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Cheap flights from Seattle to McAllen from $171

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 McAllen departing on 12/13. 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 McAllen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:25 am - 12:07 amSEA-MFE
10h 42m2 stops
Delta Logo
1:00 pm - 7:31 pmMFE-SEA
8h 31m1 stop
$202Delta
Find Deal
Wed, Feb 11 - Sat, Feb 28
American Airlines Logo
1:35 am - 9:49 amSEA-MFE
6h 14m1 stop
American Airlines Logo
6:18 pm - 11:09 pmMFE-SEA
6h 51m1 stop
$207American Airlines
Find Deal
Wed, Feb 11 - Tue, Feb 17
Delta Logo
7:30 am - 4:55 pmSEA-MFE
7h 25m1 stop
Delta Logo
1:00 pm - 7:31 pmMFE-SEA
8h 31m1 stop
$243Delta
Find Deal
Wed, Feb 11 - Sat, Feb 28
Delta Logo
11:25 am - 12:07 amSEA-MFE
10h 42m2 stops
Delta Logo
1:00 pm - 7:31 pmMFE-SEA
8h 31m1 stop
$248Delta
Find Deal
Wed, Feb 11 - Fri, Feb 27
Delta Logo
7:30 am - 4:55 pmSEA-MFE
7h 25m1 stop
Delta Logo
5:28 pm - 8:54 amMFE-SEA
17h 26m1 stop
$251Delta
Find Deal
Wed, Feb 4 - Fri, Feb 20
Delta Logo
7:30 am - 4:55 pmSEA-MFE
7h 25m1 stop
Delta Logo
5:28 pm - 8:54 amMFE-SEA
17h 26m1 stop
$252Delta
Find Deal
Wed, Feb 4 - Thu, Feb 19
Delta Logo
7:30 am - 4:55 pmSEA-MFE
7h 25m1 stop
Delta Logo
1:00 pm - 8:54 amMFE-SEA
21h 54m1 stop
$253Delta
Find Deal
Thu, Feb 5 - Thu, Feb 19
American Airlines Logo
7:34 am - 5:04 pmSEA-MFE
7h 30m1 stop
American Airlines Logo
6:18 pm - 12:57 amMFE-SEA
8h 39m1 stop
$288American Airlines
Find Deal
Wed, Feb 11 - Fri, Feb 27
American Airlines Logo
8:35 am - 6:17 pmSEA-MFE
7h 42m1 stop
American Airlines Logo
8:03 pm - 12:57 amMFE-SEA
6h 54m1 stop
$289American Airlines
Find Deal
Fri, Feb 6 - Thu, Feb 19
United Airlines Logo
11:10 pm - 8:53 amSEA-MFE
7h 43m1 stop
United Airlines Logo
7:00 am - 4:20 pmMFE-SEA
11h 20m2 stops
$293United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21

American Airlines flights from Seattle to McAllen

Our best American Airlines deals on Seattle to McAllen flight tickets
American Airlines
Feb 11
SEA1:35 amSeattle/Tacoma Intl
6h 14m
1 stop
MFE9:49 amMcAllen Miller Intl
Feb 17
MFE6:18 pmMcAllen Miller Intl
6h 51m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
$207
Find similar
American Airlines
Feb 11
SEA7:34 amSeattle/Tacoma Intl
7h 30m
1 stop
MFE5:04 pmMcAllen Miller Intl
Feb 27
MFE6:18 pmMcAllen Miller Intl
8h 39m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$288
Find similar
American Airlines
Feb 6
SEA8:35 amSeattle/Tacoma Intl
7h 42m
1 stop
MFE6:17 pmMcAllen Miller Intl
Feb 19
MFE8:03 pmMcAllen Miller Intl
6h 54m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$289
Find similar

United Airlines flights from Seattle to McAllen

Our best United Airlines deals on Seattle to McAllen flight tickets
United Airlines
Oct 17
SEA11:10 pmSeattle/Tacoma Intl
7h 43m
1 stop
MFE8:53 amMcAllen Miller Intl
Oct 21
MFE7:00 amMcAllen Miller Intl
11h 20m
2 stops
SEA4:20 pmSeattle/Tacoma Intl
$293
Find similar
United Airlines
Oct 11
SEA10:25 amSeattle/Tacoma Intl
9h 32m
1 stop
MFE9:57 pmMcAllen Miller Intl
Oct 18
MFE12:14 pmMcAllen Miller Intl
11h 01m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$474
Find similar
United Airlines
Oct 16
SEA11:10 pmSeattle/Tacoma Intl
7h 43m
1 stop
MFE8:53 amMcAllen Miller Intl
Oct 21
MFE12:14 pmMcAllen Miller Intl
9h 02m
1 stop
SEA7:16 pmSeattle/Tacoma Intl
$603
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to McAllen 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 October 2, 2025.
Use the filters below to find and compare flights from Seattle to McAllen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/11

11:25 am-12:07 am

2 stops10h 42m

McAllen Miller Intl

Sat 2/28

1:00 pm-7:31 pm

1 stop8h 31m

$202

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/11

1:35 am-9:49 am

1 stop6h 14m

McAllen Miller Intl

Tue 2/17

6:18 pm-11:09 pm

1 stop6h 51m

$207

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/11

7:30 am-4:55 pm

1 stop7h 25m

McAllen Miller Intl

Sat 2/28

1:00 pm-7:31 pm

1 stop8h 31m

$243

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/11

11:25 am-12:07 am

2 stops10h 42m

McAllen Miller Intl

Fri 2/27

1:00 pm-7:31 pm

1 stop8h 31m

$248

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/4

7:30 am-4:55 pm

1 stop7h 25m

McAllen Miller Intl

Fri 2/20

5:28 pm-8:54 am

1 stop17h 26m

$251

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/4

7:30 am-4:55 pm

1 stop7h 25m

McAllen Miller Intl

Thu 2/19

5:28 pm-8:54 am

1 stop17h 26m

$252

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Thu 2/5

7:30 am-4:55 pm

1 stop7h 25m

McAllen Miller Intl

Thu 2/19

1:00 pm-8:54 am

1 stop21h 54m

$253

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Wed 2/11

7:34 am-5:04 pm

1 stop7h 30m

McAllen Miller Intl

Fri 2/27

6:18 pm-12:57 am

1 stop8h 39m

$288

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Fri 2/6

8:35 am-6:17 pm

1 stop7h 42m

McAllen Miller Intl

Thu 2/19

8:03 pm-12:57 am

1 stop6h 54m

$289

SeattleMcAllen

SEA - MFE

SEAMFE

Seattle/Tacoma Intl

Fri 10/17

11:10 pm-8:53 am

1 stop7h 43m

McAllen Miller Intl

Tue 10/21

7:00 am-4:20 pm

2 stops11h 20m

$293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to McAllen from

How to get the cheapest flight ticket from Seattle to McAllen

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 month to fly to McAllen?

The month of May is, on average, the cheapest month to fly to McAllen from Seattle, with most prices found around $292. If you don’t want to visit McAllen in May, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $306.

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

On average, the least expensive day to fly to McAllen from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $330. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to McAllen for around $545.

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

Flying to McAllen from Seattle at noon is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to McAllen is in the evening when prices are around $471.

Can stopping save me money on Seattle to McAllen flights?

You could potentially save up to 46% on your flight if you consider stops on a Seattle to McAllen flight.

How have Seattle to McAllen flight prices changed over time?

As of October 2025, prices for Seattle to McAllen flights are approximately 59% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to McAllen

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

Cheap Seattle to McAllen (SEA to MFE) flight deals and tips

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

Direct flights

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

  • How far is Seattle/Tacoma Intl to McAllen Miller Intl by plane?

    The distance between Seattle/Tacoma Intl and McAllen Miller Intl is about 1972.7 mi. 6h 14m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to McAllen Miller Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to McAllen Miller Intl Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to McAllen Miller Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to McAllen Miller Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to McAllen Miller Intl Airport.

  • What documentation or ID do you need to fly to McAllen Miller Intl Airport?

    The travel and health documents you'll need for your trip to McAllen Miller Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at McAllen Miller Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to McAllen

Compare and see reviews for airlines that fly from Seattle to McAllen with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $208Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $222Free CancellationRating
7.9
7,962 reviews
Search Delta flights

Traveling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Weslaco
Mission
Pharr
Edinburg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to McAllen. momondo saves you time and could save you money on your trip.

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

All flight searches from Seattle to McAllen on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Seattle and McAllen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Seattle to McAllen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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