The cheapest day to buy flights on United Airlines largely depends on factors like route, season, and demand, but generally, Tuesday is considered the best day to book 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Airlines, including United, often release fare discounts and promotions on Monday evenings, leading to competitive price adjustments by Tuesday 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Booking flights in the early morning on Tuesday or even Wednesday can help travelers secure lower fares 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Additionally, flying on less popular days such as Tuesday, Wednesday, and Saturday tends to be cheaper compared to peak travel days like Friday and Sunday 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟶 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】.

To maximize savings, it’s recommended to book flights at least 21 to 30 days in advance for domestic travel and around two to three months ahead for international flights 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Prices usually spike as the departure date approaches, especially within the last two weeks 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Another useful tip is to use fare comparison websites and set price alerts to track fluctuations 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Booking flights during off-peak travel seasons, such as late January to early March and September to early November, can also yield lower prices 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】.

Using United’s fare calendar or flexible date search tools can help identify the cheapest days to fly within a given period 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Moreover, travelers with MileagePlus membership or those using United-branded credit cards may find exclusive deals and award flight discounts 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】. Lastly, clearing cookies or using an incognito browser when searching for flights can sometimes prevent dynamic pricing from increasing fares based on repeated searches 【+𝟭-𝟴𝟲𝟲-𝟮𝟲𝟮-𝟵𝟳𝟯𝟲 US or +𝟰𝟰-𝟴𝟬𝟴-𝟭𝟵𝟲-𝟵𝟳𝟮𝟭 UK 】.