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Latest Flight Deals from Seattle to Harlingen
Book one-way or return flights from Seattle to Harlingen from as little as NZD 301. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- SEA23:599h 7m1 stopHRL11:06Sun, May 12|Seattle - Harlingen|United AirlinesNZD 301NZD 87966% OFF66% OFFNZD 879NZD 301
- SEA07:156h 40m1 stopHRL15:55Tue, Jul 2|Seattle - Harlingen|United AirlinesNZD 335NZD 87962% OFF62% OFFNZD 879NZD 335
- SEA23:509h 5m1 stopHRL10:55Mon, Jun 3|Seattle - Harlingen|United AirlinesNZD 354NZD 87960% OFF60% OFFNZD 879NZD 354
- SEA23:509h 5m1 stopHRL10:55Mon, Jun 17|Seattle - Harlingen|United AirlinesNZD 368NZD 368
- SEA23:5914h 1m1 stopHRL16:00Sun, May 12|Seattle - Harlingen|Alaska AirlinesNZD 427NZD 427
- SEA11:018h1 stopHRL21:01Thu, Jun 6|Seattle - Harlingen|United AirlinesNZD 448NZD 448
- SEA23:5919h 2m1 stopHRL21:01Mon, Jun 3|Seattle - Harlingen|Alaska AirlinesNZD 460NZD 460
- SEA23:5913h 58m1 stopHRL15:57Mon, Jun 17|Seattle - Harlingen|Alaska AirlinesNZD 469NZD 469
- SEA05:008h 55m1 stopHRL15:55Wed, Jul 3|Seattle - Harlingen|United AirlinesNZD 494NZD 494
- SEA23:5918h 57m1 stopHRL20:56Thu, Jun 6|Seattle - Harlingen|Alaska AirlinesNZD 553NZD 553
- SEA13:003h 5mDirectHRL14:00Sat, May 11|Seattle - Harlingen|United AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Searching for the best last minute flight from Seattle to Harlingen? Find one-way or return flights that are affordable and fit your itinerary.
Trip.com monitors the ticket fares of flights from Seattle to Harlingen. Stay updated on price trends and snag the best deals for your upcoming trip.
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Seattle to Harlingen
View airlines operating flights from Seattle to Harlingen. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From NZD 276
United Airlines
From NZD 301
Alaska Airlines
From NZD 427
American Airlines
From NZD 632
Delta Air Lines
From NZD 1,216
ANA airlines
Find more flights and airlines
Alternative Routes from Seattle to Harlingen
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Harlingen.
- CheapestSEA22:3015h 30m2 transferHRL16:00Seattle-Tacoma International Airport - Valley International AirportSun, May 12Frontier AirlinesNZD 276
- SEA22:3015h 30m2 transferHRL16:00Seattle-Tacoma International Airport - Valley International AirportSun, May 12Frontier AirlinesNZD 276Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Seattle to Harlingen
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Harlingen. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
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Flight Information from Seattle to Harlingen
Cheapest nonstop flight price | NZD 301 |
---|---|
Off-season for travel | April |
Peak season for travel | December |
Flight distance | 3,194.16km |
Popular airline | Alaska Airlines |
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