A large, rugged rock formation with sparse vegetation on a hill.

Cheap Flights to Hermiston

View ฿7,145 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines to Hermiston

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Cheap round-trip flights to Hermiston

Prices were available within the past 7 days and start at ฿7,145 for one-way flights and ฿14,285 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
American Airlines
United

Frequently asked questions

What is the name of Hermiston's airport?
Hermiston has one main airport, Tri-Cities Airport (PSC).
How far is Tri-Cities Airport from central Hermiston?
Tri-Cities Airport is 48 kilometres from downtown Hermiston, so prepare yourself for a decent commute into the city centre.
What airport is best to fly into Hermiston?
A flight to Hermiston means hitting the tarmac at Tri-Cities Airport (PSC). Get off the plane, collect your luggage and you'll be 48 kilometres from the downtown streets.
How many airlines fly to Hermiston?
Hermiston is serviced by 5 air carriers from at least 10 airports across the globe.
Which airlines fly to Hermiston?
Alaska Airlines and Delta fly frequently into Hermiston. Catching an Alaska Airlines flight from Seattle is one of the most preferred options to get there.
How many nonstop flights are there to Hermiston?
Flying to a new place is much easier when there aren't any lengthy stopovers. If you're making your way to Hermiston, the good news is that there are around 128 nonstop flights every week.
Where are the most popular flights to Hermiston departing from?
A large number of flights to Hermiston depart from Seattle, Salt Lake City and Phoenix airports.
How long is the flight to Hermiston Airport?
If it's Seattle you're departing, you'll be airborne for around 1 hour and 1 minute before you arrive in Hermiston. Runway to runway from Salt Lake City takes about 1 hour and 52 minutes and from Phoenix, the flight time is 2 hours and 57 minutes.
How to book the cheapest flight to Hermiston?
If you want to save some cash on your Hermiston holiday, listen up! As every experienced jet-setter will tell you, avoid booking at the last minute. Fares are often highest close to the departure date. Don't stop there, though. Do some research and find out if there is more than one airport at your destination. Ticket prices often differ depending on which airport you go for. Be sure to compare prices across air carriers as well. And finally, remember that the early bird catches the worm. Familiarise yourself with airfare costs and have your credit card ready to reserve your seat as soon as you see an unbeatable bargain. The sweetest deals never last long.
Do you have any tips for my flight to Hermiston?
Depending on where you're coming from, your flight to Hermiston could be a breeze or it could go on forever. Below are some useful tips that will help you start your next unforgettable escape on the right foot. What to pack in your hand luggage:
  • It's simple — first, pack your passport, travel docs, credit cards and vital medications. Next, you'll want some extra in-flight entertainment to while away the hours. A thrilling book and a laptop filled with your favourite shows are some wonderful options. If you intend to take a short snooze, a neck pillow and a pair of earplugs will also come in handy. Finally, squeeze in a few toiletry items so you'll arrive at your destination feeling fresh and raring to go.
Do not pack the following items in your hand luggage:
  • Check carefully that you don't have sharp or pointed objects hiding in the bottom of your hand luggage. Other prohibited items include explosive or flammable products, such as fuel and matches, and liquids and gels in containers with a volume of more than 3.4 ounces (100 millilitres).
What to wear on a flight:
  • The aisles of an aircraft aren't the place for a fashion parade. Layer up with comfy clothing and opt for shoes that are enclosed, flat and easy to pull on and off.
  • Deep vein thrombosis (DVT) is a potential risk on long-haul flights. It's the result of blood clots forming due to inactivity and poor circulation, so do some gentle foot and leg exercises in your seat and consider wearing compression tights or socks.
How to get through airport security fast when flying to Hermiston?
A little pre-planning before you arrive at the airport will make your trip to Hermiston a pleasure. Here are some useful tips and tricks for a speedy journey through security:
  • Be sure to keep your boarding pass and ID at hand. They're the first items you'll be asked for by security.
  • Next up, both you and your carry-on bag will be X-rayed. To make the process quick and painless, take off anything that is likely to trigger the alarm. Items like your jacket, belt and earphones will be required to go through the machine.
  • For just a few minutes, you'll need to unplug from the digital world. Your laptop, phone and any other electronic devices will also need to be sent through the scanner.
  • Any gels or liquids, such as hair oil or hand cream, that you want to take on board must be no greater than 3.4 ounces (100 millilitres). They must also all fit inside a quart-size (one litre), clear zip-close bag.
  • There's a possibility that you'll be required to remove your shoes for scanning, so wearing slip-on sneakers is always a good idea.
  • Airlines won't allow any sharp or pointed objects in the cabin. If you must bring these kinds of items, pack them in your checked luggage.

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Flights to Hermiston

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Expedia is the largest online travel agency which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Hermiston for that period and let you choose your preferred time and airline.

Travel information

Destination airport
Tri-Cities
Destination airport IATA code
PSC
Destination city name
Pasco
Return price
฿14,285
*Available to Expedia members.