If you are looking to fly to Latvia for less, look to airlines like Wizz Air, airBaltic, and Ryanair, with prices starting at $29, $30, and $30 respectively.
Latvia has restricted the entry of all travelers except for Latvian, Estonian, and Lithuanian nationals and permanent residents. Nationals and residents of EEA Member States may enter the country if they are traveling from within the EEA. Spouses or minor children of Latvian nationals, members of government delegations and passengers in transit may still enter Latvia. Direct passenger flights between Latvia and the UK resumed. However, From January 11, UK nationals are no longer classified as EU/EEA nationals and will not be allowed entry to Latvia. These restrictions do not apply to UK nationals who are legally resident in Latvia and those who are transiting Latvia. Residents will be allowed to re-enter the country, but will need to present proof of residency, as well as their valid UK passport. Currently, residents of the following countries are also permitted to enter Latvia: Australia, Canada, Georgia, Japan, New Zealand, Rwanda, South Korea, Thailand, Tunisia, and Uruguay. This list is updated every two weeks by the EU and can be found here.Entry requirements
From 12 October, everyone who intends to enter Latvia is required to complete and submit an electronic form no earlier than 48 hours before entering Latvia. All travelers entering Latvia, including children aged 11 and above, must present a medical certificate with a negative COVID-19 test result issued within 72 hours before boarding their flight. Travelers without a valid medical certificate with a negative COVID-19 test result will be denied boarding. The certification must be in English, French, Russian or in the official language of the country from where the journey begins. Starting from July 16, all travelers are required on arrival to complete a contact form for contact tracing listing the address they will be staying upon arrival.Quarantine requirements
From September 17, the period of self-isolation is reduced from 14 days to 10 for asymptomatic travelers. Travelers who have been in contact with a COVID-19 infected person or who work in Latvia in the medical professions, as teachers, or as social workers are still required to self-isolate for 14 days. All travelers arriving at Riga International Airport from the UK are required to take a COVID-19 test upon arrival at the Airport or provide evidence of a negative test and then go straight to their place of residence to self-isolate for 10 days. The test result will be emailed to the them within 24 hours. If the test result is negative they should continue with their 10 days of self-isolation. If the test result is positive they should observe 10 days of quarantine. A second test is required on day 9 of self-isolation. If the result of the second test is negative, self-isolation can be safely completed after day 10. The Government of Latvia is monitoring the rates of COVID-19 in these countries and travelers arriving from countries with more than 15 cases per 100,000 inhabitants will be required to self-isolate for 10-14 days upon arrival. Up to date information can be found on the Government of Latvia website.