Seattle to Tbilisi BFI, SEA → TBS
Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS)
The cheapest return found recently is $1,099 with Lufthansa, 11 Dec – 8 Jan 2027, found today. The cheapest one-way found recently is $660 with Turkish Airlines, 19 Nov, found 4 days ago.
Return
The cheapest return fare on each of 4 departure dates is usually $1,065 to $1,550.
Cheapest return found recently
$1,099
11 Dec – 8 Jan 2027 · Lufthansa
Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS)
Leaves 2:50 p.m. · Return leaves 6:15 a.m. · 45 h 5 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,099 11 Dec – 8 Jan 2027found todaySee prices for these dates
$962 4 Nov – 30 Novfound 4 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $761 to $962.
At $1,099, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 4 Nov to 19 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 28-night return fares leaving within 3 days of 11 Dec to compare.
Every date we hold
5 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Nov – 30 Nov | $962 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 11 Dec – 8 Jan 2027 | $1,099 | Lufthansa | Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 18 Dec – 10 Jan 2027 | $1,519 | United Airlines | Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS) | out 2 stops, back 1 stop | found today | See prices for these dates |
| 19 Dec – 9 Jan 2027 | $1,643 | United Airlines | Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS) | out 2 stops, back 2 stops | found today | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $962.
Airlines on the cheapest dates: United Airlines, Turkish Airlines, Lufthansa.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$660
19 Nov · Turkish Airlines
Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS)
Leaves 7:05 p.m. · 22 h 35 min trip
1 stop
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$660 19 Novfound 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 16 days, 24 Sept to 16 Oct, the cheapest one-way we saw each day was $394 to $1,126.
16 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 19 Nov to compare.
Every date we hold
2 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov | $660 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Tbilisi International Airport (TBS) | 1 stop | found 4 days ago | Open this trip |
Airlines on the cheapest dates: Turkish Airlines.
Premium cabin fares from Seattle to Tbilisi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 11 Dec – 8 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 19 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Tbilisi?
Return
Fares 90 to 179 days before departure were typically 18% lower than 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $943 | $943 | +23% | 8 |
| 60–89 days | $1,563 | $1,563 | +103% | 7 |
| 90–179 days | $770 | $761 | Cheapest seen | 24 |
| 180+ days | $1,100 | $1,100 | +43% | 7 |
One-way
Not enough history yet: in 16 days of one-way prices, 24 Sept to 16 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Everett → Tbilisi
34 km from Seattle
$1,948
$849 more than flying from Seattle
11 Dec – 8 Jan 2027 · PAE → TBS · out 2 stops, back 1 stop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Everett → Tbilisi
34 km from Seattle
$1,052
$392 more than flying from Seattle
19 Nov · PAE → TBS · 2 stops
found 4 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 11 Dec – 8 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work