Alaska Airlines has round-trip flights from Dallas (DFW/DAL) to Portland or Seattle (PDX, SEA) for $157-$177, NONSTOP. Flights December to March. Departures on Tuesday, Wednesday, and Saturday. Extended Weekends available. Origin/Destination reversible.

Note: Carry-on bag is allowed for free on Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

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Read More Nonstop Flights: Dallas to/from Portland or Seattle $157-$177 r/t – Alaska Airlines

Airfare Deals Alaska Airlines Bookable Deals Portland Seattle

Spirit has round-trip flights from Dallas (DFW) to Seattle (SEA) for $113, NONSTOP. Flights September to November. A few weekends available in September. Origin/Destination reversible.

Note: Spirit fares do not include a free carry-on bag. Only a small personal item, like a Jansport City Scout backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.

Note: Spirit seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines.

Read More Nonstop Flights: Dallas to/from Seattle $113 r/t – Spirit

Airfare Deals Bookable Deals Seattle Spirit

American Airlines has round-trip flights from Dallas (DFW) to Seattle (SEA) for $167-$177, NONSTOP. Flights September to February. Departures on Tuesday, Wednesday, and Saturday. Extended Weekends available. Origin/Destination reversible.

Note: Carry-on bag is allowed for free on American Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Read More Nonstop Flights: Dallas to/from Seattle $167-$177 r/t – American

Airfare Deals American Airlines Bookable Deals Oneworld Seattle

Alaska Airlines has round-trip flights from Dallas (DAL) to Seattle (SEA) for $166, NONSTOP.  Flights in September. Departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible.

Note: Carry-on bag is allowed for free on Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Read More Nonstop Flights: Dallas to/from Seattle $166 r/t – Alaska Airlines

Airfare Deals Alaska Airlines American Airlines Bookable Deals Oneworld Seattle Spirit

[06/07/2019 @ 1:38 PM] Still available.

American Airlines has round-trip flights from Dallas (DFW) to Seattle (SEA) for $179, NONSTOP. Flights in May, August, September, October, and November. Weekends available. Origin/Destination reversible.

Note: Unlike the Spirit deal from earlier today; American allows for a free carry-on bag, weekend availability, fewer fees, and a larger available date range.

Note: You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Read More Nonstop Flights: Dallas to/from Seattle $179 r/t – American

Airfare Deals American Airlines Bookable Deals Oneworld Seattle Spirit

Spirit has round-trip flights from Dallas (DFW) to Seattle (SEA) for $123-$132, NONSTOP. Flights May to June. Departures scattered on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.

Note: Spirit fares do not include a free carry-on bag. Only a small personal item, like a Jansport City Scout backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.

Read More Nonstop Flights: Dallas to/from Seattle $123-$132 r/t – Spirit

Airfare Deals Seattle Spirit

Alaska has round-trip flights from Dallas (DAL) to Seattle (SEA) for $177, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible.

Note: Carry-on bag is allowed for free on Alaska. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Note: Spirit has flights for about -$21 cheaper, but those aren’t going to be worth it if you need to bring a bag.

Read More Nonstop Flights: Dallas to/from Seattle $177 r/t – Alaska

Airfare Deals Alaska Airlines Seattle

Airfare Deals Alaska Airlines Portland San Francisco Seattle

Alaska Airlines has round-trip flights from Dallas (DAL) to San Francisco, Portland, Seattle, San Jose, or San Diego (SFO/PDX/SEA/SJC/SAN) for $157, NONSTOP. $79 each-way. Flights from January to February on Tuesdays, Wednesdays, and Saturdays. Origin/Destination reversible.

Note: Some of these may already be matched by AA or Southwest.

Note: Carry-on bag is allowed for free, but seat selection has a fee. Upgrades into “Regular Economy” are available for +$30 each-way.

Note: “DAL” not “DFW”.

Read More Nonstop Flights: Dallas to/from San Francisco / Portland / Seattle / San Jose / San Diego $157 r/t – Alaska Airlines

Airfare Deals Alaska Airlines Portland San Diego San Francisco San Jose (California) Seattle