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Flights from Seattle to Mcallen

Cheapest airlines flights from Seattle to Mcallen

Fly from Seattle to Mcallen with 0 carriers, including , Delta Air Lines offers the cheapest flights from Seattle to Mcallen.

Find Seattle to Mcallen flight deals for the next 3 months. One way flights from US$114, round trip flights from US$193.

      • SEA 07:20
        7h 18m
        1 stop
        MFE 16:38
        Seattle - Mcallen | Fri, Dec 5 | Delta Air Lines
        MFE 12:49
        9h 59m
        1 stop
        SEA 20:48
        Mcallen - Seattle | Tue, Dec 9 | Delta Air Lines
        US$193 US$651
        70% OFF
        70% OFF
        US$651 US$193
      • SEA 11:01
        22h 23m
        1 stop
        MFE 11:24
        Seattle - Mcallen | Thu, Dec 11 | Frontier Airlines
        MFE 07:00
        7h 42m
        1 stop
        SEA 12:42
        Mcallen - Seattle | Tue, Dec 16 | United Airlines
        US$328 US$651
        50% OFF
        50% OFF
        US$651 US$328
      • SEA 23:59
        7h 8m
        1 stop
        MFE 09:07
        Seattle - Mcallen | Sun, Nov 16 | United Airlines
        MFE 07:05
        7h 26m
        1 stop
        SEA 12:31
        Mcallen - Seattle | Thu, Nov 20 | Alaska Airlines
        US$387 US$651
        41% OFF
        41% OFF
        US$651 US$387
      • SEA 07:45
        8h 51m
        1 stop
        MFE 18:36
        Seattle - Mcallen | Thu, Dec 4 | Alaska Airlines
        MFE 07:04
        7h 33m
        1 stop
        SEA 12:37
        Mcallen - Seattle | Wed, Dec 10 | Alaska Airlines
        US$395
        39% OFF
        US$651 US$395
      • SEA 23:59
        7h 3m
        1 stop
        MFE 09:02
        Seattle - Mcallen | Sun, Nov 16 | American Airlines
        MFE 17:04
        9h 54m
        1 stop
        SEA 00:58
        Mcallen - Seattle | Thu, Nov 20 | American Airlines
        US$410
        37% OFF
        US$651 US$410
      • SEA 07:44
        8h 56m
        1 stop
        MFE 18:40
        Seattle - Mcallen | Sun, Nov 16 | Alaska Airlines
        MFE 07:05
        7h 26m
        1 stop
        SEA 12:31
        Mcallen - Seattle | Thu, Nov 20 | Alaska Airlines
        US$413
        37% OFF
        US$651 US$413
      • SEA 23:59
        6h 55m
        1 stop
        MFE 08:54
        Seattle - Mcallen | Fri, Dec 5 | United Airlines
        MFE 17:20
        7h 27m
        1 stop
        SEA 22:47
        Mcallen - Seattle | Tue, Dec 9 | United Airlines
        US$438
        33% OFF
        US$651 US$438
      • SEA 21:53
        11h 46m
        1 stop
        MFE 11:39
        Seattle - Mcallen | Sun, Nov 23 | Frontier Airlines
        MFE 07:00
        7h 47m
        1 stop
        SEA 12:47
        Mcallen - Seattle | Thu, Nov 27 | United Airlines
        US$440
        32% OFF
        US$651 US$440
      • SEA 07:20
        7h 24m
        1 stop
        MFE 16:44
        Seattle - Mcallen | Wed, Nov 19 | Delta Air Lines
        MFE 17:24
        29h 26m
        1 stop
        SEA 20:50
        Mcallen - Seattle | Sun, Nov 23 | Delta Air Lines
        US$454
        30% OFF
        US$651 US$454
      • SEA 21:53
        12h 6m
        1 stop
        MFE 11:59
        Seattle - Mcallen | Sat, Nov 22 | Frontier Airlines
        MFE 07:00
        7h 47m
        1 stop
        SEA 12:47
        Mcallen - Seattle | Thu, Nov 27 | United Airlines
        US$469
        28% OFF
        US$651 US$469
      • SEA 13:00
        17h 25m
        1 stop
        MFE Invalid Date
        Seattle - Mcallen | Mon, Nov 17 | Normal Airline
        MFE 15:00
        6h
        Nonstop
        SEA 16:00
        Mcallen - Seattle | Wed, Nov 19 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Mcallen Flight Information

The distance between Seattle and Mcallen is approximately 3,164.98 km. The most popular month to fly to Mcallen is January. The off-season for travel is September.

Cheapest one-way flight priceUS$114
Cheapest return ticket priceUS$193
Cheapest monthSeptember
Peak season for travelJanuary
Flight distance3,164.98 km

When is the cheapest time to book flights from Seattle to Mcallen?

Best time for cheap flights from Seattle to Mcallen are between Dec 7 and Dec 14 with one way fares from US$106

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When is the best time to book flights from Seattle to Mcallen?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Mcallen is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Seattle to Mcallen is September, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seattle to Mcallen on November 16, 2025 with United Airlines, with prices starting at US$386.
  • The time difference between Mcallen and Seattle is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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