average$671FlexibilityNo cancel feeOn-time71%

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