Your next trip, last seen at €417
Lowest observedAlaska Airlines · 3 stops · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
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.
- Lowest observed
- €417, departing 9 Nov 2026 (Last checked: 11 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 103Check live prices for this route
- Airlines seen
- Aeromexico, Alaska Airlines, Allegiant Air, Avianca, Copa Airlines, Frontier Airlines +4 more
- Typical journey time
- 28h 29m
About this route
Explore the fares we observed from Great Falls to San Salvador. Prices move often, so pick your dates to see the latest options.
- Route distance
- 4,279 km
- Typical journey time
- 28h 29m
- Airlines seen
- Aeromexico, Alaska Airlines, Allegiant Air, Avianca, Copa Airlines, Frontier Airlines +4 more
- Seen on fares with a connection
- Alaska Airlines, Volaris, Aeromexico, Allegiant Air, Avianca, Volaris El Salvador +1 more
- Alternative airports
- ILS
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
- Great Falls International Airport (GTF) → Great Falls, city gazetteer reference point (47.5002, -111.3008): ≈ 6 km.
- Ilopango International Airport (ILS) → San Salvador, city gazetteer reference point (13.6929, -89.2182): ≈ 11 km.
- El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL) → San Salvador, city gazetteer reference point (13.6929, -89.2182): ≈ 33 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 fare by departure month
Cheapest month from Great Falls to San Salvador: November 2026, from €417 (checked 11 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €510 | 14 |
| November 2026 | €417 | 27 |
| December 2026 | €534 | 21 |
| January 2027 | €439 | 31 |
| February 2027 | €491 | 10 |
Lowest fare by day of the week
Cheapest day of the week from Great Falls to San Salvador: Monday, from €417 (checked 11 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €417 | 17 |
| Tuesday | €460 | 17 |
| Wednesday | €493 | 16 |
| Thursday | €499 | 10 |
| Friday | €452 | 14 |
| Saturday | €460 | 14 |
| Sunday | €439 | 15 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Great Falls to San Salvador by days until departure (8 to 30 days): €417 (checked 11 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €510 | 7 |
| 8 to 30 days | €417 | 20 |
| 31 to 60 days | €548 | 26 |
| 61 days or more | €439 | 50 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Great Falls to San Salvador: Alaska Airlines, from €417 (checked 11 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Alaska Airlines | €417Nov 9, 2026 | 82 |
| Volaris | €499Feb 5, 2027 | 9 |
| Allegiant Air | €534Dec 31, 2026 | 3 |
| Avianca | €556Jan 25, 2027 | 3 |
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 Great Falls to San Salvador?
The lowest fare we have observed is €417, found on 11 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Great Falls to San Salvador?
Cheapest month from Great Falls to San Salvador: November 2026, from €417 (checked 11 Oct 2026).
Are there direct flights from Great Falls to San Salvador?
Our data holds no non-stop flight from Great Falls to San Salvador. The fares on this page include at least one stop.
Which airlines fly from Great Falls to San Salvador?
These are the carriers we have seen on the route: Aeromexico, Alaska Airlines, Allegiant Air, Avianca, Copa Airlines, Frontier Airlines +4 more.
How long does the flight from Great Falls to San Salvador take?
The average journey time across the 123 fares we observed is 36h 46m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Great Falls to San Salvador fares were non-stop?
None of the 124 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Great Falls to San Salvador?
Cheapest day of the week from Great Falls to San Salvador: Monday, from €417 (checked 11 Oct 2026).
Which airline has the lowest fare from Great Falls to San Salvador?
Cheapest airline from Great Falls to San Salvador: Alaska Airlines, from €417 (checked 11 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
More routes from Great Falls
Show all 7 routes →Show fewer ↑
More routes to San Salvador
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 11 Oct 2026