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Cheap flights from Seattle to Hermosillo from $276

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 3/31. 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

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 pm - 12:23 pm
SEA
-
HMO
17h 23m1 stop
American Airlines Logo
1:13 pm - 1:49 pm
HMO
-
SEA
25h 36m1 stop
$500American Airlines
Thu, Jan 29 - Sun, Feb 1
Multiple Airlines Logo
9:25 pm - 8:14 am
SEA
-
HMO
33h 49m2 stops
Multiple Airlines Logo
8:37 pm - 7:48 pm
HMO
-
SEA
24h 11m1 stop
$539Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Volaris Logo
10:00 pm - 7:45 am
SEA
-
HMO
8h 45m1 stop
Volaris Logo
1:21 pm - 7:48 pm
HMO
-
SEA
31h 27m3 stops
$548Volaris
Sun, Jan 25 - Sun, Feb 1
American Airlines Logo
6:00 pm - 12:23 pm
SEA
-
HMO
17h 23m1 stop
American Airlines Logo
1:13 pm - 1:49 pm
HMO
-
SEA
25h 36m1 stop
$558American Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
10:00 pm - 8:14 am
SEA
-
HMO
33h 14m3 stops
Multiple Airlines Logo
9:35 am - 7:48 pm
HMO
-
SEA
35h 13m3 stops
$574Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Volaris Logo
10:00 pm - 7:45 am
SEA
-
HMO
8h 45m1 stop
Volaris Logo
8:26 am - 7:48 pm
HMO
-
SEA
12h 22m1 stop
$575Volaris
Fri, Jan 16 - Sun, Jan 18
Volaris Logo
10:00 pm - 7:45 am
SEA
-
HMO
8h 45m1 stop
Volaris Logo
1:21 pm - 7:48 pm
HMO
-
SEA
31h 27m3 stops
$583Volaris
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
10:00 pm - 8:14 am
SEA
-
HMO
33h 14m3 stops
Multiple Airlines Logo
7:39 pm - 7:48 pm
HMO
-
SEA
25h 09m2 stops
$596Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Volaris Logo
10:00 pm - 7:33 pm
SEA
-
HMO
20h 33m2 stops
Volaris Logo
1:21 pm - 7:48 pm
HMO
-
SEA
31h 27m3 stops
$642Volaris
Fri, Jan 16 - Sun, Jan 18
American Airlines Logo
6:18 pm - 11:29 am
SEA
-
HMO
17h 11m1 stop
American Airlines Logo
12:55 pm - 10:34 am
HMO
-
SEA
21h 39m1 stop
$657American Airlines
Thu, Apr 30 - Sun, May 3

American Airlines flights from Seattle to Hermosillo

Our best American Airlines deals on Seattle to Hermosillo flight tickets
American Airlines
Jan 29
SEA6:00 pmSeattle/Tacoma Intl
17h 23m
1 stop
HMO12:23 pmHermosillo Gen Pesqueira Garcia
Feb 1
HMO1:13 pmHermosillo Gen Pesqueira Garcia
25h 36m
1 stop
SEA1:49 pmSeattle/Tacoma Intl
$500
Find similar
American Airlines
Jan 25
SEA6:00 pmSeattle/Tacoma Intl
17h 23m
1 stop
HMO12:23 pmHermosillo Gen Pesqueira Garcia
Feb 1
HMO1:13 pmHermosillo Gen Pesqueira Garcia
25h 36m
1 stop
SEA1:49 pmSeattle/Tacoma Intl
$558
Find similar
American Airlines
Apr 30
SEA6:18 pmSeattle/Tacoma Intl
17h 11m
1 stop
HMO11:29 amHermosillo Gen Pesqueira Garcia
May 3
HMO12:55 pmHermosillo Gen Pesqueira Garcia
21h 39m
1 stop
SEA10:34 amSeattle/Tacoma Intl
$657
Find similar

Volaris flights from Seattle to Hermosillo

Our best Volaris deals on Seattle to Hermosillo flight tickets
Volaris
Jan 25
SEA10:00 pmSeattle/Tacoma Intl
8h 45m
1 stop
HMO7:45 amHermosillo Gen Pesqueira Garcia
Feb 1
HMO1:21 pmHermosillo Gen Pesqueira Garcia
31h 27m
3 stops
SEA7:48 pmSeattle/Tacoma Intl
$548
Find similar
Volaris
Jan 16
SEA10:00 pmSeattle/Tacoma Intl
8h 45m
1 stop
HMO7:45 amHermosillo Gen Pesqueira Garcia
Jan 18
HMO8:26 amHermosillo Gen Pesqueira Garcia
12h 22m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$575
Find similar
Volaris
Jan 16
SEA10:00 pmSeattle/Tacoma Intl
8h 45m
1 stop
HMO7:45 amHermosillo Gen Pesqueira Garcia
Jan 18
HMO1:21 pmHermosillo Gen Pesqueira Garcia
31h 27m
3 stops
SEA7:48 pmSeattle/Tacoma Intl
$583
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 December 11, 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

Thu 1/29

6:00 pm-12:23 pm

1 stop17h 23m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

1:13 pm-1:49 pm

1 stop25h 36m

$500

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 1/25

9:25 pm-8:14 am

2 stops33h 49m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

8:37 pm-7:48 pm

1 stop24h 11m

$539

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 1/25

10:00 pm-7:45 am

1 stop8h 45m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

1:21 pm-7:48 pm

3 stops31h 27m

$548

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 1/25

6:00 pm-12:23 pm

1 stop17h 23m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

1:13 pm-1:49 pm

1 stop25h 36m

$558

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 1/25

10:00 pm-8:14 am

3 stops33h 14m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

9:35 am-7:48 pm

3 stops35h 13m

$574

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Fri 1/16

10:00 pm-7:45 am

1 stop8h 45m

Hermosillo Gen Pesqueira Garcia

Sun 1/18

8:26 am-7:48 pm

1 stop12h 22m

$575

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Fri 1/16

10:00 pm-7:45 am

1 stop8h 45m

Hermosillo Gen Pesqueira Garcia

Sun 1/18

1:21 pm-7:48 pm

3 stops31h 27m

$583

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Sun 1/25

10:00 pm-8:14 am

3 stops33h 14m

Hermosillo Gen Pesqueira Garcia

Sun 2/1

7:39 pm-7:48 pm

2 stops25h 09m

$596

SeattleHermosillo

SEA - HMO

SEAHMO

Seattle/Tacoma Intl

Fri 1/16

10:00 pm-7:33 pm

2 stops20h 33m

Hermosillo Gen Pesqueira Garcia

Sun 1/18

1:21 pm-7:48 pm

3 stops31h 27m

$642

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.

Showing 1-10 of 13 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

Fastest flight time

8h 45m

Direct flights

None
The fastest flight from Seattle to Hermosillo takes 8h 45m
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 8h 45m 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
American AirlinesPriceFrom $525Free CancellationRating
7.2
11,050 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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