Generally, Glasgow (GLA) tends to be slightly cheaper than Edinburgh (EDI) for international arrivals, though the difference is often marginal in 2026. Edinburgh is the primary tourist hub and high-traffic business center, which can drive up demand and prices, especially during the "Fringe Festival" in August. Glasgow often serves as a competitive alternative with lower landing fees for some carriers. However, Edinburgh frequently has a wider variety of direct low-cost carrier options (like Ryanair and easyJet) from mainland Europe, which can make it the cheaper choice for short-haul "point-to-point" travel. Since the two cities are only about 45 miles apart and connected by a frequent 50-minute train service, savvy travelers often check both airports and choose the one that offers the best "total trip cost." For 2026, data suggests that January and February are the cheapest months to fly into either Scottish gateway.