Your next trip, last seen at €141
Lowest observedAllegiant Air · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €141, departing 13 Jan 2027 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Allegiant Air, Frontier Airlines, United Airlines, Viva Aerobus
- Typical journey time
- 17h 58m
About this route
Explore the fares we observed from McAllen to Seattle. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,176 km
- Typical journey time
- 17h 58m
- Seen on fares with a connection
- Allegiant Air, Alaska Airlines, United Airlines, Frontier Airlines
- Alternative airports
- BFI
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- McAllen Miller International Airport (MFE) → McAllen, city gazetteer reference point (26.2034, -98.2300): ≈ 3 km.
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from McAllen to Seattle: Allegiant Air, from €141 (checked 18 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Allegiant Air | €141Jan 13, 2027 | 48 |
| Frontier Airlines | €187Nov 16, 2026 | 6 |
| Alaska Airlines | €283Dec 4, 2026 | 15 |
| United Airlines | €284Nov 9, 2026 | 7 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from McAllen to Seattle?
The lowest fare Routavio has observed is €141, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from McAllen to Seattle?
In our observations January 2027 is the cheapest month so far, at €141.
Are there direct flights from McAllen to Seattle?
Our data holds no non-stop flight from McAllen to Seattle. The fares on this page include at least one stop.
Which airlines fly from McAllen to Seattle?
Routavio has seen these carriers on the route: Alaska Airlines, Allegiant Air, Frontier Airlines, United Airlines, Viva Aerobus.
How long does the flight from McAllen to Seattle take?
Across the 81 fares Routavio observed, the average journey time is 19h 47m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed McAllen to Seattle fares were non-stop?
None of the 82 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from McAllen to Seattle?
Cheapest airline from McAllen to Seattle: Allegiant Air, from €141 (checked 18 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 25 Oct 2026