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Cheap flights from Seattle to Hermosillo from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Hermosillo departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Hermosillo

Cheap round-trip flights

Volaris Logo
10:15 pm - 7:11 amSEA-HMO
8h 56m1 stop
Volaris Logo
8:26 am - 8:05 pmHMO-SEA
12h 39m1 stop
$415Volaris
Find Deal
Wed, Oct 29 - Wed, Nov 5
Volaris Logo
10:15 pm - 7:11 amSEA-HMO
8h 56m1 stop
Volaris Logo
8:26 am - 8:05 pmHMO-SEA
12h 39m1 stop
$449Volaris
Find Deal
Tue, Oct 28 - Tue, Nov 4
Multiple Airlines Logo
10:43 am - 1:40 pmSEA-HMO
26h 57m1 stop
Multiple Airlines Logo
8:20 am - 9:29 pmHMO-SEA
38h 09m2 stops
$460Multiple Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Volaris Logo
10:15 pm - 7:11 amSEA-HMO
8h 56m1 stop
Volaris Logo
7:57 am - 8:15 pmHMO-SEA
12h 18m1 stop
$496Volaris
Find Deal
Sun, Oct 5 - Thu, Oct 9
Multiple Airlines Logo
6:25 pm - 7:11 amSEA-HMO
36h 46m2 stops
Multiple Airlines Logo
8:37 pm - 8:05 pmHMO-SEA
24h 28m1 stop
$511Multiple Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Multiple Airlines Logo
6:12 am - 7:50 amSEA-HMO
25h 38m2 stops
Multiple Airlines Logo
9:10 pm - 8:15 pmHMO-SEA
23h 05m1 stop
$554Multiple Airlines
Find Deal
Sun, Oct 5 - Thu, Oct 9
Multiple Airlines Logo
12:58 am - 8:25 pmSEA-HMO
19h 27m2 stops
Multiple Airlines Logo
8:20 am - 8:05 pmHMO-SEA
12h 45m1 stop
$574Multiple Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4
American Airlines Logo
6:15 am - 12:34 pmSEA-HMO
5h 19m1 stop
American Airlines Logo
2:00 pm - 10:36 amHMO-SEA
21h 36m1 stop
$699American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Aeromexico Logo
7:10 am - 12:00 pmSEA-HMO
28h 50m2 stops
Aeromexico Logo
7:12 pm - 4:50 pmHMO-SEA
22h 38m2 stops
$937Aeromexico
Find Deal
Tue, Oct 28 - Tue, Nov 4
Aeromexico Logo
5:45 am - 11:22 pmSEA-HMO
16h 37m2 stops
Aeromexico Logo
8:18 am - 8:00 pmHMO-SEA
12h 42m1 stop
$1,052Aeromexico
Find Deal
Tue, Mar 3 - Wed, Mar 4

Volaris flights from Seattle to Hermosillo

Our best Volaris deals on Seattle to Hermosillo flight tickets
Volaris
Oct 29
SEA10:15 pmSeattle/Tacoma Intl
8h 56m
1 stop
HMO7:11 amHermosillo Gen Pesqueira Garcia
Nov 5
HMO8:26 amHermosillo Gen Pesqueira Garcia
12h 39m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$415
Find similar
Volaris
Oct 28
SEA10:15 pmSeattle/Tacoma Intl
8h 56m
1 stop
HMO7:11 amHermosillo Gen Pesqueira Garcia
Nov 4
HMO8:26 amHermosillo Gen Pesqueira Garcia
12h 39m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$449
Find similar
Volaris
Oct 5
SEA10:15 pmSeattle/Tacoma Intl
8h 56m
1 stop
HMO7:11 amHermosillo Gen Pesqueira Garcia
Oct 9
HMO7:57 amHermosillo Gen Pesqueira Garcia
12h 18m
1 stop
SEA8:15 pmSeattle/Tacoma Intl
$496
Find similar

Aeromexico flights from Seattle to Hermosillo

Our best Aeromexico deals on Seattle to Hermosillo flight tickets
Aeromexico
Oct 28
SEA7:10 amSeattle/Tacoma Intl
28h 50m
2 stops
HMO12:00 pmHermosillo Gen Pesqueira Garcia
Nov 4
HMO7:12 pmHermosillo Gen Pesqueira Garcia
22h 38m
2 stops
SEA4:50 pmSeattle/Tacoma Intl
$937
Find similar
Aeromexico
Mar 3
SEA5:45 amSeattle/Tacoma Intl
16h 37m
2 stops
HMO11:22 pmHermosillo Gen Pesqueira Garcia
Mar 4
HMO8:18 amHermosillo Gen Pesqueira Garcia
12h 42m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
$1,052
Find similar
Aeromexico
Mar 3
SEA7:20 amSeattle/Tacoma Intl
15h 02m
2 stops
HMO11:22 pmHermosillo Gen Pesqueira Garcia
Mar 4
HMO6:05 amHermosillo Gen Pesqueira Garcia
17h 20m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
$1,062
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Seattle to Hermosillo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Wed 10/29

10:15 pm-7:11 am

1 stop8h 56m

Hermosillo Gen Pesqueira Garcia

Wed 11/5

8:26 am-8:05 pm

1 stop12h 39m

$415

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 10/28

10:15 pm-7:11 am

1 stop8h 56m

Hermosillo Gen Pesqueira Garcia

Tue 11/4

8:26 am-8:05 pm

1 stop12h 39m

$449

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 10/28

10:43 am-1:40 pm

1 stop26h 57m

Hermosillo Gen Pesqueira Garcia

Tue 11/4

8:20 am-9:29 pm

2 stops38h 09m

$460

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 10/5

10:15 pm-7:11 am

1 stop8h 56m

Hermosillo Gen Pesqueira Garcia

Thu 10/9

7:57 am-8:15 pm

1 stop12h 18m

$496

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Wed 10/29

6:25 pm-7:11 am

2 stops36h 46m

Hermosillo Gen Pesqueira Garcia

Wed 11/5

8:37 pm-8:05 pm

1 stop24h 28m

$511

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 10/5

6:12 am-7:50 am

2 stops25h 38m

Hermosillo Gen Pesqueira Garcia

Thu 10/9

9:10 pm-8:15 pm

1 stop23h 05m

$554

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Mon 10/27

12:58 am-8:25 pm

2 stops19h 27m

Hermosillo Gen Pesqueira Garcia

Tue 11/4

8:20 am-8:05 pm

1 stop12h 45m

$574

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 3/3

6:15 am-12:34 pm

1 stop5h 19m

Hermosillo Gen Pesqueira Garcia

Wed 3/4

2:00 pm-10:36 am

1 stop21h 36m

$699

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 10/28

7:10 am-12:00 pm

2 stops28h 50m

Hermosillo Gen Pesqueira Garcia

Tue 11/4

7:12 pm-4:50 pm

2 stops22h 38m

$937

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Tue 3/3

5:45 am-11:22 pm

2 stops16h 37m

Hermosillo Gen Pesqueira Garcia

Wed 3/4

8:18 am-8:00 pm

1 stop12h 42m

$1,052

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Hermosillo from

How to get the cheapest flight ticket from Seattle to Hermosillo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Hermosillo?

On average, the least expensive day to fly to Hermosillo from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $559. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $782. These prices are subject to change though, so be sure to set up a Price Alert for flights to Hermosillo.

What is the cheapest time of day to depart on your flight to Hermosillo?

In the evening is the cheapest time of day to fly from Seattle to Hermosillo when you can find flight prices for as low as $593. Flying to Hermosillo in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $688. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Seattle to Hermosillo

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hermosillo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Hermosillo (SEA to HMO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Hermosillo

Direct flights

None
There are no direct flights from Seattle to Hermosillo. There are no popular flight routes from Seattle to Hermosillo.
Search flight deals

  • How far is Seattle/Tacoma Intl to Hermosillo Gen Pesqueira Garcia by plane?

    Hermosillo Gen Pesqueira Garcia is 1414.9 mi away from Seattle/Tacoma Intl. Typically, this will take 5h 19m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hermosillo Gen Pesqueira Garcia Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Hermosillo Gen Pesqueira Garcia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hermosillo Gen Pesqueira Garcia Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hermosillo Gen Pesqueira Garcia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hermosillo Gen Pesqueira Garcia Airport.

  • What documentation or ID do you need to fly to Hermosillo Gen Pesqueira Garcia Airport?

    The necessary travel and health documents for your Hermosillo Gen Pesqueira Garcia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Hermosillo?

Best airlines flying from Seattle to Hermosillo

Compare and see reviews for airlines that fly from Seattle to Hermosillo with momondo
Airline
Rating
Free Cancellation
Price
VolarisPriceFrom $496Free CancellationRating
6.6
1,154 reviews
Search Volaris flights
American AirlinesPriceFrom $525Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Hermosillo?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Hermosillo?

Finding the right flight to Hermosillo from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hermosillo quick and easy, saving you time and money.

Can I find flights from Seattle to Hermosillo with flexible booking policies on momondo?

Flights from Seattle to Hermosillo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Hermosillo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Hermosillo.

I’m not ready to book a flight from Seattle to Hermosillo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hermosillo, momondo offers a useful price alert feature which will track prices for flights to Hermosillo from Seattle and alert you when they change.

An easier way to manage your Hermosillo trip

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