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Hermosillo

$176+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HMO
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from Washington to Hermosillo

Best flights from Washington to Hermosillo
Discover carefully curated flight deals from Washington to Hermosillo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 27, 2025.

This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:00 pmSEA - HMO
1 stop9h 10mVolaris
Sun 3/227:51 amHMO - SEA
1 stop11h 57mVolaris
Deal found 12/25$371
This eDestinos deal was found by Cheapflights users on 12/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:00 pmSEA - HMO
2 stops32h 45mMultiple Airlines
Sun 5/37:48 amHMO - SEA
1 stop12h 01mMultiple Airlines
Deal found 12/25$440
This SmartFares deal was found by Cheapflights users on 12/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:02 pmPDX - HMO
2 stops18h 22mAeromexico
Tue 2/177:46 pmHMO - PDX
2 stops25h 54mAeromexico
Deal found 12/26$514
This American Airlines deal was found by Cheapflights users on 12/25. 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 1/132:35 pmSEA - HMO
1 stop20h 48mAmerican Airlines
Tue 1/271:13 pmHMO - SEA
1 stop8h 22mAmerican Airlines
Deal found 12/25$547
This Delta deal was found by Cheapflights users on 12/25. 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.
Wed 1/216:25 amPDX - HMO
2 stops15h 34mDelta
Tue 1/276:05 amHMO - PDX
2 stops19h 12mDelta
Deal found 12/25$599
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 4/296:18 pmSEA - HMO
1 stop17h 11mAmerican Airlines
Mon 5/412:55 pmHMO - SEA
1 stop21h 39mAmerican Airlines
Deal found 12/25$572
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Sun 3/812:50 pmSEA - HMO
2 stops19h 05mMultiple Airlines
Tue 3/179:45 amHMO - SEA
1 stop10h 03mMultiple Airlines
Deal found 12/26$604
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 1/212:50 pmPDX - HMO
1 stop20h 33mAmerican Airlines
Tue 1/271:13 pmHMO - PDX
1 stop25h 28mAmerican Airlines
Deal found 12/25$585
This Aeromexico deal was found by Cheapflights users on 12/25. 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.
Sat 1/316:29 amGEG - HMO
2 stops26h 25mAeromexico
Wed 2/47:46 pmHMO - GEG
2 stops26h 44mAeromexico
Deal found 12/25$704
This Trip.com deal was found by Cheapflights users on 12/25. 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.
Sun 3/1510:00 pmSEA - HMO
2 stops33h 10mMultiple Airlines
Sun 3/229:45 amHMO - SEA
1 stop10h 03mMultiple Airlines
Deal found 12/25$666
This American Airlines deal was found by Cheapflights users on 12/26. 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 2/105:25 amPDX - HMO
1 stop5h 58mAmerican Airlines
Tue 2/171:19 pmHMO - PDX
1 stop22h 28mAmerican Airlines
Deal found 12/26$628
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 3/99:30 amSEA - HMO
1 stop13h 59mDelta
Mon 3/169:29 amHMO - SEA
1 stop10h 26mDelta
Deal found 12/26$791
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 3/99:30 amSEA - HMO
1 stop13h 59mDelta
Tue 3/176:07 amHMO - SEA
1 stop13h 48mDelta
Deal found 12/26$791
This American Airlines deal was found by Cheapflights users on 12/27. 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.
Thu 4/306:18 pmSEA - HMO
1 stop17h 11mAmerican Airlines
Sun 5/312:55 pmHMO - SEA
1 stop21h 39mAmerican Airlines
Deal found 12/27$657
This Aeromexico deal was found by Cheapflights users on 12/24. 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.
Sun 1/187:00 amGEG - HMO
2 stops24h 19mAeromexico
Thu 1/227:46 pmHMO - GEG
2 stops26h 34mAeromexico
Deal found 12/24$849
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 3/99:30 amSEA - HMO
1 stop13h 59mDelta
Thu 3/196:07 amHMO - SEA
1 stop13h 48mDelta
Deal found 12/26$791
This Delta deal was found by Cheapflights users on 12/26. 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.
Thu 3/59:34 amSEA - HMO
1 stop12h 25mDelta
Mon 3/169:29 amHMO - SEA
1 stop10h 26mDelta
Deal found 12/26$791

Find flight deals from Washington to Hermosillo

Keep the following information in mind while searching for Washington to Hermosillo flight deals. Data was last updated December 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$351
(Orbitz)

One-way from

$176
(Expedia)

Popular in

December

Cheapest in

February

Average price

$874
Provider with most accurate pricing for Seattle/Tacoma Intl-Hermosillo Gen Pesqueira Garcia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hermosillo Gen Pesqueira Garcia flights.
Search Deals
From Washington to Hermosillo Gen Pesqueira Garcia
Search Deals
One-way flight from Washington to Hermosillo Gen Pesqueira Garcia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 27, 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

Sun 3/15

10:00 pm-7:10 am

1 stop9h 10m

Hermosillo Gen Pesqueira Garcia

Sun 3/22

7:51 am-7:48 pm

1 stop11h 57m

$371

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Thu 4/30

11:00 pm-7:45 am

2 stops32h 45m

Hermosillo Gen Pesqueira Garcia

Sun 5/3

7:48 am-7:49 pm

1 stop12h 01m

$440

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

Tue 2/10

1:02 pm-8:24 am

2 stops18h 22m

Hermosillo Gen Pesqueira Garcia

Tue 2/17

7:46 pm-8:40 pm

2 stops25h 54m

$514

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 1/13

2:35 pm-12:23 pm

1 stop20h 48m

Hermosillo Gen Pesqueira Garcia

Tue 1/27

1:13 pm-8:35 pm

1 stop8h 22m

$547

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Wed 4/29

6:18 pm-11:29 am

1 stop17h 11m

Hermosillo Gen Pesqueira Garcia

Mon 5/4

12:55 pm-10:34 am

1 stop21h 39m

$572

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

Wed 1/21

2:50 pm-12:23 pm

1 stop20h 33m

Hermosillo Gen Pesqueira Garcia

Tue 1/27

1:13 pm-1:41 pm

1 stop25h 28m

$585

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

Wed 1/21

6:25 am-10:59 pm

2 stops15h 34m

Hermosillo Gen Pesqueira Garcia

Tue 1/27

6:05 am-12:17 am

2 stops19h 12m

$599

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 3/8

12:50 pm-7:55 am

2 stops19h 05m

Hermosillo Gen Pesqueira Garcia

Tue 3/17

9:45 am-7:48 pm

1 stop10h 03m

$604

PortlandHermosillo

PDX - HMO

PDXHMO

Portland

Tue 2/10

5:25 am-12:23 pm

1 stop5h 58m

Hermosillo Gen Pesqueira Garcia

Tue 2/17

1:19 pm-10:47 am

1 stop22h 28m

$628

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Thu 4/30

6:18 pm-11:29 am

1 stop17h 11m

Hermosillo Gen Pesqueira Garcia

Sun 5/3

12:55 pm-10:34 am

1 stop21h 39m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 22 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

How much does it cost to fly round-trip from State of Washington to Hermosillo?

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, Aeromexico, and American Airlines fly from State of Washington to Hermosillo in about 9h 10m. The time it takes to get you to your destination can typically vary by up to 11h 38m. The distance from State of Washington to Hermosillo is about 1403 mi. This flight may include one or multiple stops.

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

    Most travelers choose Seattle/Tacoma Intl - Hermosillo Gen Pesqueira Garcia, Portland - 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.

See more FAQs

Traveling to a place near Hermosillo?

Book flights to Hermosillo if you plan to visit one of these locations
San Carlos

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Alternative routes for Washington to Hermosillo

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Top airline flying from Washington to Hermosillo

Discover the top airline 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$525Average$585FlexibilityNo cancel feeOn-time71%

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