$33 Cheap flights from Union, WA

View $33 flight on Mon, Dec 14, 2026

Popular airlines from Union

Today's featured flight deals from Union

Expedia compares millions of flights to find the best value deals for where you want to go.

Nonstop

Carry-on included

Lower price than typical

Show more deals

Cheapest flights from Union

Prices were available within the past 7 days and start at $33 for one-way flights and $98 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Select Frontier Airlines flight, departing Mon, Dec 7 from Seattle to Los Angeles, returning Thu, Dec 10, priced at $98 Just found

Mon, Dec 7 - Thu, Dec 10 · SEA · LAX · Roundtrip

Select Frontier Airlines flight, departing Sun, Dec 6 from Seattle to Las Vegas, returning Tue, Dec 8, priced at $131 Found 4 hours ago

Sun, Dec 6 - Tue, Dec 8 · SEA · Roundtrip

Select Frontier Airlines flight, departing Mon, Dec 7 from Seattle to Phoenix, returning Fri, Dec 11, priced at $141 Found 12 hours ago

Mon, Dec 7 - Fri, Dec 11 · SEA · PHX · Roundtrip

Select Bargain Flight flight, departing Tue, Jan 12 from Seattle to Long Beach, returning Tue, Jan 12, priced at $163 Found 8 hours ago

Tue, Jan 12 - Tue, Jan 12 · SEA · LGB · Roundtrip

Select Bargain Flight flight, departing Tue, Dec 8 from Seattle to Orange County, returning Mon, Dec 14, priced at $166 Found 7 hours ago

Tue, Dec 8 - Mon, Dec 14 · SEA · SNA · Roundtrip

Select Delta flight, departing Sat, Dec 5 from Seattle to Spokane, returning Tue, Dec 15, priced at $167 Just found

Sat, Dec 5 - Tue, Dec 15 · SEA · GEG · Roundtrip

Select Delta flight, departing Sat, Dec 12 from Seattle to Portland, returning Tue, Dec 15, priced at $167 Found 3 hours ago

Sat, Dec 12 - Tue, Dec 15 · SEA · PDX · Roundtrip

Select Delta flight, departing Sat, Dec 5 from Seattle to Ontario, returning Tue, Dec 15, priced at $167 Just found

Sat, Dec 5 - Tue, Dec 15 · SEA · ONT · Roundtrip

Select Alaska Airlines flight, departing Wed, Dec 16 from Seattle to Los Angeles, returning Wed, Dec 16, priced at $172 Found 3 days ago

Wed, Dec 16 - Wed, Dec 16 · PAE · LAX · Roundtrip

Select Air Excursions LLC flight, departing Tue, Jan 19 from Seattle to Portland, returning Thu, Jan 21, priced at $238 Just found

Tue, Jan 19 - Thu, Jan 21 · BFI · PDX · Roundtrip

How to Find Cheap Flights from Union, WA

How much is a flight from Union?

This week, flights from Union are available between $98 – $238.

How to find cheap flights from Union?

Expedia makes it easy to compare cheap flights from Union to many destinations. Check out excellent deals on domestic and international flights from Union. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options.

How can I get the best deal on flights from Union?

On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from Union is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from Union may be more expensive. Airlines with strict bag policies or fees can also impact your costs.

What is the best airline to fly from Union?

At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Union with: Frontier Airlines, Alaska Airlines, Southwest Airlines, Borajet, Air Excursions LLC, Delta.

What is the best month to fly from Union?

One of the cheapest times to fly from Union airport(s) is December, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand.

Are there any last-minute flights from Union?

Expedia is the place to find last-minute flights from Union, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks.

Why book your ticket with Expedia?

Booking flights from Union with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from Union. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more.

Can I change/cancel my flight?

Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our customer service portal. We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees.

Travel information

Origin city nameSeattle
Origin airportSeattle-Tacoma International Airport
Origin airport IATA codeSEA
Airlines servingAlaska Airlines, Delta, United, American Airlines, Southwest Airlines, Air Canada, Frontier Airlines, Korean Air, Turkish Airlines, Cathay Pacific, Lufthansa, Japan Airlines, British Airways, EVA Airways, All Nippon Airways, Emirates, Aeromexico, Singapore Airlines, Volaris, Starlux Airlines, Qatar Airways, Philippine Airlines, KLM, Swiss International Air Lines, Finnair, Icelandair, Sun Country Airlines, Air France, Iberia, Brussels Airlines, China Airlines, Virgin Atlantic, Aer Lingus, WestJet, SAS, Austrian Airlines
Popular airlineAlaska Airlines
Roundtrip price$371

Explore a world of travel with Expedia

*Available to One Key members.