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Hermosillo

$249+ Cheap flights from Washington 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HMO
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Washington to Hermosillo

Keep the following information in mind while searching for Washington to Hermosillo flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$449
(CheapOair)

One-way from

$249
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$576
From Washington to Hermosillo Gen Pesqueira Garcia
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One-way flight from Washington to Hermosillo Gen Pesqueira Garcia
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Highest demand for flights based on searches. 21% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Hermosillo

Cheapest flights from Washington to Hermosillo
Explore the most affordable flight options available from Washington to Hermosillo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:15 pmSEA - HMO
1 stop8h 56mVolaris
mar. 11/48:26 amHMO - SEA
1 stop12h 39mVolaris
Deal found 9/16$449
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
mar. 10/2810:43 amSEA - HMO
1 stop26h 57mMultiple Airlines
mar. 11/48:20 amHMO - SEA
2 stops38h 09mMultiple Airlines
Deal found 9/16$460
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/510:15 pmSEA - HMO
1 stop8h 56mVolaris
jue. 10/97:57 amHMO - SEA
1 stop12h 18mVolaris
Deal found 9/16$496
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
mié. 10/2212:43 pmPDX - HMO
2 stops31h 42mMultiple Airlines
mar. 10/289:10 pmHMO - PDX
1 stop23h 45mMultiple Airlines
Deal found 9/16$498
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
dom. 10/56:12 amSEA - HMO
2 stops25h 38mMultiple Airlines
jue. 10/99:10 pmHMO - SEA
1 stop23h 05mMultiple Airlines
Deal found 9/16$554
This American Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/225:05 amPDX - HMO
1 stop6h 40mAmerican Airlines
mar. 10/2812:25 pmHMO - PDX
1 stop22h 22mAmerican Airlines
Deal found 9/16$556
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
dom. 10/511:18 pmPDX - HMO
2 stops31h 07mMultiple Airlines
mar. 10/149:10 pmHMO - PDX
1 stop23h 45mMultiple Airlines
Deal found 9/16$574
This Delta deal was found by Cheapflights users on 9/16. 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.
dom. 10/57:15 amPDX - HMO
2 stops16h 18mDelta
mar. 10/146:10 amHMO - PDX
2 stops17h 47mDelta
Deal found 9/16$617
This Aeromexico deal was found by Cheapflights users on 9/16. 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.
mar. 10/287:10 amSEA - HMO
2 stops28h 50mAeromexico
mar. 11/47:12 pmHMO - SEA
2 stops22h 38mAeromexico
Deal found 9/16$937

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Washington to Hermosillo that are best for you.

Fly from

Washington

Fly to

Hermosillo

Route

Depart

Return

Price

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

mar. 10/28

10:15 pm-7:11 am

1 stop8h 56m

Hermosillo Gen Pesqueira Garcia

mar. 11/4

8:26 am-8:05 pm

1 stop12h 39m

$449

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

mar. 10/28

10:43 am-1:40 pm

1 stop26h 57m

Hermosillo Gen Pesqueira Garcia

mar. 11/4

8:20 am-9:29 pm

2 stops38h 09m

$460

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

dom. 10/5

10:15 pm-7:11 am

1 stop8h 56m

Hermosillo Gen Pesqueira Garcia

jue. 10/9

7:57 am-8:15 pm

1 stop12h 18m

$496

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

mié. 10/22

12:43 pm-8:25 pm

2 stops31h 42m

Hermosillo Gen Pesqueira Garcia

mar. 10/28

9:10 pm-8:55 pm

1 stop23h 45m

$498

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

dom. 10/5

6:12 am-7:50 am

2 stops25h 38m

Hermosillo Gen Pesqueira Garcia

jue. 10/9

9:10 pm-8:15 pm

1 stop23h 05m

$554

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

mié. 10/22

5:05 am-11:45 am

1 stop6h 40m

Hermosillo Gen Pesqueira Garcia

mar. 10/28

12:25 pm-10:47 am

1 stop22h 22m

$556

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

dom. 10/5

11:18 pm-6:25 am

2 stops31h 07m

Hermosillo Gen Pesqueira Garcia

mar. 10/14

9:10 pm-8:55 pm

1 stop23h 45m

$574

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

dom. 10/5

7:15 am-11:33 pm

2 stops16h 18m

Hermosillo Gen Pesqueira Garcia

mar. 10/14

6:10 am-11:57 pm

2 stops17h 47m

$617

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

mar. 3/3

5:27 am-12:34 pm

1 stop6h 07m

Hermosillo Gen Pesqueira Garcia

mié. 3/4

2:00 pm-11:11 pm

1 stop10h 11m

$656

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

mar. 3/3

6:30 am-11:22 pm

2 stops15h 52m

Hermosillo Gen Pesqueira Garcia

mié. 3/4

6:24 pm-7:29 pm

2 stops26h 05m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 19 results
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Best time to book a flight from Washington to Hermosillo

Have a flexible travel schedule? Discover the best time to fly to Hermosillo from Washington 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 Washington to Hermosillo

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

Find hourly flight availability from Washington 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 septiembre 17, 2025.

When flying from State of Washington to Hermosillo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • What airport do you fly into for flights to Hermosillo from Washington?

    Hermosillo Gen Pesqueira Garcia (HMO), located 4.3 mi from the city center, is the airport you fly into when you book flights from Washington to Hermosillo.

  • How long is the flight from State of Washington to Hermosillo?

    Airlines like Volaris, American Airlines, and Delta fly from State of Washington to Hermosillo in about 6h 40m. The time it takes to get you to your destination can typically vary by up to 9h 38m. The distance from State of Washington to Hermosillo is about 1300 mi. This flight may include one or multiple stops.

  • What are the most popular routes from State of Washington to Hermosillo?

    Most travelers choose Portland - Hermosillo Gen Pesqueira Garcia, Seattle/Tacoma Intl - Hermosillo Gen Pesqueira Garcia or Spokane - Hermosillo Gen Pesqueira Garcia when deciding on the best route from State of Washington to Hermosillo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Hermosillo?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Hermosillo (average of $414). Flying from State of Washington 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 Washington to Hermosillo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Hermosillo

Discover the top 2 airlines that operate flights from Washington 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$496Average$782FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$525Average$576FlexibilityNo cancel feeOn-time71%

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