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From empty middle seats to fewer flights, the COVID-19 pandemic has changed the face of air travel as we know it.

While the Centers for Disease Control and Prevention are still only recommending essential travel, the number of people flying is expected to increase as states and countries begin cautious reopenings. Major airlines like Delta and United have announced plans to restart domestic and international routes in June, including reopening routes to Beijing.

With new rules meant to curb the spread of the virus, your next flight is sure to be unlike any you've had before, and those traveling through Seattle-Tacoma International Airport might be shocked to see just how much has changed since the start of the pandemic a few months ago.

Plastic barriers between agents and passengers and 6-foot social distance markings similar to those in grocery stores may be expected, but fewer dining options and stringent mask guidelines may take some travelers by surprise. The airport has even installed over 240 hand sanitizer dispensers to increase hygiene and sanitation efforts.

Keep reading and click through the gallery above to see frequently asked questions and answers about flying out of Sea-Tac Airport during the current novel coronavirus pandemic.

Can I fly internationally?

Nonessential international travel will be difficult, as not all international borders have reopened. The State Department is still advising citizens not to travel internationally and there is still a Global Level 4 Health Advisory in place. Additionally, many nations also have their own restrictions in place, including a mandatory 14-day self-quarantine upon arrival. Once you return to the U.S., you will also have to follow re-entry rules. A map of international restrictions can be found here.

How will I check-in?

While the process depends on your airline, Sea-Tac is encouraging people to check-in prior to arriving to reduce contact and lines. Airlines will have plastic protective barriers at check-in counters to ensure safety.

How will I go through security? What documents will I need?

Expect longer, spaced out lines through TSA security checkpoints to ensure social distancing between passengers. You will still need to present a driver's license or state-issued identification card, and may be asked to remove any mask or face covering at this time. If your license or ID expired on or after March 1, 2020, you may still use it as acceptable identification at the checkpoint. REAL ID enforcement has been postponed for a year due to the pandemic, so a standard ID will be accepted until September 2021.

Will I be able to use TSA PreCheck or CLEAR?

TSA PreCheck is still accepted, but all qualified passengers will be required to process through Checkpoint 4 only. CLEAR members can use Checkpoint 2, 3 and 4.

Will I have to wear a mask?

All passengers, visitors and airport staff are required to wear a mask or face covering starting May 18, following a new public health directive from King County that urges residents to wear masks in public places to curb the spread of the virus. Children under two years of age will not be required to follow the rule, and there are exemptions for those with physical disabilities.

While going through TSA Security Checkpoints, passengers may be asked to remove face masks and coverings to verify identify. Passengers are allowed to remove masks to eat and perform hygiene activities as long as they can maintain a six-foot distance from others.

Individual airline rules for wearing a mask during the flight may differ, but major carries such as JetBlue, Delta, United, American, Southwest and Alaska have implemented such policies.

Will my temperature be screened?

No, your temperature will not be screened by TSA. While temperature screening may be in the near future for many international airports, the technology is currently not in place at Sea-Tac.

"At this time the FAA informed us that public health screening is generally not considered proper use of airport revenue for a federally obligated airport like SEA," wrote the airport.

But that may change starting in June, as the airport also stated: "By June 9 we will provide the Port of Seattle Commission with a plan to implement temperature checks for departing domestic and arriving international passengers."

However, that does not stop individual airlines from screening temperatures before boarding, although many do not have the capacity to currently do so. Frontier Airlines stated that it will begin touchless temperature checks starting June 1, and any passenger who exceeds 100.4 degrees Fahrenheit can be denied boarding.

Will stores and restaurants be open?

The airport states that 66% of airport dining and retail tenants are temporarily closed due to the pandemic, but some are still operating with limited hours.

Restaurants still open can only offer grab-and-go and to-go orders, and passengers will not be allowed to sit in dining areas or at the bars. Additionally, the Children's Play Area near the A Gates and Club at all SEA lounges are temporarily closed.

What will my flight be like?

First class passengers may be used to boarding first, but in this new age of flying, they may be the last to get on the plane. To encourage social distancing, many airlines have opted for back-to-front boarding to reduce contact between passengers. Depending on airline and flight capacity, many middle seats may be blocked off or empty.

While services vary depending on airline, expect in-flight services to be minimal to reduce contact between passengers and flight attendants. Food and beverage services may be suspended or reduced.

If I am entering Seattle from another country, what will the Customs screening process be like?

Arrival protocols if you are entering from another country have changed following U.S. Customs and Border Protection and Centers for Disease Control and Prevention guidelines. Before arrival, you will be asked to complete a self-reported health screening questionnaire on the plane.

Upon landing, a CBP officer will perform a destination analysis with the passenger to review travel history. Depending on origin of travel and observation of any symptoms, individuals needing an enhanced health screening will be identified at this step.